JPWO2020090874A1 - Emulsified cosmetics and their manufacturing methods - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an emulsified cosmetic which forms a coating film having excellent water resistance and abrasion resistance and further has formulation stability and good usability. An emulsified cosmetic containing (a) an oil phase containing a water-soluble cationic polymer and (b) an aqueous phase containing a water-soluble anionic polymer. [Selection diagram] None

Description

The present invention relates to an emulsified cosmetic, and more particularly to an emulsified cosmetic containing an oil phase containing a water-soluble cationic polymer and an aqueous phase containing a water-soluble anionic polymer, and a method for producing the same.

In recent years, the demand for functional cosmetics has been increasing, and various functional cosmetics have been developed according to the purpose of use. For example, hair that swells when the humidity is high is provided with a function to prevent it during the day, and UVA (long-wavelength ultraviolet rays with a wavelength of 320 to 400 nm) and UVB are used for foundations and sunscreens. Many cosmetics, such as cosmetics having a high UV protection ability that protects the skin from (medium-wavelength UV rays having a wavelength of 290 to 320 nm), embody functionality by forming a coating film on the skin and hair.

However, it has been known that the coating film formed when the cosmetic is applied falls off with the passage of time and the functionality deteriorates. Especially when receiving physical friction, sweating, bathing in a pool or the sea, etc., the coating film fell off more significantly, so the development of cosmetics that do not easily deteriorate in functionality Was required.

Therefore, in order to solidify the oily component containing the hydrophobized fine particle zinc oxide and the oil-soluble ultraviolet absorber as a coating film, a technique for imparting high water resistance by selecting silicic anhydride as the gelling agent ( For example, Japanese Patent Application Laid-Open No. 2018-76313) or a fine metal oxide whose surface is coated with a specific compound is dispersed in an oil phase together with a specific partially crosslinked organopolysiloxane polymer and polyhydroxystearic acid (acrylic). A technique for imparting water resistance by forming a flexible and uniform cosmetic film by combining with a sodium acid / acryloyldimethyltaurine sodium) copolymer to form an oil-in-water emulsifying cosmetic (for example, JP-A-2017-137300). (No.), a stable oil-in-water emulsified composition can be obtained by using a polyion complex formed from a specific combination of a cationic polymer and an anionic polymer as an emulsifier, and various oil components can be blended. A technique has been developed in which the obtained oil-in-water emulsion exhibits excellent water resistance (for example, Japanese Patent Application Laid-Open No. 2011-32249).

However, the above-mentioned techniques have problems such as poor feel as a cosmetic and insufficient water resistance and abrasion resistance.

Therefore, it is an object of the present invention to provide an emulsified cosmetic which forms a coating film having excellent water resistance and abrasion resistance and further has formulation stability and good usability.

In view of this situation, the present inventors have attempted to blend the cationic polymer and the anionic polymer in the same phase. Then, the present inventors have found that when a cationic polymer and an anionic polymer are blended in the same phase, aggregation occurs and the pharmaceutical product cannot be formed. As a result of diligent studies, by incorporating the water-soluble cationic polymer in the oil phase and the water-soluble anionic polymer in the aqueous phase, the stability as a preparation is obtained, and the water-soluble cationic polymer and the water-soluble anion are further applied at the time of application. We have found that the water resistance and abrasion resistance of the coating film are improved and the coating film has a good usability by aggregating the sex polymers to form a strong coating film, and have completed the present invention.

That is, the present invention
An emulsified cosmetic containing (1) (a) an oil phase containing a water-soluble cationic polymer and (b) an aqueous phase containing a water-soluble anionic polymer.

(2) The emulsified cosmetic according to (1), which contains at least one of (c) a metal oxide or a plate-like powder.

(3) The emulsified cosmetic according to (1) or (2), which contains (d) inulin stearate.

(4) The emulsified cosmetic according to any one of (1) to (3), wherein the content mass ratio (a) / (b) is 0.05 to 20.

(5) (a) The water-soluble cationic polymer is a dimethyldiallyl ammonium chloride / acrylamide copolymer, O- [2-hydroxy-3- (trimethylammonio) propyl] hydroxyethyl cellulose chloride, and O- [2-] chloride. The emulsified cosmetic according to any one of (1) to (4), which is one or more selected from the group consisting of hydroxy-3- (trimethylammonio) propyl] guagam.

(6) (b) The water-soluble anionic polymer is one or 2 selected from the group consisting of a carboxyvinyl polymer, an acrylic acid / alkyl methacrylate copolymer, and a sodium acrylate / sodium acryloyldimethyltaurate copolymer. The emulsified cosmetic according to any one of (1) to (5), which is more than a seed.

(7) The emulsified cosmetic according to any one of (1) to (6), which is an oil-in-water emulsified cosmetic.

(8) The emulsified cosmetic according to any one of (1) to (7), which comprises (e) dimethicodiethylbenzalmalonate.

(9) A method for producing an emulsified cosmetic containing (a) an oil phase containing a water-soluble cationic polymer and (b) an aqueous phase containing a water-soluble anionic polymer.

Hereinafter, preferred embodiments of the present invention will be described in detail. However, the present invention is not limited to the following preferred embodiments, and can be freely changed within the scope of the present invention. In addition, in this specification, "~" means the range including the numerical values before and after it. Unless otherwise specified, operations and physical properties are measured under the conditions of room temperature (20 to 25 ° C.) / relative humidity of 40 to 50% RH.

The emulsified cosmetic of the present invention contains a water-soluble cationic polymer in the oil phase and a water-soluble anionic polymer in the aqueous phase, so that it has high water resistance, is also resistant to friction (high friction resistance), and has a feeling of use. It is possible to provide an emulsified cosmetic having excellent (for example, no sticky feeling, no slimy feeling, and a fresh feel) and excellent stability.

(Emulsified cosmetics)
The emulsified cosmetic in the present invention is an emulsification in which either one of the oil phase containing the component (a) water-soluble cationic polymer and the aqueous phase containing the component (b) water-soluble anionic polymer is present as emulsified droplets. It is a cosmetic and may contain other ingredients as long as the effects of the present invention are not impaired.

The component (a) water-soluble cationic polymer used in the present invention (hereinafter, also simply referred to as component (a)) is a polymer having a cationic group in the molecule. Ingredient (a) The water-soluble cationic polymer is not particularly limited as long as it is usually used for cosmetics, but it has a feel and water resistance when a coating film is formed with the water-soluble anionic polymer. From the viewpoint of superiority, those containing an amino group or an ammonium group bonded to a polymer chain or containing dimethyldiallylammonium halide as a constituent unit are preferable.

The component (a) is not particularly limited, but for example, vinylpyrrolidone / N, N-dimethylaminoethyl methacrylate copolymer diethylsulfate, dimethyldialylammonium chloride / acrylamide copolymer, acrylamide / acrylic acid / chloride. Dimethyldiallyl ammonium copolymer, dimethyldiallyl ammonium chloride / acrylic acid copolymer, polydimethylmethylene piperidinium chloride, O- [2-hydroxy-3- (trimethylammonio) propyl] hydroxyethyl cellulose, O- [ 2-Hydroxy-3- (trimethylammonio) propyl] guar gum, vinylpyrrolidone N, N-dimethylaminoethyl methacrylate copolymer diethyl sulfate, O- [2-hydroxy-3- (trimethylammonio) propyl chloride Gua gum, 2-methacryloyloxyethyl phosphorylcholine 2-hydroxy-3-methacryloyloxypropyltrimethylammonium chloride copolymer, O- (2-hydroxy-3- (trimethylammonio) propyl) locust bean gum, hydroxypropyltrimonium chloride Examples thereof include starch, vinylpyrrolidone / N methacrylate, N-dimethylaminoethyl / stearyl acrylate / tripropylene glycol diacrylate, hydroxypropyltrimonium hyaluronate, etc., and one or more of these may be used. can. Among these, from the viewpoint of water resistance and abrasion resistance of the coating film to be produced, dimethyldiallylammonium chloride / acrylamide copolymer, O- [2-hydroxy-3- (trimethylammonio) propyl] hydroxyethyl cellulose chloride, chloride O- [2-Hydroxy-3- (trimethylammonio) propyl] guar gum is particularly preferable, and dimethyldiallyl ammonium chloride / acrylamide copolymer is most preferable.

Commercially available examples of the component (a) in the present invention include, for example, Leoguard GP (manufactured by Lion), which is a polymer of polyquaternium-10 as O- [2-hydroxy-3- (trimethylammonio) propyl] hydroxyethyl cellulose chloride. Katinal HC-100 (manufactured by Toho Kagaku Kogyo Co., Ltd.), Lipoflow MN (manufactured by Lion Co., Ltd.), MERQUAT 550PR, MERQUAT 740 POLYMER (above, Japan Louvre), which are aqueous solutions of polyquaternium-7 as a dimethyldiallylammonium chloride / acrylamide copolymer. MERQUAT3331PR (manufactured by Lubrizol Japan), which is an aqueous solution of polyquatnium-39 as an acrylamide / acrylic acid / dimethyldialylammonium chloride copolymer, polyquaternium-as a dimethyldialylammonium chloride / acrylic acid copolymer. 22 aqueous solutions, MERQUAT295 Polymer (manufactured by Nippon Lubrizol), O- [2-hydroxy-3- (trimethylammonio) propyl] guar gum, JAGUAR C-14S (C) (manufactured by SOLVAY), hydroxypropyl chloride. Examples thereof include SENSOMER CI50 (manufactured by Lubrizol Japan, Inc.), which is an aqueous solution of trimonium starch, and Hyalover P (manufactured by CUPE), which is hydroxypropyltrimonium hyaluronate.

The content of the component (a) in the present invention is not particularly limited, but 0.001 to 3% by mass (hereinafter simply abbreviated as "%") in the emulsified cosmetic can be blended, preferably 0.001 to 1%. , 0.01 to 1% is more preferable, 0.01 to 0.5% is even more preferable, and 0.1 to 0.3% is particularly preferable. Within this range, stability is excellent, and water resistance and abrasion resistance can be imparted while maintaining a good usability.

By dissolving and dispersing the component (a) in the oil phase in the manufacturing process, the component (a) can be contained in the oil phase.

The component (b) water-soluble anionic polymer used in the present invention (hereinafter, also referred to as component (b)) is a polymer having an anionic group in the molecule. Ingredient (b) The water-soluble anionic polymer is not particularly limited as long as it is usually used for cosmetics, but the feel, water resistance, and abrasion resistance when a coating film is formed with the water-soluble cationic polymer is formed. For example, carboxyvinyl polymer, acrylic acid / alkyl methacrylate copolymer, sodium acrylate / sodium acryloyldimethyltaurate copolymer, alkyl acrylate / alkyl methacrylate / polyoxyethylene stearyl methacrylate ether ( 20EO) Acrylic acid-based water-soluble polymers such as copolymers, anionic polysaccharides, anionic polyamino acids and the like can be mentioned, and one or more of these can be used. From the viewpoint of water resistance and abrasion resistance of the coating film produced among these, the component (b) water-soluble anionic polymer is a carboxyvinyl polymer, an acrylic acid / alkyl methacrylate copolymer, and a sodium acrylate / acryloyldimethyl acrylate. It is preferably one or more selected from the group consisting of sodium taurate copolymers, preferably acrylic acid-based water-soluble polymers, and acrylic acid / alkyl methacrylate copolymers (preferably acrylic acid / acrylic acid). Alkyl (C10-C30) crosspolymer), sodium acrylate / sodium acryloyldimethyltaurate copolymer is more preferred. Further, from the viewpoint of excellent water resistance and abrasion resistance, it is particularly preferable to use the acrylic acid / alkyl methacrylate copolymer and the sodium acrylate / sodium acryloyldimethyltaurate copolymer in combination. When the acrylic acid / methacrylic acid alkyl copolymer and the sodium acrylic acid / sodium acryloyldimethyltaurate copolymer are used in combination, the content mass ratio is excellent in water resistance and abrasion resistance, for example, acrylic acid / methacrylic acid. Alkyl acid acid copolymer: Sodium acrylate / sodium acryloyldimethyltaurate copolymer = 1: 0.1 to 50, preferably 1: 5 to 40.

Examples of commercially available products of the component (b) include CARBOPOL 940, 941, 980, 981 (Carbomer; manufactured by Lubrizol Advanced Polymers Inc.), PEMULEN TR-1, TR-2, CARBOPOL POLYMER, 1342 POLYMER, 13 / Alkyl acrylate (C10-C30)) Crosspolymer; Lubrizol Advanced Materials Inc. , SIMULGEL EG (sodium acrylate / sodium acryloyldimethyltaurate copolymer; manufactured by SEPPIC), ACULYN 22 (alkyl acrylate / steareth methacrylate-20 copolymer, manufactured by ROHM GMBH) and the like.

The content of the component (b) in the present invention is not particularly limited, but is preferably 0.001 to 2%, more preferably 0.001 to 1%, and 0.01 to 0.8% in the emulsified cosmetic. It is more preferably present, and 0.01 to 0.5% is particularly preferable. Within this range, stability is excellent, and water resistance and abrasion resistance can be imparted while maintaining a good usability.

By dissolving and dispersing the component (b) in the aqueous phase in the manufacturing process, the component (b) can be contained in the aqueous phase.

The content mass ratio (a) / (b) of the component (a) and the component (b) in the present invention is not particularly limited, but is preferably 0.05 to 20, and preferably 0.1 to 10. More preferred. Within this range, the stability of the pharmaceutical product and the water resistance and abrasion resistance of the formed coating film become better.

In the present invention, it is preferable to further contain the component (c) metal oxide and / or plate-like powder (hereinafter, also simply referred to as the component (c)). By blending the component (c) metal oxide and / or plate-like powder, water resistance, abrasion resistance, and formulation stability are further improved. The component (c) can be blended in both the aqueous phase and the oil phase, but it is particularly preferable to blend it in the oil phase. This is because, by blending in the oil layer, the component (a) can be stably blended in the oil phase, and the formulation stability is further improved.

The component (c) metal oxide used in the present invention has a spherical, plate-like, needle-like shape, a fumes-like particle size, a pigment-grade particle size, and a porous shape as long as it is a metal oxide usually used for cosmetics. The quality and non-porous particle structure are not particularly limited, and any of them can be used. Examples of the metal oxide of the component (c) include zinc oxide, titanium oxide, cerium oxide, zirconium oxide, iron oxide and the like, and one or more of these can be used in combination, and further compounded. However, from the viewpoint of improving water resistance and abrasion resistance, zinc oxide or titanium oxide is preferable, and zinc oxide is particularly preferable. The particle size of the metal oxide is not particularly limited, but from the viewpoint of stability of the component (a) in the oil phase, an average primary particle size in the range of 1 to 100 nm is preferable. In the present invention, the average particle size is the average value (average of 50% of integrated volume) of the width and length of the powder measured in the dispersed state in water using a laser diffraction / scattering type particle size distribution measuring device. Particle size value). Further, if necessary, a known method is used using a silicone compound, a fluorine compound, a metal soap, collagen, a hydrocarbon, a higher fatty acid, a lecithin, a higher alcohol, an ester, a wax, a wax, a surfactant, a trialkoxysilane, or the like. Surface treatment may be applied to the surface treatment, or a composite of these may be used.

The component (c) plate-like powder used in the present invention can be blended in both the aqueous phase and the oil phase, but it is particularly preferable to blend it in the oil phase. The plate-like powder usually used for cosmetics is not particularly limited, and is, for example, mica, sericite, boron nitride, synthetic phlogopite, synthetic sericite, aluminum silicate, magnesium silicate, barium sulfate, and silicate. Includes constitutional powders such as magnesium aluminum acid, talc silicate, silicic anhydride, plate kaolin, plate boron nitride, plate cellulose, mica titanium, bismuth oxychloride, etc., and one or more of these. Can be used in combination. Among these, sericite and boron nitride are preferably used, and more preferably sericite, from the viewpoint of emulsion stability when the component (a) is blended in the oil phase. The average particle size of the component (c) plate-like powder used in the present invention is not particularly limited, but it is preferably 1 to 100 μm, and more preferably 1 to 50 μm. The aspect ratio is preferably 5 to 500, more preferably 10 to 100. In the present invention, the average particle size is the average value (average of 50% of integrated volume) of the width and length of the powder measured in the dispersed state in water using a laser diffraction / scattering type particle size distribution measuring device. Particle size value). These plate-like powders include fluorine-based compounds, silicone-based compounds, metal soaps, lecithin, hydrogenated lecithin, collagen, hydrocarbons, higher fatty acids, higher alcohols, esters, waxes, waxes, surfactants, and trialkoxy. The surface treatment may be performed using one type or two or more types such as silane.

Examples of the silicone-based compound used for the surface treatment of the component (c) include chain silicones such as low polymerization degree dimethylpolysiloxane, high degree of polymerization degree dimethylpolysiloxane, methylhydrogenpolysiloxane, and methylphenylpolysiloxane, and silicone. Amino-modified silicones such as phosphate triester and amodimethicone, modified silicones such as alkyl-modified silicones and alkoxy-modified silicones, silicone resins such as trimethylsiloxysilicate and acrylate silicones, silicone rubbers, partially or fully cross-linked organopolysiloxanes. , Various silylating agents and the like.

The trialkoxyalkylsilane in the trialkoxyalkylsilane treatment is a compound in which three alkoxy groups and one alkyl group are bonded to a silicon atom, and the alkoxy group reacts with a hydroxyl group or the like on the powder surface to cause the powder surface. Is a compound that chemically coats. The alkoxy group in the trialkoxyalkylsilane is preferably methoxy, ethoxy, propoxy or the like having 1 to 3 carbon atoms. The alkyl group in the trialkoxyalkylsilane is preferably a hexyl group, an octyl group, a decyl group, an octadecyl group or the like, which are alkyl groups having 6 to 18 carbon atoms. Such trialkoxyalkylsilanes include, for example, trimethoxyhexylsilane, trimethoxyoctylsilane, trimethoxydecylsilane, trimethoxyoctadecylsilane, triethoxyhexylsilane, triethoxyoctylsilane (triethoxycaprylylsilane), and triethoxy. Examples thereof include decylsilane and triethoxyoctadecylsilane.

The surface treatment amount is preferably 0.5 to 30% by mass, more preferably 1 to 20% by mass with respect to the powder.

The component (c) used in the present invention can be used in combination with one or two of the metal oxide and the plate-like powder, but from the viewpoint of the emulsion stability of the component (a) in the oil phase, two It is preferable to use the seeds in combination, and it is more preferable to use the metal oxide and the plate-like powder in combination. When the metal oxide and the plate-like powder are used in combination, the mixing ratio of the two is not particularly limited, but for example, the metal oxide: the plate-like powder = 1: 0.1 to 10 (mass ratio). Is. Particularly preferred combinations are surface-treated zinc oxide and surface-treated sericite, surface-treated zinc oxide and surface-treated sericite. When using the two in combination, use a composite such as titanium dioxide-coated mica, titanium dioxide-coated synthetic phlogopite, titanium dioxide-coated bismuth oxychloride, iron oxide mica, titanium dioxide-coated glass powder, etc. May be good.

The content of the component (c) in the present invention is not particularly limited, but is preferably 1 to 30%, particularly preferably 5 to 20% in the emulsified cosmetic. Within this range, it is possible to provide a preparation having excellent water resistance, abrasion resistance, and stability.

In the present invention, it is preferable that the component (d) inulin fatty acid ester (hereinafter, also simply referred to as the component (d)) is further contained. By containing the inulin fatty acid ester, the adhesion to the skin is improved, so that water resistance, abrasion resistance, usability (particularly non-sliminess), and formulation stability are further improved. The component (d) can be blended in both the aqueous phase and the oil phase, but it is particularly preferable to blend the component (d) in the oil phase. When blended in an oil layer, the thickening action of the oil phase further improves water resistance, abrasion resistance, usability (particularly no sliminess), and formulation stability.

The component (d) inulin fatty acid ester used in the present invention is an ester compound of a linear or branched saturated or unsaturated fatty acid having 8 to 32 carbon atoms and inulin, and is contained in the oil phase. Inulin is not particularly limited as long as it is usually blended in cosmetics, but inulin has a structure consisting of a chain of β-1,2-linked fructose units and having sucrose-linked α-D-glucose at the reducing end. It is preferable that the fructose unit of flanoid fructose is about 2 to 60. Further, hydrolyzed inulin may be used. The component (d) is preferably inulin stearate. Examples of commercially available products include inulin stearate, Leopard ISK2 and Leopard ISL2 (both manufactured by Chiba Flour Milling Co., Ltd.).

The content of the component (d) in the present invention is not particularly limited, but is preferably 0.1 to 10%, particularly preferably 1 to 5% in the emulsified cosmetic. Within this range, the dispersibility of (a) is improved in the oil phase, and when a powder (for example, component (c)) is blended, the dispersibility of the powder is improved, and water resistance and abrasion resistance are improved. It is possible to provide a preparation having excellent properties and stability.

In the present invention, it is preferable that the component (e) dimethicodiethylbenzalmalonate is further contained. The component (e) dimethicodiethylbenzalmalonate used in the present invention has an INCI (INTERNATIONAL NOMENCLATTURE of COSMETIC INGREDINITS) name of Polysilicone-15, and about 7.5% of the dimethicone having a chain length of about 60 is about 7.5%. It is a silicone derivative substituted with two types of substituents, and while it has high UV protection ability itself, it is known that it improves the values of SPA and PA by synergistic effect with other UV protection agents (booster effect). Has been done. In the present invention, the component (e) is preferably contained in the oil phase and also functions as a component for improving the water resistance and abrasion resistance of the coating film, and contributes to the stability of the cosmetic. As a commercially available product, PARSOL SLX (manufactured by DSM Nutritional Products) can be exemplified.

The content of the component (e) in the present invention is not particularly limited, but is preferably 0.1 to 10%, particularly preferably 1 to 5% in the emulsified cosmetic. Within this range, not only a high UV protection effect can be obtained, but also the pharmaceutical stability becomes good, which is preferable.

In the emulsified cosmetic of the present invention, in addition to the above-mentioned components, components used in ordinary cosmetics, for example, oily components other than the component (e), ultraviolet absorbers, cationic surfactants, and nonionic surfactants. Agents, anionic surfactants, surfactants such as amphoteric surfactants, water, water-soluble polymers other than component (a) and component (b), aqueous components such as polyhydric alcohols and lower alcohols, antibacterial agents, Preservatives, pH adjusters, refreshing agents, powders other than the component (c), beauty ingredients such as vitamins and amino acids, fragrances and the like can be appropriately contained as long as the effects of the present invention are not impaired.

The emulsified lotion of the present invention can be implemented in various forms such as liquid, milky, creamy, solid, gel, and paste. Further, the cosmetic of the present invention is not particularly limited in its dosage form such as water-in-oil emulsification system and oil-in-water emulsification system, but from the viewpoint of fresh usability, oil-in-water emulsification is considered to have lower water resistance. An oil-in-water emulsification system is preferable because the mold is required to have improved water resistance. That is, a preferred embodiment of the present invention is an oil-in-water emulsified cosmetic. Skin care cosmetics such as milky lotion, cream, beauty liquid, lip balm, sunscreen, foundation, makeup base, make-up cosmetics such as cheeks, eye shadows, lipsticks, lip gloss, hair rinses, hair creams, hairdressers, etc. It can be carried out with various cosmetics such as cosmetics for scalp or hair.

Further, one form of the present invention is an emulsified sunscreen cosmetic. In addition, other forms of the present invention further include an ultraviolet absorber. By improving the water resistance and abrasion resistance of the cosmetic coating film, it becomes difficult for the ultraviolet absorber to come off due to sweat or water, and it is possible to make a sunscreen having a high ultraviolet protection ability. The ultraviolet absorber can be used without particular limitation as long as it is usually used for sunscreen cosmetics. Examples of the ultraviolet absorber include ethylhexyl methoxycinnamate, hexyl 2- [4- (diethylamino) -2-hydroxybenzoyl] benzoate, ethyl paraaminobenzoate, benzophenone-1, benzophenone-3, benzophenone-6, and benzophenone. -9,2,4,6-tris [4- (2-ethylhexyloxycarbonyl) anilino] -1,3,5-triazine, dioctylbutamidotriazone, 4-tert-butyl-4'-methoxy-dibenzoyl Methan, 2,4-bis {[4- (2-ethyl-hexyloxy) -2-hydroxy] -phenyl} -6- (4-methoxyphenyl)-(1,3,5) -triazine, 2,2' -Methylenebis [6- (2H-benzotriazole-2yl) -4- (1,1,3,3-tetramethylbutyl) phenol], polysilicone-15, etc. may be mentioned, and one or more of these may be used. Can be used. Among them, ethylhexyl methoxycinnamate, 2- [4- (diethylamino) -2-hydroxybenzoyl] benzoic acid hexyl ester, 4-tert-butyl-4'-methoxy-dibenzoylmethane, 2,4-bis {[4- ( 2-Ethyl-hexyloxy) -2-hydroxy] -phenyl} -6- (4-methoxyphenyl)-(1,3,5) -triazine, polysilicone-15 is preferable, ethylhexyl methoxycinnamate, 2- [4 -(Diethylamino) -2-hydroxybenzoyl] benzoic acid hexyl ester, 2,4-bis {[4- (2-ethyl-hexyloxy) -2-hydroxy] -phenyl} -6- (4-methoxyphenyl)-( 1,3,5) -Triazine is more preferable. The content of the ultraviolet absorber is, for example, 1 to 10% in the emulsified cosmetic.

Further, examples of the method of using the emulsified cosmetic of the present invention include a method of using it with hands, fingers and cotton, a method of impregnating it with a non-woven fabric or the like, a method of using it as a spray agent, an aerosol agent and the like.

The present invention also provides a method for producing an emulsified cosmetic containing (a) an oil phase containing a water-soluble cationic polymer and (b) an aqueous phase containing a water-soluble anionic polymer. As for the emulsification method, a well-known method in the art can be appropriately taken into consideration.

Hereinafter, the present invention will be described in more detail with reference to Examples, Test Examples and the like, but the present invention is not limited to these Examples and the like.

[Example 1 (Products 1 to 14 of the present invention) and Comparative Examples 1 to 4: Emulsified cosmetics]
An emulsified cosmetic was prepared by the composition shown in Table 1 and the following production method. The obtained emulsified cosmetics were evaluated for water resistance, abrasion resistance, and sensory evaluation by the following methods, and are shown in Tables 1 to 3 together with the results.

(Note 1) SIMULGEL EG (manufactured by SEPPIC) (37.5% mixture of sodium acrylate and sodium acryloyldimethyltaurate copolymer. The content in the formulation indicates the amount of pure compound)
(Note 2) PEMULENE TR-1 (manufactured by Lubrizol Advanced Materials Inc.)
(Note 3) ACULYN22 (manufactured by ROHM GMBH) (alkyl acrylate, alkyl methacrylate, polyoxyethylene stearyl methacrylate ether (20EO.) 30% aqueous solution of copolymer. The content in the formulation is the pure compound. Indicates the amount)
(Note 4) CARBOPOL 980 (manufactured by Lubrizol Advanced Materials Inc.)
(Note 5) MERQUAT 740 POLYMER (manufactured by Japan Lubrizol Co., Ltd. dimethyldiallyl ammonium chloride / acrylamide copolymer, 43% aqueous solution. The content in the formulation indicates the amount of pure compound)
(Note 6) Leopal ISK2 (manufactured by Chiba Flour Milling Co., Ltd.)
(Note 7) TINOSORBS (manufactured by BASF)
(Note 8) Ubinal A PLUS GRANULAR (manufactured by BASF)
(Note 9) PARSOL SLX (manufactured by DSM NUTRITIONAL PRODUCTS)
(Note 10) NIKKOL HCO-40 (manufactured by Nippon Surfactant Industry Co., Ltd.)
(Note 11) Katinal HC-100 (manufactured by Toho Chemical Industry Co., Ltd.)
(Note 12) JAGUAR C-14S (C) (manufactured by SOLVAY)

(Production method)
A: Ingredients 1 to 3 are uniformly dispersed at 70 ° C.
B: Components 10 to 15 are uniformly dissolved at 70 ° C.
C: Components 16 to 22 are mixed and dispersed.
D: C is placed in B and uniformly dispersed.
E: D is placed in A and emulsified at 70 ° C.
F: E is cooled to room temperature.
Ingredients 4 to 9 were mixed with G: F to obtain an oil-in-water emulsified cosmetic.

(Evaluation method: (a) Water resistance evaluation)
^{After applying 2 mg / cm 2} of each of the above samples to a PMMA plate (HELIOPLATE HD6 manufactured by Labsphere), the samples left to stand for 20 minutes were subjected to SPF measurement using an SPF analyzer (UV-2000S manufactured by Labsphere) and bathed in water. The pre-SPF value was measured. Next, I took a water bath. The water bath conditions were such that the sample was attached to the side surface of the container in which 2 L of water was stored at 35 ° C., and the water in the container was stirred at 300 rpm for 5 minutes using a paddle mixer. After the water bath was completed, the product was allowed to stand and dry for 20 minutes, and then the SPF value was measured after the water bath using the SPF analyzer. Based on the obtained SPF values before and after the water bath, the water resistance was evaluated and judged on a 4-point scale according to the following (a) evaluation criteria.
(A) 4-step evaluation criteria (evaluation): (judgment)
(SPF measured value after bathing) / (SPF measured value before bathing) = 0.7 or more: ◎
(Measured value of SPF after bathing) / (Measured value of SPF before bathing) = 0.5 or more: ○
(Measured value of SPF after bathing) / (Measured value of SPF before bathing) = 0.3 or more: △
(Measured value of SPF after bathing) / (Measured value of SPF before bathing) = Less than 0.3: ×.

(Evaluation method: (b) Friction resistance evaluation)
^{After applying 2 mg / cm 2} of each of the above samples to a PMMA plate and allowing the sample to stand for 20 minutes, SPF measurement was performed using an SPF analyzer (UV-2000S manufactured by Labsphere), and the SPF value before friction was measured. Then friction was applied. The friction conditions are the texture analyzer TA. Using XT PLUS (manufactured by Eiko Seiki Co., Ltd.), the towel cloth was fixed to the tip of the jig, and a constant load was applied to move it left and right five times in a reciprocating manner. After the friction was completed, the SPF value after friction was measured using the SPF analyzer. Based on the obtained SPF values before and after friction, the friction resistance was evaluated and judged on a 4-point scale according to the following (b) evaluation criteria.
(B) 4-step evaluation criteria (evaluation): (judgment)
(SPF measurement value after friction) / (SPF measurement value before friction) = 0.7 or more: ◎
(SPF measurement value after friction) / (SPF measurement value before friction) = 0.5 or more: ○
(SPF measurement value after friction) / (SPF measurement value before friction) = 0.3 or more: △
(SPF measurement value after friction) / (SPF measurement value before friction) = less than 0.3: ×.

(Evaluation method: (c) No stickiness)
Twenty professional evaluation panels were asked to apply each of the above samples to the forearm, and the stickiness during use was evaluated and judged on a four-point scale according to the following (c) evaluation criteria.
(C) 4-step evaluation criteria (evaluation): (judgment)
No stickiness: 4 points Almost no stickiness: 3 points Sticky: 2 points Very sticky: 1 point Judgment based on the following criteria from the average value of the scores evaluated by the above evaluation criteria bottom.
<Criteria>:
[Average score]: [Judgment]
3.25 or more: ◎
2.5 or more and less than 3.25: ○
1.75 or more and less than 2.5: △
Less than 1.75: ×.

(Evaluation method: (d) No sliminess)
Twenty professional evaluation panels were asked to apply each of the above samples to the forearm, and the sliminess during use was evaluated and judged on a four-point scale according to the following (d) evaluation criteria.
(D) 4-step evaluation criteria (evaluation): (judgment)
No slimyness: 4 points Almost no slimyness: 3 points Slimy: 2 points Very slimy: 1 point From the average value of the scores evaluated by the above evaluation criteria, the following criteria Judgment was made based on.
<Criteria>:
[Average score]: [Judgment]
3.25 or more: ◎
2.5 or more and less than 3.25: ○
1.75 or more and less than 2.5: △
Less than 1.75: ×.

(Evaluation method: (e) Freshness)
Twenty professional evaluation panels were asked to apply each of the above samples to the forearm, and the freshness during use was evaluated and judged on a four-point scale according to the following (e) evaluation criteria.
(E) 4-step evaluation criteria (evaluation): (judgment)
Very freshness: 4 points Somewhat freshness: 3 points Somewhat freshness: 2 points No freshness: 1 point From the average value of the scores evaluated by the above evaluation criteria, the following judgment Judgment was made based on the criteria.
<Criteria>:
[Average score]: [Judgment]
3.25 or more: ◎
2.5 or more and less than 3.25: ○
1.75 or more and less than 2.5: △
Less than 1.75: ×.

(Evaluation method: (f) Pharmaceutical stability)
Each of the above samples was placed in a standard glass bottle, stored in a constant temperature bath at 50 ° C. for 1 month, the state after 1 month was observed, and the determination was made using the following (f) 4-step criterion.
(F) 4-step judgment criteria (evaluation): (judgment)
No change in appearance: ◎
Almost no change in appearance: ○
Some separation and lumps are seen: △
Separation, lumps are seen: ×.

As is clear from the results in Tables 1 to 3, the emulsified cosmetics of the products 1 to 14 of the present invention have high water resistance and resistance by blending the water-soluble anionic polymer and the water-soluble cationic polymer in separate phases. It was an emulsified cosmetic that had frictional properties and was excellent in the freshness of the start, the stickiness of the back skin, and the absence of sliminess. Further, the emulsified cosmetics of the products 1 to 14 of the present invention were also excellent in the formulation stability. The products 7 to 10 of the present invention are obtained by changing the content mass ratios (a) / (b) of the components (a) and (b) from the product 1 of the present invention, and the product 11 of the present invention is the product of the present invention. It is a formulation in which the blending amounts of the components (a) and (b) are changed from 1. On the other hand, Comparative Examples 1, 2 and 3 in which the components (a) and (b) were not blended had no water resistance or abrasion resistance, resulting in a sticky or slimy feel. In Comparative Example 4 in which the water-soluble anionic polymer was mixed in the oil phase and the water-soluble cationic polymer was mixed in the aqueous phase, the water-soluble cationic polymer formed an aggregate with the water-soluble anionic polymer in the formulation, resulting in the stability of the formulation. It was inferior.

Example 2: Cream (oil-in-water type)
(Ingredient) (%)
1. 1. N-stearoyl-N-methyltaurine sodium 0.1
2. Phospholipid / cholesterol mixture 2.2
3. 3. Glycerin 6.5
4. Mica (plate powder, average particle size 5-12 μm) 3.0
5. Polyhydroxystearic acid 0.5
6. Dimethyldiallylammonium chloride / acrylamide copolymer (Note 13) 0.045
7. Propylene glycol dicaprate 5.0
8.1,3-butylene glycol 5.0
9. Diglycerin 1.0
10. Inulin stearate (Note 6) 2.0
11. Cetyl ethylcaproate 3.0
12. Ethylhexyl methoxycinnamate 5.0
13. Dimethicodiethylbenzalmalonate (Note 9) 2.0
14.2-[4- (Diethylamino) -2-hydroxybenzoyl] benzoic acid hexyl ester (Note 8)
1.0
15. Rice germ oil 0.02
16. Tocopherol 0.01
17. Remaining amount of purified water 18. Xanthan gum 0.1
19. Carbomer (Note 4) 0.3
20. Appropriate amount of sodium hydroxide 21. Ethanol 6.5
22. Preservatives Appropriate amount 23. Trehalose 0.05
24. Seaweed extract 0.01
25. Citric acid 0.02
26. Sodium monohydrogen phosphate 0.15
27. Hydroxyproline 0.05
28. Capillary wormwood extract 0.05
(Note 13) MERQUAT 550PR (manufactured by Japan Lubrizol Co., Ltd. dimethyldiallyl ammonium chloride / acrylamide copolymer, 9% aqueous solution. The content in the formulation indicates the amount of pure compound).
(Production method)
A: Ingredients (1) to (3) and (17) are heated to 70 ° C. and mixed uniformly.
B: Ingredients (4) to (16) are heated to 80 ° C. and mixed uniformly.
C: Add B to A and stir.
Ingredients (18) to (28) heated to 70 ° C. are added to D: C and emulsified.
E: D was cooled to room temperature with stirring to obtain a cream.

The cream of Example 2 is excellent in water resistance and abrasion resistance, is excellent in usability, is capable of fully exerting the ultraviolet protection function of an ultraviolet absorber and an ultraviolet scattering agent, and is also excellent in emulsion stability. It was a cosmetic.

Example 3: Shaking type sunscreen (water-in-oil type)
(Ingredient) (%)
1.2,4-bis- [{4- (2-ethylhexyloxy) -2-hydroxy} -phenyl] -6- (4-methoxyphenyl) -1,3,5-triazine (Note 7)
1.5
2. Paramethoxycinnamate ethyl ester (ethylhexyl paramethoxycinnamate)
7.5
3. 3. Inulin stearate (Note 6) 1.5
4.2- [4- (Diethylamino) -2-hydroxybenzoyl] benzoic acid hexyl ester (Note 8)
3.0
5. Diethylhexyl succinate 3.5
6. Dimethicodiethylbenzalmalonate (Note 9) 3.0
7. Methylpolysiloxane (Note 14) 0.5
8. Safflower oil 0.1
9. Cyrilization treatment Siliconic anhydride 4.0
10. Zinc oxide 7.0
11. Mica (plate powder, average particle size 5-12 μm) 2.0
12. Polyhydroxystearic acid 1.0
13. Dimethyldiallylammonium chloride / acrylamide copolymer (Note 5)
0.1
14. Cyclomethicone 4.0
15. Light Isoparaffin 4.0
16. Ethanol 7.0
17. Preservatives Appropriate amount 18. Appropriate amount of fragrance 19. Remaining amount of purified water 20. Acrylic acid / alkyl methacrylate copolymer (Note 2) 0.05
21. Hydrolyzed hyaluronic acid 0.01
22. Hydrolyzed collagen 0.01
(Note 14) KF-96-10CS (manufactured by Shin-Etsu Chemical Co., Ltd.)
A sunscreen (shaking) was prepared by the following manufacturing method.
(Production method)
A: Ingredients (1) to (8) are heated to 80 ° C. and mixed uniformly.
B: Ingredients (9) to (15) are uniformly mixed by a roller.
C: Add B to A and mix uniformly.
D: Add components (16) to (18) to C and mix uniformly.
E: Add (19) to (22) to D and emulsify.
By cooling F: E to room temperature, a shaking type sunscreen (water-in-oil type) was obtained.

The sunscreen agent (shaking) of Example 3 has excellent water resistance and abrasion resistance, is excellent in usability, and can fully exert the ultraviolet protection function of the ultraviolet absorber and the ultraviolet scattering agent. Moreover, it was a cosmetic having excellent emulsion stability.

Example 4: Sunscreen (cream) (water-in-oil type)
(Ingredient) (%)
1. 1. Zinc oxide 15
2. Titanium oxide 2
3. 3. PEG-9 Polydimethylsiloxyethyl Dimethicone (Note 15)
0.5
4. O- [2-Hydroxy-3 (trimethylammonio) propyl] guar gum (Note 12)
0.1
5. Cyclomethicone 6.0
6. Disteardimonium Hectorite 1.0
7. Ethylhexyl paramethoxycinnamate 5.0
8. Inulin stearate (Note 6) 1.0
9.2- [4- (diethylamino) -2-hydroxybenzoyl] benzoic acid hexyl ester (Note 8)
2.0
10. Light paraffin 4.0
11. Isotridecyl isononanoate 2.0
12. Cetyl ethylcaproate 1.0
13. Tocopherol 0.05
14. Apricot kernel oil 0.01
15. Cyclomethicone remaining amount 16. PEG-9 Polydimethylsiloxyethyl Dimethicone (Note 15)
0.5
17. Dimethicodiethylbenzalmalonate (Note 9) 3.0
18. Methylsiloxane reticulated polymer (Note 16) 3.0
19. Appropriate amount of fragrance 20. Disodium edetate Appropriate amount 21. Purified water 14
22. Alkyl acrylate / alkyl methacrylic acid / polyoxyethylene stearyl methacrylate copolymer (20EO) copolymer (Note 3)
0.5
23. Hawthorn extract 0.01
24. Grape leaf extract 0.01
25. Concentrated glycerin 1.0
26. Ethanol 15
(Note 15) KF-6028P (manufactured by Shin-Etsu Chemical Co., Ltd.)
(Note 16) TOSPEARL 3000A (manufactured by Momentive Performance Materials Japan)
A sunscreen (cream) was prepared by the following manufacturing method.
(Production method)
A: The components (1) to (6) are uniformly mixed by a roller.
B: Ingredients (7) to (19) are heated to 80 ° C. and mixed uniformly.
C: Add B to A and mix uniformly.
D: Ingredients (20) to (26) are added and mixed uniformly.
E: Add D to C and emulsify.
F: E was returned to room temperature to obtain a sunscreen (cream).

The sunscreen (cream) of Example 4 has excellent water resistance and abrasion resistance, is excellent in usability, can fully exert the ultraviolet protection function of the ultraviolet absorber and the ultraviolet scattering agent, and also. It was a cosmetic with excellent emulsion stability.

Example 5: Cosmetic base (water-in-oil type)
(Ingredient) (%)
1. 1. Zinc oxide 15
2. Silicon treated ultramarine 0.04
3. 3. Silicon-talc-yellow iron oxide mixture 0.03
4. Nylon 1.0
5. (Acrylate / ethylhexyl acrylate / dimethicone methacrylate) copolymer (Note 17)
0.3
6. O- [2-Hydroxy-3- (trimethylammonio) propyl] hydroxyethyl cellulose chloride (Note 18)
0.3
7. Cyclomethicone 6.0
8. Ethylhexyl paramethoxycinnamate 3.0
9.2- [4- (diethylamino) -2-hydroxybenzoyl] benzoic acid hexyl ester (Note 8)
2.0
10. Light paraffin 4.0
11. Inulin stearate (Note 6) 1.0
12. Diethylhexyl succinate 3.0
13. Cyclomethicone remaining amount 14. PEG-9 Polydimethylsiloxyethyl Dimethicone (Note 15)
0.5
15. Dimethicodiethylbenzalmalonate (Note 9) 3.0
16. Methylsiloxane reticulated polymer (Note 16) 3.0
17. Appropriate amount of fragrance 18. Methylphenyl polysiloxane 0.5
19. Disodium edetate Appropriate amount 20. Purified water 14
21. Sodium acrylate / sodium acryloyldimethyltaurate copolymer (Note 1)
0.8
22. Methylgluces-10 0.5
23. Lysine dilauroyl glutamate Na 0.2
24. Humus extract 1.0
25. Concentrated glycerin 1.0
26. Ethanol 15
(Note 17) KP-578P (manufactured by Shin-Etsu Chemical Co., Ltd.)
(Note 18) Katinal HC-200 (manufactured by Toho Chemical Industry Co., Ltd.)
A cosmetic base was prepared by the following manufacturing method.
(Production method)
A: The components (1) to (7) are uniformly mixed by a roller.
B: Ingredients (8) to (18) are heated to 80 ° C. and mixed uniformly.
C: Add B to A and mix uniformly.
D: Ingredients (18) to (26) are added and mixed uniformly.
E: Add D to C and emulsify.
F: E was returned to room temperature to obtain a cosmetic base.

The cosmetic base of Example 5 has excellent water resistance and abrasion resistance, is excellent in usability, can fully exert the ultraviolet protection function of the ultraviolet absorber and the ultraviolet scattering agent, and has emulsion stability. It was an excellent cosmetic product.

Example 6: Aerosol type sunscreen (oil-in-water type)
(Ingredient) (%)
1. 1. Propylene glycol dicaprate 12
2. Inulin stearate (Note 6) 1.0
3. 3. Dextrin isostearate (Note 19) 0.5
4. Zinc oxide 6.0
5. Polyhydroxystearic acid 0.3
6. O- [2-Hydroxy-3- (trimethylammonio) propyl] hydroxyethyl cellulose chloride (Note 11)
0.2
7. Paramethoxycinnamate ethyl ester (ethylhexyl paramethoxycinnamate)
7.0
8.2- [4- (diethylamino) -2-hydroxybenzoyl] benzoic acid hexyl ester (Note 8)
3.0
9.2,4-Bis- [{4- (2-ethylhexyloxy) -2-hydroxy} -phenyl] -6- (4-methoxyphenyl) -1,3,5-triazine (Note 7)
1.0
10. Dimethicodiethylbenzalmalonate (Note 9) 1.0
11. Propylene Glycol Dicaprate 8.0
12. Alkyl benzoate (C12-C15) 1.0
13. Methylsiloxane reticulated polymer (Note 16) 8.5
14. PEG-9 Polydimethylsiloxyethyl Dimethicone (Note 15)
0.5
15. O- [2-Hydroxy-3- (trimethylammonio) propyl] hydroxyethyl cellulose chloride (Note 20)
0.3
16. Dimethyldiallylammonium chloride / acrylamide copolymer (Note 5)
0.3
17. Mica (plate powder, average particle size 5-12 μm) 4.0
18. Natural Vitamin E 0.05
19. Dipropylene glycol 1.0
20. Ethanol 25
21. Remaining amount of purified water 22. Sodium acrylate / sodium acryloyldimethyltaurate copolymer
0.8
23. Appropriate amount of fragrance (Note 19) Unifilma HVY (manufactured by Chiba Flour Milling Co., Ltd.)
(Note 29) Katinal LC-100 (manufactured by Toho Chemical Industry Co., Ltd.)
An aerosol-type sunscreen was prepared by the following production method.
(Production method)
A: Ingredients (1) to (6) are dispersed by three rollers.
B: Ingredients (7) to (17) are uniformly dissolved at 70 ° C.
C: Add B to A and mix uniformly.
D: Add (18) to (23) to C and emulsify.
An aerosol-type sunscreen is obtained by filling an aluminum pressure-resistant container with 6 g of the undiluted solution obtained in E: D, fixing the valve, and filling the pressure-resistant container with a propellant (LPG 0.15: 14 g) through the valve. rice field.

The aerosol-type sunscreen preparation of Example 6 has excellent water resistance and abrasion resistance, is excellent in usability, can fully exert the ultraviolet protection function of an ultraviolet absorber and an ultraviolet scattering agent, and is emulsified. It was a cosmetic with excellent stability.

Example 7: Hair cosmetic (oil-in-water type)
(Ingredient) (%)
1. 1. Remaining amount of purified water 2. PG 2.0
3. 3. Glycerin 1.0
4. Sodium edetate 0.01
5. Sodium acrylate / sodium acryloyldimethyltaurate copolymer (Note 1)
0.5
6. Methylpolysiloxane (Note 21) 10.0
7. Light liquid paraffin 5.0
8. Dextrin isostearate (Note 19) 1.0
9. Ethyl oleate 1.0
10. Polyoxyethylene hydrogenated castor oil (Note 10) 1.0
11. Fragrance 0.5
12. Mica (plate powder, average particle size 5-12 μm) 4.0
13. O- [2-Hydroxy-3- (trimethylammonio) propyl] hydroxyethyl cellulose chloride (Note 11)
0.2
14. Sodium hydroxide 0.05
15. Purified water 2.0
16. Ethanol 10
17. Purified water 5.0
18. Acrylic acid / alkyl methacrylate copolymer (Note 2) 0.3
19. L-serine 0.05
20. Glycylglycine 0.05
(Note 21) KF-96-6CS (manufactured by Shin-Etsu Chemical Co., Ltd.)
Hair cosmetics were prepared by the following manufacturing method.
(Production method)
A: Ingredients (1) to (5) are uniformly mixed.
B: The components (6) to (13) are uniformly dissolved.
C: Add B to A and emulsify.
D: Add (14) to (15) to C and mix.
E: Add (16) to (20) to D and mix.
Hair cosmetics were obtained by filling the dispenser container with F: E.

The hair cosmetic of Example 7 was a cosmetic having excellent water resistance and abrasion resistance, a good feel, and excellent emulsification stability.

As described in detail above, by containing the water-soluble cationic polymer in the oil phase and the water-soluble anionic polymer in the aqueous phase, the water resistance and abrasion resistance of the coating film are improved and good use is achieved. Provide an emulsified cosmetic having a feeling.

This application is based on Japanese Patent Application No. 2018-206251 filed on November 1, 2018, the disclosure of which is referenced and incorporated as a whole.

Claims (9)

An emulsified cosmetic containing (a) an oil phase containing a water-soluble cationic polymer and (b) an aqueous phase containing a water-soluble anionic polymer. (C) The emulsified cosmetic according to claim 1, which comprises at least one of a metal oxide or a plate-like powder. (D) The emulsified cosmetic according to claim 1 or 2, which comprises an inulin fatty acid ester. The emulsified cosmetic according to any one of claims 1 to 3, wherein the content mass ratio (a) / (b) is 0.05 to 20. (A) The water-soluble cationic polymer is a dimethyldiallyl ammonium chloride / acrylamide copolymer, O- [2-hydroxy-3- (trimethylammonio) propyl] hydroxyethyl cellulose chloride, and O- [2-hydroxy-3 chloride. -(Trimethylammonio) Propyl] The emulsified cosmetic according to any one of claims 1 to 4, which is one or more selected from the group consisting of guar gum. (B) The water-soluble anionic polymer is one or more selected from the group consisting of a carboxyvinyl polymer, an acrylic acid / alkyl methacrylate copolymer, and a sodium acrylate / sodium acryloyldimethyltaurate copolymer. The emulsified cosmetic according to any one of claims 1 to 5. The emulsified cosmetic according to any one of claims 1 to 6, which is an oil-in-water emulsified cosmetic. (E) The emulsified cosmetic according to any one of claims 1 to 7, which comprises dimethicodiethylbenzalmalonate. A method for producing an emulsified cosmetic containing (a) an oil phase containing a water-soluble cationic polymer and (b) an aqueous phase containing a water-soluble anionic polymer.