JPH0623088B2 - Cosmetics - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention contains yeast and / or yeast extract and mucopolysaccharides as essential active ingredients, and further contains a specific plant extract or microbial-produced polysaccharide. The present invention relates to useful and novel cosmetics having excellent skin moisturizing properties.

That is, the purpose of the present invention is to activate the metabolism of the skin, impart elasticity and flexibility of the skin, dry,
It is an object of the present invention to provide a cosmetic having excellent effects of protecting the skin, retaining water, and improving the skin, such as preventing rough skin.

[Prior Art] Conventionally, cosmetics have been used for the purpose of preventing the dryness of the skin, which is one of its important functions, moisturizing the skin and keeping it healthy. The proper water retention of the skin is
It is essential for the skin to function normally. Therefore, from these viewpoints, research and development of cosmetics and moisturizers having a high skin moisturizing effect have been conducted with the aim of maintaining and improving the moisturizing properties of the skin, and consumers have strongly demanded them.

Conventionally, it has been known to use yeast for its moisturizing effect or skin beauty effect for incorporation into cosmetics and the like. For example, there are JP-B-39-4899 in which yeast cells themselves are used in a pack, and JP-A-53-2507 and JP-A-53-2508 in which yeast cells are used as a detergent.

On the other hand, mucopolysaccharides, which are constituents of the skin and have excellent effects such as moisturizing action and cell activating action, have been studied for effective use of these components from the viewpoint of skin health and beauty. For example, mucopolysaccharides such as chondroitin sulfate and hyaluronic acid and related substances treated alone or in combination with some other components are included in JP-B-33-500 and JP-B-41.
-20560, JP-A-50-64442, JP-A-54-52733, JP-A-55-1
53711, JP-A-55-160712, JP-A-57-183707, JP-A-57-
185208 and JP-A-57-212108.

[Problems to be Solved by the Invention] As described above, yeast or yeast extract and mucopolysaccharide are useful for skin moisturizing effect and cosmetic effect. However, in the case of these single blends, the expected action and effect are not sufficiently exhibited, and they are not satisfactory. In addition, it is the present situation that the synergistic effect of these and other ingredients has not been sufficiently investigated, and there are few known examples of effective use thereof, and therefore a cosmetic having an excellent moisturizing effect can be obtained by simply mixing them. Not not.

In addition, skin moisturization is the ultimate problem of cosmetics,
It has been earnestly desired to develop a cosmetic having an excellent moisturizing effect.

[Means for Solving Problems] The inventors of the present invention have extensively and extensively studied various moisturizers in order to obtain cosmetics having a high moisturizing effect which has never been obtained by the present inventors.
It was found that the skin moisturizing effect can be remarkably enhanced by using yeast and / or yeast extract and mucopolysaccharide in combination, and further adding a specific plant extract or microbial-produced polysaccharide together with the above-mentioned components. With that, the present invention was completed.

That is, the present invention contains yeast and / or yeast extract and mucopolysaccharides as essential components, and further comprises one or more selected from the group of specific plant extracts or microorganism-produced polysaccharides together with the components. Cosmetics that are contained in the blended cosmetics and have excellent effects on skin protection, water retention and skin improvement, such as activating skin metabolism, imparting elasticity and flexibility to the skin, and preventing dryness. To provide.

The configuration of the present invention will be described below.

Yeast used as an essential component in the present invention, the yeast extract is a live yeast cell itself, dry powder of yeast cell and yeast cell self-digestion, hot water extraction, acid hydrolysis, enzymatic decomposition, etc. Yeast extract and the like that have been solubilized, extracted and purified under appropriate conditions. Yeast generally include genus Saccharomyces such as brewer's yeast and baker's yeast and the like, and when a yeast extract is obtained, the destruction of bacterial cells is carried out by physical, chemical or biochemical methods. In the present invention, regardless of the bacterial species as a raw material, the origin, the extraction method, the purification method, the treatment method, and other manufacturing methods, they can be arbitrarily selected and used. Among them, commercially available yeast dry powder and yeast extract are easy to handle and are easily available and convenient.

The above yeasts and yeast extracts include proteins, lipids, inorganic salts,
It contains useful components such as organic acids, vitamins, amino acids, sugars and nucleic acid related substances.

Mucopolysaccharides used as essential components in the present invention include chondroitin sulfate, hyaluronic acid, chitin, and the like,
And salts thereof, and derivatives thereof. Mucopolysaccharide is a constituent component of the skin, and in general, any of animal-derived, microbial-derived and synthetic products can be used. That is, the origin, extraction method, purification treatment method, etc. may be different and are not particularly limited.

Next, the blending amount will be described. The blending amount is% by weight, and will be simply referred to as% hereinafter.

In the present invention, the blending amount of yeast and yeast extract is 0.0001%.
~ 20% can be selected as desired, the mucopolysaccharide is 0.0001
%, The effect can be sufficiently exhibited and the object of the present invention can be achieved. In particular, in the present invention, the mixing ratio of yeast and / or yeast extract and mucopolysaccharide is 0.1: 5.
It is most suitable when used in the range of 0 to 50: 0.1, and the combined effect is very effectively exhibited.

The cosmetic of the present invention is characterized in that the above yeast, yeast extract and mucopolysaccharide are used in combination to effectively utilize the synergistic effect of the essential components. Skin moisturization is further enhanced by the addition of extracts or microbially produced polysaccharides.

The plant extract used in this case is one containing a polysaccharide such as a mucus obtained from a plant, and a quince extract, a farfala extract, a fenugreek extract, an Artenia extract, a mallow extract, and the like. Further, herbal medicine extracts such as aloe, dio, and toki, algae colloid which is an extract of seaweed can be mentioned. The compounding amount of these plant extracts is 0.001 to 20%, and it is effective in this range.

Examples of the microorganism-produced polysaccharides include polysaccharides produced by microorganisms of curdlan, xanthan gum, and pullulan. The amount of these microbially produced polysaccharides is
0.0001 to 20%, which is effective in this range.

Next, the moisturizing effect of the present invention will be described with reference to the results of measuring the moisturizing effect of the product of the present invention and the comparative control product.

Samples Table 1 shows the formulations of the lotion as the product of the present invention and the comparative control product. The blending amount is% by weight.

(Preparation method) Components (1) to (4) selected from each other and (10) are mixed and dissolved, (5) to (9) are added, and the mixture is stirred and mixed to give a product of the present invention and a comparative control product. Get lotion.

Experiments and Results The moisturizing effect was measured for the product of the present invention and the comparative control product, which were provided as samples and obtained as described above.

A) Moisture measurement by impedance IBS with a moisture meter attachment S-12, made by IBS Co., Ltd., foreseeing the forearm flexion side (φ = 1 cm) of normal skin
H: F, Impedance Meter (Model IB)
355), conductance (unit: μ) is measured, and then 10 μl of each sample is applied to each measurement location, and 2 hours after the application, the impedance is similarly measured.

The moisturizing value was obtained by the following formula, and the results are shown in Table 2.

The moisturizing value indicates that the larger the value, the higher the moisturizing effect.

As is clear from the results in Table 2, the products of the present invention are [a] to [b].
The lotion of No. 1 has a much higher moisturizing property than the lotions of [a] to [d] which are the comparative products. That is, it was the combination of yeast extract, hyaluronic acid, and aloe extract, and the combination of yeast extract, hyaluronic acid, and pullulan that showed high moisturizing properties, which was superior to the combination alone or other combinations. Therefore, rather than using yeast, yeast extract, mucopolysaccharides alone, in combination, and by adding a plant extract, microbial polysaccharides synergistically very effectively moisturizing effect is exhibited, each It can be seen that the effect of is enhanced.

B) Usage test Using the present invention product and the comparative control product shown in Table 1 as samples, a lotion base excluding the yeast extract and hyaluronic acid in the components of the present invention product [a] was used as the comparative control product [e]. The effect of the cosmetic of the present invention was tested by a usage test. The use test was carried out by using 10 adult females in each group as a panel and applying them continuously to the face for 2 weeks (morning and evening, twice). The evaluation was based on the comparison with the comparative control product [e], and the effectiveness was judged by the item "moist feeling" after 2 weeks.

The results are shown in Table 3, but the effect after 2 weeks compared with the comparative control product [e] was obtained by the number of people, and the evaluation points were calculated by giving the following scores in comparison with the comparative control product. , Expressed.

As is clear from the results of Table 3, the products of the present invention are [a] to [b].
The lotion of is compared with the lotion of [a] ~ [d] of the comparative reference product,
It can be seen that a better evaluation is obtained and the effect of imparting a moist feeling to the skin is excellent. That is, it was confirmed that an excellent moisturizing effect can be obtained by the present invention.

As described above, the present invention is extremely useful for the skin, and by using the product of the present invention, the metabolism of the skin is activated, the skin moisturizing property is high, the elasticity and flexibility of the skin are increased, and the skin feels moist. It is possible to provide moisture, prevent dryness, and prevent rough skin.

The cosmetics according to the present invention may be in any form and of various types, such as softening lotions, astringent lotions, lotions such as wash lotions, emollient creams, massage creams, cleansing creams, makeup creams. Such as creams, emollient emulsions, moisturizing emulsions, milky lotions, nourishing emulsions, cleansing emulsions, jelly packs, paste packs, powder packs, etc. Can be mentioned. In addition, these cosmetics are usually constructed by arbitrarily selecting and combining them from raw materials for cosmetics as desired.

Furthermore, moisturizers commonly used in addition to the above-mentioned components essential to the present invention, for example, propylene glycol, 1,3-
Polyhydric alcohols such as butylene glycol, glycerin and polyethylene glycol, organic acids and salts thereof such as PCA soda and sodium lactic acid, peptides or proteins such as collagen and elastin, sugars such as sucrose, sorbitol and maltitol, and placenta Natural products such as extracts and other amino acids can be appropriately used.

EXAMPLES Next, the present invention will be further described with reference to examples.
These do not limit the invention in any way.

Example [1] Cream (prescription) (% by weight) (1) N-stearoyl-L-glu 1.5 tamamic acid (2) cetanol 3.0 (3) cetyl palmitate 3.0 (4) lanolin 3.0 (5) liquid paraffin 15.0 ( 6) Lipophilic Glycerol monostearate 2.0 Serine (7) Polyethylene monostearate 1.0 N glycol (10 EO) (8) Sodium hydroxide 0.01 (9) 1,3-Butylene glycol 11.5 (10) Elastin 1.0 (11) Yeast extract 0.01 (12) Hyaluronan protein complex 2.0 (3% solution) (13) Aloe extract 1.0 (14) Perfume 0.1 (15) Preservative 0.1 (16) Purified water Remaining amount (production method) A (1) ~ (7) is mixed and dissolved by heating.

B (8) to (15) are mixed and dissolved by heating.

After adding B to CA, emulsifying and cooling, (16) is added to obtain a cream.

The cream of Example [1] obtained as described above has a very high moisturizing effect, and has a moist feeling on the skin after use,
It imparted smoothness and elasticity to the skin, felt firmness, and had the effect of preventing rough skin.

Example [2] Pack (prescription) (% by weight) (1) Polyvinyl alcohol (43.0 cp) 10.0 (2) Polyvinyl alcohol (5.3 cp) 10.0 (3) 1,3-butylene glycol 10.0 (4) Ethanol 5.0 (5 ) Xanthan gum 5.0 (6) Hyaluronic acid solution (3% solution) 1.0 (7) Yeast extract 1.0 (8) Purified water residual amount (production method) A (1) to (8) are mixed, heated and dissolved, and then cooled. Get the pack.

The pack of Example [2] obtained as described above has an extremely high moisturizing effect, makes the skin soft after use, has a moist feeling on the skin, gives the skin smoothness and elasticity, and feels firmness. It was something that was

Example [3] Lotion (prescription) (% by weight) (1) Squalane 0.03 (2) Jojoba oil 0.04 (3) Polyoxyethylene polyoxy 0.4 Cypropylene cetyl ether (20E.O., 8 PO) (4) Monopyroglutamic acid monoiso 1.3 Polyoxyethylene stearate Hydrogenated castor oil (40 EO) (5) Ethanol 5.0 (6) Collagen 0.1 (7) 1,3-Butylene glycol 5.0 (8) Elastin 1.0 (9) Yeast extract 0.1 (10 ) Hyaluronic acid 0.2 (11) Toki extract 0.5 (12) Purified water balance (production method) A (1) to (4) are heated and dissolved, and then mixed with (5).

B (6) to (12) are mixed and dissolved.

CA is added to B and mixed with stirring to obtain a lotion.

The lotion of Example [3] obtained as described above has an extremely high moisturizing effect, has a moist feeling on the skin after use, imparts smoothness and elasticity to the skin, feels firmness and rough skin. It had an effect of prevention.

[Effects of the Invention] The present invention uses yeast and / or yeast extract and mucopolysaccharides as essential active ingredients in combination, and by adding a specific plant extract or microorganism-produced polysaccharide to these ingredients, This is because a cosmetic having synergistic action effects and having an extremely excellent effect on moisturizing the skin was obtained.

Therefore, when the cosmetic of the present invention is used, the metabolism of the skin is activated, and the skin retains moisture, imparts elasticity, flexibility, and wettability to the skin, and prevents drying and rough skin. Can be obtained.

That is, according to the present invention, it has become possible to provide an extremely useful cosmetic composition which has an unprecedentedly excellent moisturizing effect and is excellent in skin protection, water retention and skin improvement.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-52-54035 (JP, A) JP-A-53-142515 (JP, A) European patent 126364 (EP, A) Extra edition of Fragrance Journal No. 4 (1983) P. 102-108 Fragrance Journal Extra edition No. 1 (1979) P. 43-48

Claims (1)

[Claims] 1. Yeast and / or yeast extract 0.0001 to 20% by weight and mucopolysaccharide 0.0001 to 5% by weight are contained as essential components, and further quince, farfara, fenugreek, artenia, mallow, aloe, dio, Toki, 0.001 to 20% by weight of plant extract selected from algecoloid and /
Alternatively, 0.0001 to 20% by weight of a microbial-produced polysaccharide selected from curdlan, xanthan gum, and pullulan is blended.