KR20150065232A - A cosmetic composition of transparent oil jelly type having excellent absorptivity and moisturizing ability - Google Patents

Abstract

The present invention relates to a transparent oil gel type cosmetic composition comprising: 1-10 wt% of polyglyceryl-10 stearate; 1-5 wt% of an anionic surfactant, 1-10 wt% of PEG-8 stearate, 1-10 wt% of ethanol, 1-20 wt% of polyol, and 1-50 wt% of oil. According to the present invention, a transparent oil gel type cosmetic composition with a very small-sized particle has significantly improved absorptivity and moisturing ability. In particular, a transparent sun gel comprising ultraviolet light blocking oil as a transparent gel with a small particle can be effectively used in the field.

Description

TECHNICAL FIELD [0001] The present invention relates to a transparent oil gel cosmetic composition having excellent absorption power and moisturizing power,

The present invention relates to a transparent oil gel cosmetic composition, and more particularly, to a transparent oil gel cosmetic composition having a small particle size and excellent absorption ability and moisturizing power, and a method for producing the same.

Human skin has a barrier function to protect the body from various external stimuli while at the same time blocking the inner moisture. To this end, it develops into a thin stratum corneum containing moisture through the process of differentiation in the epidermis of the skin. Structurally, the cells in the stratum corneum act like bricks, and the intercellular lipids of the keratinocytes act as mortar to form the skin barrier.

However, people tend to increase dry skin with age, and the need for skin moisturizers is increasing due to indoor heating and air pollution. To this end, polyhydric alcohols and saccharides have been used as moisturizers in cosmetics as general moisturizing agents. However, there is a drawback that the skin becomes sticky, the skin does not have a sufficient moisturizing effect, and the moisturizing effect is not constant. In addition, in the summer when the humidity is very high, moisture is drawn from the outside and the skin is sticky. In winter, the humidity of the outside air is low, and rather, the water is drawn from the skin, and the skin is dried.

Human skin is very sensitive to relative humidity and usually has a pleasant feel when the relative humidity is 40-70%. Relative humidity, and during the summer when the country as a value showing a ratio of the saturated water vapor content in% at the same temperature and the water vapor contained in the air is very 1m ³ s due to high humidity in winter, it is very dry, the relative humidity is lower atmosphere. People's skin is also affected by seasonal changes and changes in humidity. It is uncomfortable in summer with high temperature and humidity due to high temperature and humidity, and low in relative humidity in dry winter, causing lips and skin to become dry and sometimes cracked or sometimes difficult to breathe. I feel it. When the relative humidity is high, the moisture in the air is absorbed and becomes sticky. On the contrary, when the relative humidity is low, the moisture of the skin is evaporated and dried. In particular, when the relative humidity is low, the dryness of the skin is often accompanied by pulling and itching.

Various cosmetic compositions using various moisturizing agents such as oils, sugars and polyols have been developed to improve the skin dryness. For example, by using ceramide, cholesterol, fatty acid and so on, it strengthens the skin barrier function to suppress the moisture evaporating from the skin or to absorb moisture of the skin by using sugar, polyol and the like, To enhance the moisturizing effect of the skin. However, it is difficult to maintain the effect for a long period of time in a low relative humidity, and it is rather uncomfortable in a summer when the relative humidity is high, making it difficult to produce an appropriate cosmetic composition according to a change in relative humidity. In addition, many skin-related products generally contain substances that can cause irritation or inflammation, so more than 10% of people using personal care products are suffering from side effects, There is an increasing tendency for consumers to feel that their skin is sensitive. In the general consumer consciousness survey, the percentage of respondents who replied that they are sensitive skin is over 30-40%, and this trend continues to increase. Moreover, recent cosmetics tend to focus on functional cosmetics that can give a real effect to the skin, so skin side effects due to the use of personal care products such as cosmetics are expected to increase. In particular, the skin is easily damaged due to environmental pollution, ozone layer damage, drying of living space, personal allergic constitution, stress, and increase of chemical harmful substances. The skin is easily reddened or sensitized.

Korean Patent Laid-Open No. 10-2010-0109783 (the title of the invention: a composition of natural cosmetics for cleansing and exfoliation, moisturizing), and the like. However, the problem of stickiness due to excessive use of polyol have.

Accordingly, the present inventors have continued to research to develop a transparent oil type cosmetic composition having a small particle size and improved absorption power and moisturizing power, while using polyglyceryl-10 stearate as a polyglycerin fatty acid ester and PEG-8 stearate as a secondary emulsifier The present invention was completed by preparing an amphipathic oil type cosmetic composition comprising a nonionic surfactant composed of polyglyceryl-10 stearate / PEG-8 stearate and a glutamate derivative grafted to the glycerin skeleton as an anionic surfactant. Respectively.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a transparent oil-type cosmetic composition excellent in absorption power and moisturizing power.

Another object of the present invention is to provide a process for preparing the transparent oil-type cosmetic composition.

In order to solve the above-mentioned technical problems, the present invention provides a process for producing polyglycerol-10 stearate, which comprises 1 to 10 wt% of polyglycerin-10 stearate, 1 to 5 wt% of an anionic surfactant, 1 to 10 wt% of PEG- , 1 to 20% of a polyol and 1 to 50% by weight of an oil.

The present invention also provides a process for preparing a transparent oil gel cosmetic composition, which comprises the steps of:

(S1) 1 to 10% by weight of polyglycerin-10 stearate, 1 to 5% by weight of an anionic surfactant, 1 to 10% by weight of PEG-8 stearate, 1 to 10% by weight of ethanol, Mixing and heating to a temperature of 80 to 100 占 폚;

(S2) adding 1 to 50% by weight of an oil to the mixture to emulsify; And

(S3) passing the emulsion through a high-pressure homogenizer followed by cooling and defoaming.

As described above, the transparent oil gel cosmetic composition according to the present invention has remarkably improved water absorption and moisturizing ability due to its very small particle size. In addition, it has a transparent gel having a small particle size, in particular, a transparent sun gel containing ultraviolet barrier oil And it is expected that it can be very usefully used in the art.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate exemplary embodiments of the invention and, together with the description of the invention, It should not be construed as limited.
Fig. 1 shows the result of measuring the particle distribution of the transparent oil gel cosmetic composition according to the present invention.
FIG. 2 is a freeze-fracture scanning electron microscopy photograph of a transparent oil gel cosmetic composition according to the present invention to be frozen. FIG.
3 is a graph showing moisture resistance of a transparent oil gel cosmetic composition according to the present invention.

The transparent oil gel cosmetic composition of the present invention comprises 1 to 10 wt% of polyglycerin-10 stearate, 1 to 5 wt% of an anionic surfactant, 1 to 10 wt% of PEG-8 stearate, 1 to 10 wt% of ethanol, By weight to 20% by weight, and 1 to 50% by weight of oil.

In the transparent oil gel cosmetic composition of the present invention, the polyglycerin-10 stearate is a polyglycerin fatty acid ester, and the polyglycerin fatty acid ester is a fatty acid stellified with polyglycerin polymerized with glycerin, and the degree of polymerization of glycerin is 2 to 10 There are many kinds of products depending on the polymerization degree of glycerin, kind of fatty acid, degree of esterification. The higher the degree of polymerization of glycerin, the lower the carbon number of the fatty acid, the lower the degree of esterification, the more hydrophilic emulsifier becomes, and in the opposite case, it is used as a lipophilic emulsifier.

Preferably, the transparent oil gel cosmetic composition of the present invention is characterized by containing 1 to 10% by weight of polyglycerin-10 stearate.

When the amount of the polyglycerin-10 stearate is less than 1% by weight, the emulsifying power of the cosmetic composition is deteriorated, and when it is used in an amount exceeding 10% by weight, the feeling of use is reduced.

The anionic surfactant used in the transparent oil gel cosmetic composition of the present invention may be selected from the group consisting of sodium stearoyl glutamate, disodium stearoyl glutamate, sodium auroyl glutamate, sodium lauryl glucose carboxylate, sodium methylcocoyl taurate and sodium cetyl Phosphate, < / RTI >

The anionic surfactant is a hydrophilic group having an anionic charge, and the hydrophilic group in water is dissociated into anion. It is excellent in cleansing action and bubble forming action and is widely used in soap, shampoo and cleansing foam. Anionic surfactants obtained by chemical synthesis from petroleum byproducts contain strong detergency, skin irritation, and potential carcinogens, but vegetable anionic surfactants are not harmful to the human body and are readily degraded in nature, which is good for the environment.

Preferably, the transparent oil gel cosmetic composition of the present invention contains an anionic surfactant in an amount of 1 to 5% by weight, and if the use range is out of the above range, the desired effects of the present invention are hardly obtained.

 The transparent oil gel cosmetic composition of the present invention is used as an auxiliary emulsifier in an amount of 1 to 10% by weight of PEG-8 stearate, and is used in an amount of 1 to 10% by weight of ethanol used in common cosmetics. It is difficult to obtain the desired effect of the present invention when the use range is exceeded.

The 'polyol' used in the transparent oil gel cosmetic composition of the present invention may mean a polyhydric alcohol, that is, an aliphatic compound having two or more hydroxyl groups (-OH). The one having two hydroxyl groups is called glycol or diol, the one having three hydroxyl groups is called glycerol and the one having four hydroxyl groups is called pentaerythritol.

According to a preferred embodiment of the present invention, the polyol is selected from the group consisting of sorbitol, polyethylene glycol, polypropylene glycol, dipropylene glycol, propylene glycol, Butylene glycol (1,3-BUTYLENE GLYCOL), GLYCERIN, PROPANEDIOL, ETHYL HEXANEDIOL, 1,2-HEXANEDIOL, / Polybutylene glycol-8/5/3 glycerin (PEG / PPG / POLYBUTYLENE GLYCOL-8/5/3 GLYCERIN) and pentyleneglycol (PENTYLENE GLYCOL), more preferably glycerin, propylene Butylene glycol, dipropylene glycol, and polyethylene glycol, most preferably selected from the group comprising glycol, ethyl hexanediol, propanediol, 1,3-butylene glycol, sorbitol, and polyethylene glycol, and most preferably glycerin, propylene glycol, Ha May be selected from the group.

The polyol component serves as a moisturizing agent and an emulsifying aid, and is contained in an amount of 1 to 20 wt% of the polyol. When the content of the polyol component is less than 1 wt%, the emulsifying power and moisturizing power are lowered. %, The feeling may be lowered.

The oil used in the transparent oil gel cosmetic composition of the present invention may be ordinary oil or ultraviolet barrier oil.

In the transparent oil gel cosmetic composition of the present invention, it is preferable that the oil is used in an amount of 1 to 50% by weight, and if it is out of the above range, the desired effect of the present invention can not be obtained.

Examples of the common oils are silicone oil, soybean oil, olive oil, sunflower oil, macadamia nut oil, or a mixture of cetyl ethylhexanoate, octyldodecanol, caprylic / capric triglyceride, C12-15 alkylbenzoate And hydrogenated polydecenes.

Examples of the ultraviolet barrier oil include ethylhexylmethoxycinnamate, ethylhexylsalicylate, butylmethoxydibenzoylmethane, bis-ethylhexyloxyphenol methoxyphenyltriazine, phenylbenzimidazole sulfonic acid, octocrylene, Ethylhexyltriazone.

One preferred embodiment of the present invention is a process for the preparation of a composition comprising 7.50% by weight ethylhexylmethoxycinnamate, 5.00% by weight ethylhexylsalicylate, 3.00% by weight butylmethoxydibenzoylmethane, 3.00% by weight bishexyloxyphenolmethoxyphenyltriazine, And 4.00% by weight of phenylbenzimidazole sulfonic acid.

A preferred embodiment of the present invention is also characterized in that 5.00% by weight of ethylhexylsalicylate, 5.00% by weight of octocrylene, 2.50% by weight of ethylhexyltriazone, 2.70% by weight of butylmethoxydibenzoylmethane and 7.50% by weight of ethylhexylmethoxycinnamate 7.50 By weight of an ultraviolet shielding oil.

Examples of the other oils include benzophenone-3, isoamyl p-methoxy cinnamate, diethylaminohydroxybenzoylhexyl benzoate, diethylhexylbutamidotriazone, polysilicon-15 and dromatolisol trisiloxane .

The present invention also provides a process for preparing a transparent oil gel cosmetic composition, which comprises the following steps:

(S1) 1 to 10% by weight of polyglycerin-10 stearate, 1 to 5% by weight of an anionic surfactant, 1 to 10% by weight of PEG-8 stearate, 1 to 10% by weight of ethanol, Mixing and heating to a temperature of 80 to 100 占 폚;

(S2) adding 1 to 50% by weight of an oil to the mixture to emulsify; And

(S3) passing the emulsion through a high-pressure homogenizer followed by cooling and defoaming.

The transparent oil gel cosmetic composition of the present invention can be used in all emulsion compositions for skin care, sun care, body care, hair care, and make-up.

The cosmetic composition of the present invention may further contain a colorant, a coloring agent, a preservative, a bactericide, an oxidative stabilizer, a pearl agent and the like within a range that does not deteriorate the effect of the composition other than the above-mentioned components.

The transparent oily gel cosmetic composition according to the present invention has a remarkably small particle size, which not only remarkably improves the absorbency and moisture retention, but also can produce a transparent sun gel containing a small amount of ultraviolet barrier oil, It is expected to be very useful in.

Hereinafter, embodiments of the present invention will be described in detail to facilitate understanding of the present invention. However, the embodiments according to the present invention can be modified into various other forms, and the scope of the present invention should not be construed as being limited to the following embodiments. Embodiments of the invention are provided to more fully describe the present invention to those skilled in the art.

Example 1: Preparation of transparent oil gel cream

As shown in the following Table 1, polyglycerin-10 stearate, sodium stearoyl glutamate, PEG-8 stearate, glycerin and purified water, DPG and ethanol were dissolved by heating at 80 ° C or higher, , And then cooled and defoamed to obtain a transparent oil gel.

Oil gel (%) Polyglycerin-10 stearate 3.00 Sodium stearoyl glutamate 3.00 PEG-8 Stearate 3.00 glycerin 3.00 ethanol 10.00 DPG 7.00 Purified water The amount to be 100 oil 5.00-40.00

Example 2 : Preparation of a transparent oil gel cream containing an ultraviolet blocking oil

As shown in the following Table 2, polyglycerin-10 stearate, sodium stearoyl glutamate, PEG-8 stearate, glycerin, purified water, DPG and ethanol were dissolved by heating at 80 ° C or higher, The mixture was passed through the homogenizer at 1,000 bar for 5 consecutive times, followed by cooling and defoaming to obtain a transparent oil gel cream.

Polyglycerin-10 stearate 3.00 Sodium stearoyl glutamate 3.00 PEG-8 Stearate 3.00 glycerin 3.00 ethanol 10.00 DPG 7.00 Purified water The amount to be 100 Sunscreen oil 5.00-40.00

≪ Test Example 1 > Analysis of particle characteristics of a transparent oil gel

The particle distribution was measured using Photal, ELS-Z, and the results are shown in Fig. As shown in FIG. 1, it can be seen that the particle size of the transparent oil gel cream prepared in Example 1 is 121 nm.

2 shows a photograph of the transparent oil gel cream prepared in Example 1 using a freeze-fracture scanning electron microscope to be frozen.

As shown in FIG. 2, it can be seen that the oil gel is well formed.

<Test Example 2> Sensory evaluation of transparent oil gel

As a comparison with the transparent oil gel cream of Example 1 above, it was used for 20 women panels of 20-60 years old using general transparent gel cream (containing 0.5 g of carbomer), and the stability, Flexibility, stickiness, oiliness and firmness of the product. The good case was taken as 10 points and the bad case as 0 point. The results are shown in Table 3 below.

Example 1 Comparative group stability 9 2 Stickiness 9 2 Spreadability 8 3 Absorbency 9 2 Softness 8 3 flexibility 9 3 Stickiness 9 3 Oiliness 8 5 Ruggedness 9 One

As shown in Table 3, when the transparent oil gel cream of the present invention was used, it was evaluated in terms of stability, tackiness, spreadability, absorbency, softness, flexibility, fixability, oiliness and rigidity.

&Lt; Test Example 3 > Evaluation of moisture resistance of a transparent oil gel

The transparency of the oil-gel cream of Example 1 was measured using CORNEOMETER CM850, and the moisture resistance was measured. As a control group, normal transparent gel cream (containing 0.5 g of carbomer) was used and cream was not applied as a control group.

The results are shown in Fig. As shown in FIG. 3, the transparent oil gel cream of the present invention not only has superior moisturizing power as compared with the control group, but also has a remarkably high moisturizing power as compared with a general transparent gel cream.

As described above, the transparent oil gel cosmetic composition according to the present invention has remarkably improved water absorption and moisturizing ability due to its very small particle size. In addition, it has a transparent gel having a small particle size, in particular, a transparent sun gel containing ultraviolet barrier oil And it is expected that it can be very usefully used in the art.

Claims (8)

1 to 10 wt% of polyglycerin-10 stearate, 1 to 5 wt% of an anionic surfactant, 1 to 10 wt% of PEG-8 stearate, 1 to 10 wt% of ethanol, 1 to 20 wt% Lt; RTI ID = 0.0 &gt;% &lt; / RTI &gt; by weight. The method according to claim 1,
Wherein the anionic surfactant is at least one selected from the group consisting of sodium stearoyl glutamate, disodium stearoyl glutamate, sodium auroyl glutamate, sodium lauryl glucose carboxylate, sodium methylcocoyl taurate and sodium cetyl phosphate By weight based on the total weight of the cosmetic composition. The method according to claim 1,
Wherein the polyol is at least one selected from the group consisting of butylene glycol, dipropylene glycol, propylene glycol, and glycerin. The method according to claim 1,
Wherein the oil is selected from the group consisting of silicone oil, soybean oil, olive oil, sunflower oil, macadamia nut oil, and cetyl ethylhexanoate, octyldodecanol, caprylic / capric triglyceride, C12-15 alkyl benzoate, and hydrogenide Polydecene. &Lt; / RTI &gt; The method according to claim 1,
The oil contained 7.50% by weight of ethylhexylmethoxycinnamate, 5.00% by weight of ethylhexylsalicylate, 3.00% by weight of butylmethoxydibenzoylmethane, 3.00% by weight of bis-ethylhexyloxyphenolmethoxyphenyltriazine, And 4.00% by weight of sulfonic acid. The method according to claim 1,
The oil is composed of 5.00% by weight of ethylhexylsalicylate, 5.00% by weight of octocrylene, 2.50% by weight of ethylhexyltriazone, 2.70% by weight of butylmethoxydibenzoylmethane and 7.50% by weight of ethylhexylmethoxycinnamate Lt; / RTI &gt; cosmetic composition. The method according to claim 1,
Wherein the cosmetic composition is for ski care, sun care, body care, hair care or make-up. A method for preparing a transparent oil gel cosmetic composition according to claim 1, comprising the steps of:
(S1) 1 to 10% by weight of polyglycerin-10 stearate, 1 to 5% by weight of an anionic surfactant, 1 to 10% by weight of PEG-8 stearate, 1 to 10% by weight of ethanol, Mixing and heating to a temperature of 80 to 100 占 폚;
(S2) adding 1 to 50% by weight of an oil to the mixture to emulsify; And
(S3) passing the emulsion through a high-pressure homogenizer followed by cooling and defoaming.

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