KR20200140005A - Gommage Type Cosmetic Composition for Exfoliating skin - Google Patents

Abstract

The present invention relates to a gommage type cosmetic composition for exfoliating keratin, including a mixture of microcrystalline cellulose and polyol, and more specifically, to a gommage type cosmetic composition for exfoliating keratin, which improves skin moisturizing power, and includes a mixture of microcrystalline cellulose and polyol having an effect of alleviating skin irritation reaction by controlling a keratin exfoliation rate, as an active ingredient.

Description

Gommage Type Cosmetic Composition for Exfoliating skin}

The present invention relates to a cosmetic composition for exfoliating gommage type comprising a mixture of microcrystalline cellulose and polyol, and more particularly, to a microcrystalline microcrystalline having the effect of improving skin moisturizing power and reducing the skin irritation reaction by controlling the exfoliation rate. It relates to a cosmetic composition for exfoliating keratin containing a mixture of cellulose and polyol as an active ingredient.

The stratum corneum (Corneum) in the skin is composed of 10 to 20 layers of dead cells, intercellular lipids, and natural moisturising factors (NMF) that exist on the outermost part of the skin. The stratum corneum protects the skin from external contaminants and plays an important role in preventing moisture loss in the skin.

In the case of a healthy person, the turn-over cycle of the stratum corneum of the skin is about 4 weeks after a certain period of time, the old stratum corneum is naturally peeled off and a new stratum corneum is formed. However, due to internal factors such as aging or external factors such as ultraviolet rays, this turnover period is prolonged and unbalanced, the stratum corneum becomes old and layered, the skin becomes dull, the skin tone becomes uneven, and the skin becomes keratinized. Occurs. Therefore, it is necessary to continuously remove the stratum corneum within a certain period.

Conventional cosmetics for exfoliating skin are largely represented in two types.

The first type relates to a cosmetic composition for chemical exfoliation, which uses α-hydroxy acid (AHA) or β-hydroxy acid (BHA), salicylic acid, and mixtures containing them. There is a formulation that removes dead skin cells by chemically dissolving dead skin cells or shortening the turnover cycle of the skin (see Patent Document 1). Such a chemical exfoliating cosmetic composition is simple in terms of use, and a certain degree of exfoliating effect can be obtained when used for a certain period of time, but a cosmetic composition for exfoliating a chemically active substance (e.g., pH 1.0 to 3.0) with a very low pH Since it is used as a major active ingredient of the skin, it has a disadvantage of causing side effects such as skin irritation.

The second type relates to a cosmetic composition for physical exfoliation, and is a type that physically removes dead skin cells using organic or inorganic powders such as wax or scrub or exfoliating powder in a cream or gel-type formulation. There is a formulation of (see Patent Document 2). These physical exfoliating cosmetic compositions have no chemical skin side effects than chemical exfoliating formulations, but because they are forcibly peeling off dead skin with wax or scrub to remove dead skin cells, damage to the pores and skin pain are induced, and after exfoliation. It has an inconvenient disadvantage of having to deal with peeled dead skin cells.

In addition, both chemical and physical exfoliating cosmetic compositions keep the skin clean by preventing skin keratinization, which is the biggest cause of skin roughness, unbalanced skin tone, and keratinization. There is a problem in that there is phosphorus irritation, physical irritation, or risk of storage and takes a long time to use.

Accordingly, there is a need for a means capable of increasing the skin moisturizing power of the cosmetic composition for exfoliating skin and reducing skin irritation.

Patent Registration No. 10-1008703 (Registration date: January 10, 2011) Patent Publication No. 10-2015-0043910 (Publication date: April 23, 2015)

The present inventors have made every effort to develop a cosmetic composition that can efficiently achieve skin exfoliation while minimizing skin irritation, that is, a cosmetic composition that reduces physical irritation to the skin with the effect of easily removing dead skin cells. It was found that the cosmetic composition of Gomage type containing a mixture of cellulose and polyol as an active ingredient improves skin moisturizing power and has an excellent effect of alleviating skin irritation reaction by controlling the exfoliation rate.

Accordingly, it is an object of the present invention to alleviate the skin irritation reaction by controlling the rate of exfoliation while improving the skin moisturizing power and improving the skin moisturizing power, preferably, a Gomage type exfoliating cosmetic composition comprising a mixture of microcrystalline cellulose and polyol as an active ingredient. It is to provide a cosmetic composition for removing mage type dead skin cells.

In order to achieve the above object, the present invention provides a cosmetic composition for exfoliating Gomage type comprising a mixture of microcrystalline cellulose and polyol as an active ingredient.

The present invention also provides a Gomage type cosmetic composition for improving skin condition, preferably a Gomage type skin moisturizing cosmetic composition and a Gomage type cosmetic composition for alleviating skin irritation reaction, comprising a mixture of microcrystalline cellulose and polyol as an active ingredient. to provide.

The Gomage type cosmetic composition comprising a mixture of microcrystalline cellulose and polyol according to the present invention as an active ingredient may provide an effect of improving skin moisturizing power and reducing skin irritation by controlling the exfoliation rate.

1 is a photograph showing the shape of each composition after placing a certain amount (1 g) on a glass plate of each of the compositions of Example 5 and Comparative Example 5 according to the present invention.
Figure 2 is the shape of each composition of each composition in Example 5 and Comparative Example 5 according to the present invention after application to the skin, immediately before rubbing (right after skin application) and after rubbing (formation of keratin gommage) It is a picture showing whether it is formed.

Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by an expert skilled in the art to which the present invention belongs. In general, the nomenclature used in this specification is well known and commonly used in the art.

Hereinafter, the present invention will be described in more detail.

In this specification, the term "about" used to express length, area, volume, time (period), concentration, content, temperature, etc. means that there is a tolerance of up to 10% in the corresponding value or numerical range.

In one aspect, the present invention is a cosmetic composition for exfoliating Gomage type comprising a mixture of microcrystalline cellulose and polyol as an active ingredient, preferably a cosmetic composition for exfoliating Gomage type having skin moisturizing and skin irritation response alleviation effect About.

The Gommage-type cosmetic composition for exfoliating skin causes Gommage peeling, which adsorbs and removes dead skin cells and impurities on the surface of the skin while the cosmetic composition is pushed out as if when the cosmetic composition is applied to the skin and rubbed. It features.

The microcrystalline cellulose (MCC) is partially depolymerized and purified by acid-decomposing α-cellulose obtained from the pulp of a fibrous plant, and the microcrystalline cellulose has a basic structure of cellulose, and its type is not particularly limited. , Avicel (PH-100, PH-101, PH-102, PH-103, PH-105, PH-112, PH-113, PH-200, PH-300, PH-302), Vivacel ( Vivacel) (101, 102, 12, 20), Emcocel (50M, 90M), etc. All commercially available grades may be included.

The microcrystalline cellulose may have a particle size of 1 to 100 μm, most preferably 1 to 50 μm.

The content of the microcrystalline cellulose is 0.01 to 50% by weight, preferably 1 to 40% by weight, most preferably 2 to 50% by weight, based on the total weight of the composition, taking into account the usage limit according to the rules on cosmetic safety. It may be 25% by weight, and if the content of the microcrystalline cellulose is less than 0.01% by weight based on the total weight of the composition, it may not exhibit the desired exfoliation, skin moisturizing power improvement and skin irritation response alleviation effect as a cosmetic, and microcrystalline in the composition If the content of cellulose exceeds 50% by weight based on the total weight of the composition, it cannot be sufficiently dispersed in the cosmetic formulation, so it cannot be stably blended and dispersed with other ingredients of the cosmetic formulation, and excessive skin irritation when applied to the skin There may be problems with the stability of the back.

The polyol is a polyol having 2 or more, preferably 2 to 6 hydroxyl groups, such as sorbitol, ethylene glycol, polyethylene glycol, and propylene glycol , Polypropylene Glycol, Dipropylene Glycol, 1,3-Butylene Glycol, Glycerin, Glycerol, Propanediol, Ethylhexanediol Ethyl Hexanediol), 1,2-hexanediol (1,2-Hexanediol) and pentylene glycol (Pentylene Glycol) may be one or more selected from the group containing, but is not limited thereto, most preferably glycerin and It is a mixture of propanediol.

The content of the polyol is 0.01 to 70% by weight, preferably 1 to 50% by weight, most preferably 5 to 40% by weight, based on the total weight of the composition, in consideration of the usage limit according to the rules on cosmetic safety. It may be a weight %, and if the content of the polyol is less than 0.01% by weight based on the total weight of the composition, it cannot exhibit the desired exfoliation, skin moisturizing power and skin irritation relief effect as a cosmetic, and the content of the polyol in the composition is If it exceeds 70% by weight based on the total weight of the composition, it cannot be sufficiently dissolved in the cosmetic formulation, so it cannot be stably blended and dispersed with other ingredients of the cosmetic formulation, and when applied to the skin, there is a problem in stability such as excessive skin irritation. There may be.

The mixture of microcrystalline cellulose and polyol may be a mixture of microcrystalline cellulose and polyol most preferably in a weight ratio of 2 to 25: 5 to 25.

The composition is a moisturizing agent (polyol, etc.), oil, wax, viscosity modifier, thickener, pH adjuster, fat, organic solvent, solubilizer, thickening agent, gelling agent, emollient, antioxidant, suspending agent, stabilizer, foaming agent ), fragrances, surfactants, ionic emulsifiers, nonionic emulsifiers, fillers, sequestering agents, chelating agents, preservatives, vitamins, wetting agents, dyes, pigments, hydrophilic activators, lipophilic activators, lipid vesicles or It may contain adjuvants commonly used in the field of cosmetology or dermatology, such as any other ingredients commonly used in cosmetics. The adjuvant is introduced in an amount generally used in the field of cosmetics or dermatology. In addition, the composition of the present invention may include a material that promotes skin absorption in order to increase the effect of improving skin conditions.

In addition, the composition usually contains water in addition to the above-described components. As water, it is preferable to use purified water such as ion-exchanged water or distilled water, and the content thereof is not particularly limited, and any amount capable of sufficiently dissolving or dispersing each component contained in the composition may be used.

The composition is any selected from the group consisting of exfoliating gel, sun cream, foundation, BB cream, concealer, exfoliating powder, two-way cake, primer, pact, lotion, nourishing cream, massage cream, cleansing cream, patch, and pack It may be formulated as one, but is not limited thereto.

Hereinafter, the present invention will be described in more detail through examples. These examples are for illustrative purposes only, and it will be apparent to those of ordinary skill in the art that the scope of the present invention is not construed as being limited by these examples.

[ Manufacturing example One] Containing a mixture of microcrystalline cellulose and polyol Cosmetic Preparation of the composition

Using commercially available microcrystalline cellulose having an average particle size of 25 μm, natural cellulose having an average particle size of 55 μm, glycerin, propanediol and EDTA (Ethylenediaminetetraacetic acid), the compositions of Examples 1 to 9 and Comparative Examples 1 to 15 were prepared. It was prepared in the composition of the following Tables 1 to 4 (unit: wt%).

Ingredients (unit: wt%) Example 1 Example 2 Example 3 Example 4 Example 5 Example 6 Microcrystalline cellulose 2.00 2.00 2.00 7.00 7.00 7.00 Natural cellulose - - - - - - glycerin 2.50 7.50 12.50 2.50 7.50 12.50 Propanediol 2.50 7.50 12.50 2.50 7.50 12.50 EDTA, 2Na 0.05 0.05 0.05 0.05 0.05 0.05 Purified water Balance Balance Balance Balance Balance Balance

Ingredients (unit: wt%) Example 7 Example 8 Example 9 Comparative Example 1 Comparative Example 2 Comparative Example 3 Microcrystalline cellulose 25.00 25.00 25.00 - - - Natural cellulose - - - 2.00 2.00 2.00 glycerin 2.50 7.50 12.50 2.50 7.50 12.50 Propanediol 2.50 7.50 12.50 2.50 7.50 12.50 EDTA, 2Na 0.05 0.05 0.05 0.05 0.05 0.05 Purified water Balance Balance Balance Balance Balance Balance

Ingredients (unit: wt%) Comparative Example 4 Comparative Example 5 Comparative Example 6 Comparative Example 7 Comparative Example 8 Comparative Example 9 Microcrystalline cellulose - - - - - - Natural cellulose 7.00 7.00 7.00 25.00 25.00 25.00 glycerin 2.50 7.50 12.50 2.50 7.50 12.50 Propanediol 2.50 7.50 12.50 2.50 7.50 12.50 EDTA, 2Na 0.05 0.05 0.05 0.05 0.05 0.05 Purified water Balance Balance Balance Balance Balance Balance

Ingredients (unit: wt%) Comparative Example 10 Comparative Example 11 Comparative Example 12 Comparative Example 13 Comparative Example 14 Comparative Example 15 Microcrystalline cellulose 2.00 7.00 25.00 - - - Natural cellulose - - - - - - glycerin - - - 2.50 7.50 12.50 Propanediol - - - 2.50 7.50 12.50 EDTA, 2Na 0.05 0.05 0.05 0.05 0.05 0.05 Purified water Balance Balance Balance Balance Balance Balance

[ Test example One] Containing a mixture of microcrystalline cellulose and polyol Cosmetic Keratin in the composition Gomage According to formation Gomage Peeling effect evaluation

It was visually checked whether the composition of Examples 1 to 9 and Comparative Examples 1 to 15 prepared in Preparation Example 1 had a shape of Gomage before skin application.

As a result, as shown in FIG. 1, the composition of Example 5 exhibited a Gomage shape, while the composition of Comparative Example 5 exhibited a gel-like shape. On the other hand, the compositions of Examples 1 to 4 and Examples 6 to 9 showed the same gomage shape as the composition of Example 5, and the compositions of Comparative Examples 1 to 4 and Comparative Examples 6 to 15 were It was found to exhibit the same gel-like shape (data not shown).

Next, after applying the composition of each of Examples 1 to 9 and Comparative Examples 1 to 15 in an appropriate amount (0.5 g) to the area to be exfoliated of the subject, rub it, and then, whether or not keratin gomage is formed and the formed keratin is fixed. The content of Mage was measured to evaluate the effect of Gomage peeling.

As a result, as shown in Fig. 2 and Table 5, the skin applied with the compositions of Examples 4 to 6 among the Examples has a high effect of forming keratin gommage, that is, gommage containing keratin, even if lightly rubbed. It was confirmed that the keratin Gomage peeling effect was excellent. The compositions of Examples 4 to 6 differ from the compositions of Comparative Examples 4 to 6, and as the content of polyol in the composition increases, the drying time of Gomage after skin application is longer. It was confirmed to persist. In particular, in the case of Example 6, by containing a high content of polyol, the skin moisturizing effect was increased, but the ability to form keratin gommage and the peeling effect were still excellent, so that a soft keratin gomage peeling was possible.

In the compositions of Comparative Examples 4 to 6, as the content of the polyol in the composition increases, the moisturizing effect increases, while the ability to form Gomage decreases and the scrub effect decreases.In particular, in the case of Comparative Example 6, the effect of forming keratin Gomage decreases significantly. I was able to confirm that there was little effect

In addition, it was confirmed that the compositions of Examples 1 to 3 and Examples 7 to 9 had an effect of peeling keratin equivalent to that of Example 5, and the compositions of Comparative Examples 1 to 3 and Comparative Examples 7 to 15 were compared. It was confirmed that there was a low keratin gomage formation effect equivalent to that of the composition of Example 5 (data not shown).

Ingredient name Example 4 Example 5 Example 6 Comparative Example 4 Comparative Example 5 Comparative Example 6 Time required to dry Gomage Immediately after application 30 minutes 1-2 hours Immediately after application Immediately after application Immediately after application Formation amount of keratin gomage (g) 0.5 0.5 0.5 0.5 0.1 0.05

[ Test example 2] Containing a mixture of microcrystalline cellulose and polyol Cosmetic Composition of Feeling evaluation

Each composition of Examples 1 to 9 and Comparative Examples 1 to 15 prepared in Preparation Example 1 was applied to the skin on a group of 30 subjects to evaluate the feeling of use.

Each subject first took a rest for about 10 minutes after cleansing, and then applied the composition of each of Examples 1 to 9 and Comparative Examples 1 to 15 in an appropriate amount (e.g., 0.5 g) to both cheeks, and then about 10 minutes elapsed. After lightly touching your thumb on the skin area applied in, rub it 200 times for about 2 minutes, and then measure the degree of skin feeling, that is, exfoliation power, foreign body sensation, skin dryness, and skin irritation response (whether skin erythema is produced, etc.) On a 7-point scale for each item, opinions were listened to and scored for each subject, and then the score result of 30 subjects was evaluated as an average value for skin feeling. Here, if the score of each item is high, it means that the exfoliating power, foreign body sensation, skin dryness, and the degree of skin irritation are high, and skin feeling of use was evaluated according to the evaluation criteria shown in Table 6 below.

score Evaluation criteria for skin feeling Exfoliating power Foreign body Skin dryness Skin irritation reaction (whether erythema is produced) 7 Very high Very high Very high Very high
(Erythema, fever, swelling, pain, blisters and bleeding) 6 height height height High (erythema, fever, swelling, pain, and blisters) 5 Slightly high Slightly high Slightly high Slightly high (erythema, fever, swelling, pain) 4 Medium Medium Medium Moderate (erythema, fever, and swelling) 3 Slightly low Slightly low Slightly low Slightly low (erythema and fever) 2 lowness lowness lowness Low (erythema) One Very low Very low Very low Very low (spots) 0 none none none no response

As a result, as shown in Table 7, the composition of Example 5 among Examples was evaluated to have higher exfoliating power, no foreign body sensation, and almost no skin dryness and skin irritation reaction than the composition of Comparative Example 5, thereby improving the feeling of use. It was confirmed that there is an effect. In addition, it was confirmed that the compositions of Examples 1 to 4 and Examples 6 to 9 have an effect of improving the feeling of use equivalent to that of the composition of Example 5, and the compositions of Comparative Examples 1 to 4 and Comparative Examples 6 to 15 are Comparative Example 5 It was confirmed that it exhibited a degree of exfoliation, foreign body sensation, and skin dryness equivalent to that of the composition (data not shown).

Degree of skin feeling Exfoliating power Foreign body Skin dryness Skin irritation reaction Comparative Example 5 4.2 6.2 5.3 3 Example 5 6.5 0 0 0

[ Test example 3] Containing a mixture of microcrystalline cellulose and polyol Cosmetic Composition of the skin Moisturizing power Evaluation of improvement efficacy

The effect of improving skin moisturizing power of each of the compositions of Examples 1 to 9 and Comparative Examples 1 to 15 prepared in Preparation Example 1 was confirmed for a group of 20 subjects. Specifically, the compositions of Examples 1 to 9 were applied to the right arm of each subject, and the compositions of Comparative Examples 1 to 15 were applied to the left arm, and then constant temperature and humidity conditions (24) before application and one day after application. ℃, 40% relative humidity), and then measure the skin moisture content of each subject with a skin moisture meter (Corneometer CM825, C+K Electronic Co, Germany), and then calculate the skin moisture content of 20 subjects as an average value to evaluate whether the skin moisturizing power is improved. I did.

As a result, as shown in Table 8, the composition of Example 5 among Examples was the composition of Comparative Example 5 after application when the increase in the day was expressed as a percentage based on the skin moisture value measured before application of each composition. It was confirmed that the skin moisturizing effect was higher than that. In addition, it was confirmed that the compositions of Examples 1 to 4 and Examples 6 to 9 exhibited a skin moisturizing effect equivalent to that of Example 5, and the compositions of Comparative Examples 1 to 4 and Comparative Examples 6 to 9 were Comparative Example 5 It was confirmed that there is a skin moisturizing effect equivalent to that of the composition of (data not shown).

Skin moisture increase rate (%) Before application (before use) After application and removal (after use) Comparative Example 5 30 16 Example 5 30 36

[ Test example 4] Containing a mixture of microcrystalline cellulose and polyol Cosmetic Evaluation of formulation stability of the composition

In order to check the formulation stability of each of Examples 1 to 9 and Comparative Examples 1 to 15 prepared in Preparation Example 1, 25 mL of each composition was placed in a 100 mL sample container, and then at a temperature range of -10°C to 45°C. The stability of the formulation is evaluated by visually observing whether the composition separation layer is formed while repeating the freezing/thawing process in the above temperature range with a cycle chamber, which is a device whose temperature changes by time, and shaking at a speed of about 185 rpm for 1 week. I did.

As a result, as shown in Tables 9 to 10, it was confirmed that the compositions of Examples 1 to 9 have high formulation stability. Specifically, it was confirmed that the compositions of Examples 1 to 9 containing microcrystalline cellulose as an active ingredient did not form a separation layer regardless of the content of microcrystalline cellulose, and thus formulation stability was high. On the other hand, the compositions of Comparative Examples 7 to 9 containing a high content of natural cellulose did not form a separation layer, so formulation stability was found to be high, but the compositions of Comparative Examples 1 to 6 containing a low content of natural cellulose were separated It was confirmed that formulation stability was low by forming. On the other hand, the compositions of Comparative Examples 10 to 12 that do not contain polyol and the compositions of Comparative Examples 13 to 15 that do not contain microcrystalline cellulose and natural cellulose were found to have high formulation stability.

Formation of separation layer Example 1 No separation layer formed Example 2 No separation layer formed Example 3 No separation layer formed Example 4 No separation layer formed Example 5 No separation layer formed Example 6 No separation layer formed Example 7 No separation layer formed Example 8 No separation layer formed Example 9 No separation layer formed

Formation of separation layer Comparative Example 1 Separation layer formation Comparative Example 2 Separation layer formation Comparative Example 3 Separation layer formation Comparative Example 4 Separation layer formation Comparative Example 5 Separation layer formation Comparative Example 6 Separation layer formation Comparative Example 7 No separation layer formed Comparative Example 8 No separation layer formed Comparative Example 9 No separation layer formed Comparative Example 10 No separation layer formed Comparative Example 11 No separation layer formed Comparative Example 12 No separation layer formed Comparative Example 13 No separation layer formed Comparative Example 14 No separation layer formed Comparative Example 15 No separation layer formed

Taken together, the cosmetic composition comprising a mixture of microcrystalline cellulose and polyol according to the present invention has a high keratin gomage formation effect, so it has excellent gomage peeling effect, as well as a cosmetic use that improves skin conditions, especially reducing skin irritation. And it was confirmed that the feeling of use was excellent by improving the skin moisturizing power.

As described above, specific parts of the present invention have been described in detail, and for those of ordinary skill in the art, it is obvious that these specific techniques are only preferred embodiments, and the scope of the present invention is not limited thereby. something to do. Therefore, it will be said that the practical scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

Gomage type exfoliating cosmetic composition comprising a mixture of microcrystalline cellulose and polyol as an active ingredient. The cosmetic composition of claim 1, wherein the content of the microcrystalline cellulose is 0.01 to 50% by weight, based on the total weight of the composition. The cosmetic composition of claim 1, wherein the content of the polyol is 0.01 to 70% by weight, based on the total weight of the composition. The cosmetic composition of claim 1, wherein the mixture is a mixture of microcrystalline cellulose and polyol in a weight ratio of 2 to 25: 5 to 25. The cosmetic composition of claim 1, wherein the microcrystalline cellulose has a particle size of 1 to 100 μm. The cosmetic composition of claim 1, wherein the polyol is a polyol having two or more hydroxyl groups. According to claim 1, wherein the composition is characterized in that to alleviate the irritation reaction of the skin, Gomage type exfoliating cosmetic composition. The cosmetic composition of claim 1, wherein the composition improves the moisturizing power of the skin.

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