JP2022176444A - Hair composition and hair processing method - Google Patents

Abstract

To provide a hair composition enabling organized hair processed by using a heating element such as an iron and suppression of hair bundling, and a hair processing method.SOLUTION: The hair composition has a cyclic carbonate and polyalcohol blended together, and the hair processing method comprises: a coating step; a cleaning step of cleaning hairs; a drying step of drying the hairs; and a heating step of bringing a heating element of a setting temperature of 100°C or more into contact with the hairs, and the hairs are coated with the hair composition. In the coating step, the hairs are coated with the hair composition having the cyclic carbonate and the polyalcohol blended together. In the cleaning step, the hairs are cleaned. In the drying step, the hairs are dried. In the heating step, the heating element of the setting temperature of 100°C or more is brought into contact with the hairs.SELECTED DRAWING: Figure 1

Description

The present invention relates to a hair composition for use in specific hair treatments in which a heating element such as a curling iron is brought into contact with the hair, and a hair treatment method using the composition.

Many people say that the hair treatment performed at a beauty salon allows the hair to feel more tactile than the treatment performed at home. As such a treatment, a multi-drug treatment that combines multiple compositions is known. In addition, in Patent Document 1, about 1.0 to 40.0% by weight of polyhydric alcohol and about 2.0 to 40.0% by weight of cyclic carbonate are blended, and "weight of polyhydric alcohol / amount of cyclic carbonate A specific example of a hair treatment method is disclosed in which an agent having a weight of about 1 to 40 is applied to and acted on the hair, and then the hair is heat-treated without washing the hair. (Claim 1, paragraph 0002, paragraphs 233-034).

U.S. Patent Application Publication No. 2019/0167548

By the way, in a hair treatment method in which a heating element such as a curling iron is brought into contact with the hair, it is expected that the hair will be in a cohesive state. It is desired to suppress the occurrence of

In view of the above circumstances, it is an object of the present invention to provide a hair composition and a hair treatment method that are excellent in keeping hair that has been treated using a heating element such as an iron, and that is capable of suppressing the formation of bundles of hair. .

The composition for hair according to the present invention comprises an application treatment, a washing treatment for washing the hair after the application treatment, a drying treatment for drying the hair after the washing treatment, and applying a set temperature to the hair after the drying treatment. A heat treatment in which a heating element of 100° C. or higher is brought into contact with the hair, and is applied to the hair in the application treatment, and is characterized by blending a cyclic carbonate and a polyhydric alcohol.

In the composition for hair according to the present invention, the blending amount of the polyhydric alcohol is preferably 40% by mass or more. Even with this blending amount, the hair composition according to the present invention is used in a hair treatment method including a washing treatment, so the occurrence of bundles of hair can be suppressed.

The composition for hair according to the present invention preferably contains a surfactant. The addition of a surfactant is suitable for improving the manageability and softness of hair after hair treatment.

The composition for hair according to the present invention preferably contains a higher alcohol. Blending a higher alcohol is suitable for improving smoothness.

The composition for hair according to the present invention may contain less than 10% by mass of water, or may contain substantially no water. Even with such a water content, the hair composition according to the present invention is used in a hair treatment method including a washing treatment, so the occurrence of bundles of hair can be suppressed. Here, "substantially no water is blended" means that water is not intentionally blended and that the amount of water due to the hygroscopicity of other ingredients is applicable.

Further, the hair treatment method according to the present invention comprises a coating treatment of applying a hair composition containing a cyclic carbonate and a polyhydric alcohol to the hair, a washing treatment of washing the hair after the application treatment, and the washing treatment. It is characterized by comprising a drying treatment for drying the hair after the drying treatment and a heating treatment for contacting the hair after the drying treatment with a heating element having a set temperature of 100° C. or higher.

According to the composition for hair according to the present invention, a cyclic carbonate and a polyhydric alcohol are blended, and the hair after application is washed, dried, and is brought into contact with a heating element having a set temperature of 100° C. or higher for hair treatment. Since it is used for , it is possible to realize hair that is excellent in hair management and suppresses the generation of bundles of hair.

Further, according to the hair treatment method of the present invention, the hair composition used in the coating treatment is blended with a cyclic carbonate and a polyhydric alcohol, and after the hair composition applied in the washing treatment is removed, Since the drying treatment for drying the hair and the heating treatment for contacting the hair with a heating element having a set temperature of 100° C. or higher are performed, the hair is excellent in being collected and the hair bundles are suppressed from occurring.

4 is a photographed image of the state of hair after hair treatment according to Example 1 and Comparative Example 1. FIG. It is a photographed image of the state of the hair after the hair treatment of Comparative Example 2 and Example 2a, and the state of the untreated hair.

The present invention will be described below based on the embodiments of the present invention.
The hair treatment method of the present embodiment includes a coating treatment for applying a predetermined hair composition to the hair, a washing treatment for washing the hair, a drying treatment for drying the hair, and a heating treatment for contacting a heating element having a set temperature of 100° C. or higher. have processing. According to the hair treatment method of the present embodiment, the hair is excellent in bundling, and the occurrence of hair bundles can be suppressed.

Before and/or after treatment by the hair treatment method of the present embodiment, a shampoo treatment using a shampoo composition containing a surfactant such as an anionic surfactant, a cationic surfactant, a silicone, etc. A treatment treatment using a blended treatment composition, a bleaching treatment using a bleaching composition for decolorizing the melanin pigment of the hair, a hair dyeing treatment using a hair dyeing composition for dyeing the hair, etc. A known hair treatment may be performed as appropriate.

Further, in the process of using the hair treatment method of the present embodiment, additional treatments may be performed as long as the effects of the present invention are not impaired. For example, after application treatment and before washing treatment, a known wash-off treatment composition containing cationic surfactants, higher alcohols, etc. may be applied.

Application Treatment In the application treatment of the present embodiment, a predetermined composition for hair is applied to the hair. In order to exhibit the effect of the composition for hair, it is preferable that the hair before application contains moisture after being shampooed.

The hair composition of this embodiment used in this application treatment contains a cyclic carbonate and a polyhydric alcohol. In addition, the hair composition of the present embodiment may contain, as optional components, components that are blended in known hair compositions.

The cyclic carbonate improves the softness, manageability and smoothness of hair. The cyclic carbonate is preferably a known cyclic carbonate, and examples thereof include those represented by the following general formula (I). Specific examples include ethylene carbonate, propylene carbonate, butylene carbonate, and glycerol carbonate. .

In general formula (I) above, n is an integer of 0, 1, or 2, and R ₁ , R ₂ , R ₃ , and R ₄ each independently represent a hydrogen atom, or a It represents an alkyl group, a hydroxyalkyl group having 1 to 6 carbon atoms, or a hydroxy group.

The composition for hair of the present embodiment contains one or more cyclic carbonates, and the amount of the cyclic carbonates in the composition for hair is preferably 2% by mass or more and 20% by mass or less, and 5% by mass or more. 15 mass % or less is preferable, and 8 mass % or more and 13 mass % or less is more preferable.
When it is 2% by mass or more, it is suitable for improving the manageability, softness and smoothness of hair, and when it is 20% by mass or less, it is preferable from the viewpoint of cost reduction.

Addition of the above polyhydric alcohol improves the softness and manageability of the hair. The polyhydric alcohol is a known dihydric, trihydric, or tetrahydric polyhydric alcohol having 6 or less carbon atoms, and specific examples of the polyhydric alcohol include glycerin, 1,2-propanediol, 1,3 -propanediol, 2-methyl-1,3-propanediol, 1,3-butylene glycol, diethylene glycol, dipropylene glycol, diglycerin, triethylene glycol.

One or two or more polyhydric alcohols are blended in the composition for hair according to the present embodiment. 40% by mass or more is good, 50% by mass or more is preferable, 60% by mass or more is more preferable, 70% by mass or more is still more preferable, and 75% by mass or more is even more preferable. On the other hand, the upper limit of the polyhydric alcohol compounding amount is preferably 95% by mass in order to ensure the compounding amount of the cyclic carbonate.

As described above, optional ingredients may be added to the hair composition of the present embodiment, and examples of the optional ingredients include surfactants, higher alcohols, lower alcohols, silicones, fats and oils, ester oils, waxes, hydrocarbons, high Examples include molecular compounds, amino acids, animal and plant extracts, fragrances, and the like.

Adding a surfactant to the hair composition of the present embodiment is suitable for improving the softness and manageability of hair. Examples of surfactants include cationic surfactants, anionic surfactants, amphoteric surfactants, and nonionic surfactants, and one or more surfactants may be blended.

Examples of the cationic surfactant include long-chain alkyltrimethyl quaternary ammonium salts and di-long-chain alkyldimethyl quaternary ammonium salts. Examples of the quaternary ammonium constituting the long-chain alkyltrimethyl quaternary ammonium salts include lauryl Trimethylammonium, myristyltrimethylammonium, cetyltrimethylammonium, stearyltrimethylammonium, behenyltrimethylammonium, and quaternary ammonium constituting the dilong-chain alkyldimethyl quaternary ammonium salt include dilauryldimethylammonium, dimyristyldimethylammonium, dicetyldimethylammonium, distearyldimethylammonium and dibehenyldimethylammonium. One or two or more cationic surfactants are blended in the hair composition of the present embodiment. % or more and 8% by mass or less is preferable. When the amount is 0.5% by mass or more, it is suitable for improving the manageability and softness of the hair, and when it is 8% by mass or less, it is preferable from the viewpoint of the smoothness of the hair.

Examples of the anionic surfactant include N-acyl amino acid salts, polyoxyethylene alkyl ether carboxylates, alkane sulfonates, α-olefin sulfonates, N-acyl methyl taurate salts, alkyl sulfate ester salts, poly Oxyethylene alkyl ether sulfates, monoalkyl phosphates, and polyoxyethylene alkyl ether phosphates can be mentioned. One or two or more anionic surfactants are blended in the hair composition of the present embodiment. % or more and 8% by mass or less is preferable. When the amount is 0.5% by mass or more, it is suitable for improving the manageability and softness of the hair, and when it is 8% by mass or less, it is preferable from the viewpoint of the smoothness of the hair.

Examples of the above amphoteric surfactant include betaine alkyldimethylaminoacetate, betaine fatty acid amidopropyldimethylaminoacetate, betaine alkyldihydroxyethylaminoacetate, N-alkyl-N,N-dimethylammonium-N-propylsulfonate, N -alkyl-N,N-dimethylammonium-N-(2-hydroxypropyl)sulfonate, N-fatty acid amidopropyl-N,N-dimethylammonium-N-(2-hydroxypropyl)sulfonate, 2-alkyl -N-carboxymethyl-N-hydroxyethylimidazolinium betaine. One or two or more amphoteric surfactants are blended in the hair composition of the present embodiment. % or more and 8% by mass or less is preferable. When the amount is 0.5% by mass or more, it is suitable for improving the manageability and softness of the hair, and when it is 8% by mass or less, it is preferable from the viewpoint of the smoothness of the hair.

Examples of the nonionic surfactant include polyoxyethylene alkyl ether, polyoxyethylene polyoxypropylene alkyl ether, polyoxyethylene fatty acid ester, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene hydrogenated castor oil, polyoxyethylene sorbitol tetra Fatty acid esters, glycerin fatty acid esters, alkyl glucosides, sorbitan fatty acid esters, polyglycerin fatty acid esters, polyoxyethylene glycerin fatty acid esters, sucrose fatty acid esters, and alkylalkanolamides. One or two or more nonionic surfactants are blended in the hair composition of the present embodiment. % or more and 8% by mass or less is preferable. When the amount is 0.5% by mass or more, it is suitable for improving the manageability and softness of the hair, and when it is 8% by mass or less, it is preferable from the viewpoint of the smoothness of the hair.

Blending a higher alcohol into the hair composition of the present embodiment is suitable for improving the smoothness of hair. The higher alcohol is a monohydric alcohol having 6 or more carbon atoms, preferably a saturated alcohol having 16 or more and 22 or less carbon atoms, such as lauryl alcohol, myristyl alcohol, cetyl alcohol, stearyl alcohol, arachyl alcohol, and behenyl alcohol. straight-chain saturated alcohols such as oleyl alcohol; straight-chain unsaturated alcohols such as oleyl alcohol; mentioned. One or two or more higher alcohols are blended in the hair composition of the present embodiment. The blending amount of the higher alcohol is, for example, 2% by mass or more and 8% by mass or less.

When water is blended into the composition for hair of the present embodiment, the amount of water to be blended is preferably less than 10% by mass, preferably less than 7% by mass, and less than 5% by mass, from the viewpoint of suppressing hydrolysis of the cyclic carbonate. is more preferable, less than 3% by mass is more preferable, and less than 1% by mass is even more preferable. In addition, in order to eliminate the fear of inhibiting hydrolysis, it is preferable not to substantially add water.

The dosage form of the composition for hair of the present embodiment is not particularly limited, and examples thereof include liquid and cream. The viscosity after 60 seconds measured at 25° C. using a Brookfield viscometer was 10,000 mPa.s. s above 60,000 mPa.s A creaminess of s or less is preferable from the viewpoint of handling.

In the application treatment of the present embodiment, it is preferable to leave the composition for a certain period of time after applying the composition for hair to the hair. This leaving time is, for example, 1 minute or more and 15 minutes or less. During the standing, the hair after application may be heated by a known method.

Washing Treatment In the washing treatment of the present embodiment, the hair composition applied in the application treatment is removed from the hair by washing with water. Without this washing treatment, bundles of hair are likely to occur after treatment by the hair treatment method of the present embodiment.

Drying Treatment In the drying treatment of the present embodiment, part or all of the moisture remaining on the hair after the washing treatment is dried. If the next heat treatment is performed without performing this drying treatment, the moisture in the hair may evaporate rapidly and damage the hair. According to the drying process of the present embodiment, it is possible to suppress damage due to the rapid evaporation of water. In the drying treatment, for example, the hair is dried with warm air from a dryer. Moreover, drying after winding wet hair on a rod can also be exemplified.

Heat Treatment In the heat treatment in the present embodiment, the hair dried by the drying treatment is brought into contact with a heating element. The hair after heat treatment is excellent in manageability, softness and smoothness.

The set temperature of the heating element that is brought into contact with the hair is 100° C. or higher. The contact is performed with a known curling iron for straightening the hair and deforming the hair into a substantially straight shape, a rod for making the hair wavy, and a curling iron for making the hair curled or wavy. It is good to use it.

Hair irons for deforming hair into a substantially straight shape are known as "ADST Premium DS" manufactured by Hakko Co., Ltd., "VSI-1009/PJ" manufactured by Seiki Koizumi Co., Ltd., and the like. This hair iron is provided with a pair of opposing metal plate-shaped bodies as heating elements. When using the curling iron, the hair is sandwiched between the opposing heating elements, and then the curling iron is moved while maintaining the sandwiched state of the hair to slide the sandwiched hair. The setting temperature of the heating element of the hair iron is 100° C. or higher, preferably 120° C. or higher, preferably 140° C. or higher, more preferably 160° C. or higher, and 170° C. or higher in order to efficiently deform the shape of the hair. is more preferred. On the other hand, the set temperature of the heating element is preferably 230° C. or lower, preferably 210° C. or lower, more preferably 200° C. or lower, and still more preferably 190° C. or lower, in order to suppress hair damage.

A rod for wavy hair is provided in a known device such as "ODIS EX" manufactured by Daiko Seisakusho Co., Ltd. The setting temperature of the rod is 100° C. or higher in order to efficiently deform the shape of the hair.

A curling iron for curling or wavy hair is known as "Digital Perming" manufactured by Hakko Co., Ltd. and the like. This curling iron is used by setting the temperature of the heating element to, for example, 140° C. or higher and 190° C. or lower.

EXAMPLES The present invention will be described in detail below based on examples, but the present invention is not limitedly interpreted based on the description of these examples.

The hair compositions of Example 1, Comparative Examples 1-2, Examples 2a-2d, and Examples 3a-3e were prepared as follows, and The hair was treated according to the hair treatment methods of Examples 3a-3e. The details of the above hair composition, hair treatment method and evaluation are as follows.

(Composition for hair)
The cream hair compositions of Example 1, Comparative Examples 1-2, Examples 2a-2d, and Examples 3a-3e were prepared. Ingredients: ethylene carbonate, propylene carbonate, 1,2-propanediol, 1,3-butylene glycol, glycerin, behenyltrimethylammonium chloride, sodium polyoxyethylene cetyl ether phosphate (5E.O.), polyoxyethylene Oleyl Ether (2 E.O.), Polyoxyethylene Cetyl Ether (30 E.O.), Glyceryl Monostearate, Polyoxyethylene Sorbit Tetraoleate (60 E.O.), Polyoxyethylene Hydrogenated Castor Oil (100 E.O.) ), stearyl alcohol, behenyl alcohol, isopropanol, methylpolysiloxane (10cs), highly polymerized methylpolysiloxane, dimethylsiloxane/methylstearoxysiloxane copolymer, diisopropyl adipate, diisobutyl adipate, lanolin, liquid paraffin, phenoxyethanol, fragrance and the blending amounts thereof were as shown in Tables 1 to 3 below.

(Hair treatment method of Example 1)
Coating treatment, washing treatment, drying treatment, and heat treatment were carried out as follows, and hair treatment was carried out according to the hair treatment method of Example 1.

Wet treated hair (collected from a Japanese woman with a history of oxidative dyeing treatment, length of about 20 cm, mass About 4 g of the composition for hair of Example 1 was applied to 2 g of hair) and left to stand for 10 minutes for the application treatment. After the application treatment, the hair to be treated was thoroughly rinsed with warm water to perform washing treatment, and soon after, as a drying treatment, hot air from a dryer was used to remove moisture from the hair. Then, the temperature of a pair of heating elements in a hair iron ("ADST Premium DS professional hair straightening iron ADST Premium DS (FDS-25)" manufactured by Hakko Co., Ltd.) is set to 180 ° C., and the treatment is performed between the heating elements. The heat treatment was performed by pinching the hair and sliding the hair while stretching it three times. As described above, hair treatment was performed by the hair treatment method of Example 1.

(Comparative example 1)
The hair treatment method of Comparative Example 1 was the same as the hair treatment method of Example 1, except that the washing treatment was omitted.

(Hair treatment methods of Comparative Example 2, Examples 2a to 2d, and Examples 3a to 3e)
A hair treatment method similar to the hair treatment method of Example 1 except that the hair composition of Example 1 was replaced with the hair composition of Comparative Example 2, Examples 2a to 2d, and Examples 3a to 3e was performed. 2, Examples 2a-2d and Examples 3a-3en hair treatment methods.

(Evaluation: Example 1, Comparative Example 1)
The hair treated by the hair treatment methods of Example 1 and Comparative Example 1 was combed and visually observed.

(Evaluation: Comparative Example 2, Examples 2a-2d, Examples 3a-3e)
The hair to be treated according to Comparative Example 2, Examples 2a to 2d, and Examples 3a to 3e was washed with a commercially available shampoo composition (“Noidue Willow Luxe Shampoo” manufactured by Milbon). , treatment using a commercially available treatment composition (“Noidue Willow Luxe Treatment” manufactured by Milbon Co., Ltd.), and moisture removal from the hair with hot air from a dryer. After that, the treated hair was evaluated for its cohesiveness (a state in which the fluffiness of the treated hair was suppressed when visually observed), softness (a soft feel felt when touched), and smoothness (a smooth surface felt when touched). ) was evaluated. Evaluation here was performed by four evaluators. In addition, evaluation was performed by comparing Comparative Example 2 and Examples 2a to 2d when Example 2a was used as a standard, and by comparing Examples 3a to 3e when Example 3a was used as a standard. A score that was better than the standard was rated as "3", a score that was equivalent to the standard was rated as "2", and an evaluation that was worse than the standard was rated as "1". Then, evaluation points were summed up and evaluated.

Table 1 below is a table showing the components and blending amounts of the hair compositions of Example 1 and Comparative Example 2 ("parts by mass" in Table 1 means the mass ratio of the components; the same shall apply hereinafter). FIG. 1 is photographed images of the treated hair of Example 1 and Comparative Example 1 that were visually observed. According to FIG. 1, in Example 1, compared with Comparative Example 1 in which the washing treatment was omitted, the occurrence of hair bundles was clearly suppressed.

Tables 2 to 3 below show the components and blending amounts of the hair compositions of Comparative Example 2, Examples 2a to 2d, and Examples 3a to 3e, as well as evaluations of "coherence," "softness," and "smoothness." It is a table showing the results. FIG. 2 shows photographed images of treated hair in Comparative Example 2 and Example 2a, and untreated hair (dried hair before application treatment).

In comparison between Comparative Example 2 and Examples 2a to 2d in Table 2 below, it can be confirmed that all the evaluations were improved by the addition of the cyclic carbonate (reference: FIG. 2). Also, in comparing Example 2a with Examples 2b to 2d, it can be confirmed that the addition of the surfactant improved the evaluation of "coherence" and "softness".

Comparison between Examples 3a and 3c and between Examples 3d and 3e in Table 3 below shows that the addition of the higher alcohol improved the evaluation of "smoothness".

Claims (6)

a coating process;
a washing treatment for washing the hair after the application treatment;
a drying treatment for drying the hair after the washing treatment;
a heat treatment in which a heating element having a set temperature of 100° C. or higher is brought into contact with the hair after the drying treatment, wherein the hair composition is applied to the hair in the application treatment in the hair treatment method,
A hair composition comprising a cyclic carbonate and a polyhydric alcohol. 2. The composition for hair according to claim 1, wherein the content of said polyhydric alcohol is 40% by mass or more. 3. The composition for hair according to claim 1, further comprising a surfactant. The composition for hair according to any one of claims 1 to 3, which contains a higher alcohol. The composition for hair according to any one of claims 1 to 4, which contains less than 10% by mass of water, or contains substantially no water. an application treatment of applying a hair composition containing a cyclic carbonate and a polyhydric alcohol to the hair;
a washing treatment for washing the hair after the application treatment;
a drying treatment for drying the hair after the washing treatment;
A heat treatment in which a heating element having a set temperature of 100° C. or higher is brought into contact with the hair after the drying treatment;
A hair treatment method characterized by comprising:

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