KR20190062947A - Uv protecting cosmetic composition - Google Patents

Abstract

The present invention relates to a UV blocking cosmetic composition. Particularly, according to the present invention, it is possible to provide a highly stable water-in-oil type formulation despite containing high content of siloxane-based elastomer polymers. Further, according to the present invention, with soft feeling in use, it is possible to simultaneously provide an excellent UV blocking effect and an immediate skin texture improving effect, and to satisfy a user′s aesthetic sense and feeling in use with a differentiated appearance.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a cosmetic composition for ultraviolet screening (UV Protecting COSMETIC COMPOSITION)

The present invention relates to a cosmetic composition for blocking ultraviolet rays.

In recent years, outdoor activities have been increasing due to increased leisure time and increased interest in health. Especially, as the risk of exposure to sunlight is known, consumers are very interested in UV protection products. Accordingly, products having various Sun Protection Factor (SPF) and Protection Factor in UVA (PFA) are being marketed.

In general, ultraviolet screening products are largely classified into water in oil (W / O) or water in water (O / W) depending on their constituents and their contents. In the case of water-in-oil type, it is excellent in water resistance and persistence, but it is disadvantageous in that it is heavy because of the oil component of the trauma, and is poor in spreadability due to the feeling of skin application. In the case of an underwater type, it is excellent in spreadability, and it is possible to give a feeling of fresh feeling due to moisture of the trauma, but it is disadvantageous in that there is a limit to persistence of effect due to perspiration or water because of insufficient water resistance.

On the other hand, in order to realize a high ultraviolet shielding effect, excessive organic sunscreen agents are used, which causes a problem of impairing the feeling of use feeling, such as giving a feeling of shine or numbness.

Accordingly, there is a need for an ultraviolet screening product capable of realizing excellent ultraviolet screening effect and at the same time improving the feeling of use feeling as well as improving the above-described problems.

As a part of such studies, the present inventors intend to introduce a high-content siloxane-based elastomer polymer in order to realize a high ultraviolet shielding effect with excellent water resistance and durability, which is an advantage of a water-in-oil cosmetic composition for UV shielding, .

However, siloxane-based elastomer polymers generally have poor compatibility with organic UV screening agents and are disadvantageous in terms of time-dependent stability (e.g., phase separation) over time.

In order to solve such a problem with respect to time stability, the inventors of the present invention intensified a combination of a predetermined siloxane-based elastomer polymer and an organic UV-blocking agent. As a result, it has been confirmed that a highly stable formulation can be realized in spite of the use of a high-content siloxane-based elastomer polymer, and that a water-in-oil type cosmetic composition for UV shielding which can realize differentiated appearance can be provided Thereby completing the invention.

It is an object of the present invention to provide a stable water-in-oil cosmetic composition for ultraviolet shielding containing a high content of a siloxane-based elastomer polymer.

Another object of the present invention is to provide a cosmetic composition for ultraviolet ray shielding which can impart an excellent ultraviolet shielding effect and an immediate skin texture improving effect with a unique feeling of use.

It is still another object of the present invention to provide a cosmetic composition for ultraviolet ray shielding which can provide a differentiated appearance by showing various colors according to the angle of light.

For the above-mentioned purposes, the present invention may include the following means.

One aspect of the present invention is a cosmetic composition for UV screening comprising a siloxane-based elastomer polymer containing a hydrophilic polyalkylene oxide block and an organic ultraviolet screening agent, wherein the composition is a salicylate compound, a dibenzoylmethane compound, And an organic UV blocking agent which is mixed with two or more selected from the above-mentioned organic UV blocking agents.

The UV-blocking cosmetic composition according to one embodiment of the present invention may satisfy the following relational expression (1).

[Relation 1]

0.3? [(T _S ) / (T _S + T _D + T _A )]? 0.6

[In the above formula 1,

T _S is the weight percent of the salicylate compound based on the total weight of the composition,

T _D is the weight percent of the dibenzoylmethane-based compound based on the total weight of the composition,

T _A is the weight percent of the acrylate based compound based on the total weight of the composition,

However, T _D or T _A may be 0 wt%.]

The cosmetic composition for protecting ultraviolet rays according to one embodiment of the present invention is a salicylate compound selected from ethylhexyl salicylate, tiehye-salicylate, isopropylbenzyl salicylate, and homosalate; Dimethyldibenzoylmethane, 4-methyldibenzoylmethane, 4-methyldibenzoylmethane, 4-methyldibenzoylmethane, 4-methyldibenzoylmethane, , 4'-diisopropylbenzoylmethane, 4-tert-butyl-4'-methoxydibenzoylmethane, 4,4'-diisopropylbenzoylmethane, 2-methyl- Methane, 2-methyl-5-tert-butyl-4'-methoxydibenzoylmethane, and the like; And an acrylate-based compound selected from octocrylene and polyacrylamidomethylbenzylidene camphor, and the like.

The cosmetic composition for UV screening according to an embodiment of the present invention may contain dimethicone / bis-isobutylphosphine-20 crosspolymer, phage-12 dimethicone / phyphage-20 crosspolymer and dimethicone / 15 crosspolymer, and the like.

The cosmetic composition for protecting ultraviolet rays according to an embodiment of the present invention includes a water phase portion including a siloxane-based elastomer polymer including a hydrophilic polyalkylene oxide block and an organic ultraviolet screening agent, and a water phase portion including water and a polyhydric alcohol, And the refractive index difference of the water-receiving portion may be 0.05 or less.

The cosmetic composition for protecting ultraviolet rays according to an embodiment of the present invention comprises an oil phase part comprising 5 to 30% by weight of the siloxane-based elastomer polymer and 5 to 20% by weight of the organic ultraviolet screening agent based on the total weight of the composition. And an aqueous phase containing 20 to 60% by weight of the polyhydric alcohol and a residual amount of water, wherein the refractive index difference (R) between the oil phase part and the water phase part is 0.05 or less.

The cosmetic composition for protecting ultraviolet rays according to an embodiment of the present invention may further include a polar oil in the upper part.

The cosmetic composition for protecting ultraviolet rays according to an embodiment of the present invention may further comprise a water-soluble ultraviolet absorber on the water.

The cosmetic composition for blocking ultraviolet rays according to an embodiment of the present invention may be a paste-type siloxane-based elastomer polymer dispersed in a dispersion medium.

In the cosmetic composition for protecting ultraviolet rays according to an embodiment of the present invention, the siloxane-based elastomer polymer may be in the form of a paste dispersed in a silicone oil such as dimethicone, cyclomethicone, phenyltrimethicone, and cyclopentasiloxane .

The ultraviolet screening cosmetic composition according to an embodiment of the present invention may be applied to an applicator of brush, puff, puff-integrated type, roll-on, roller, or sponge-tip type.

According to the present invention, it is possible to provide a cosmetic composition for ultraviolet ray shielding with a transparent or translucent appearance having an excellent formulation stability despite the use of a high content of a siloxane-based elastomer polymer.

Also, according to the present invention, it is possible to provide a cosmetic composition for ultraviolet ray blocking of water-in-oil type which is smoothly applied to the skin and is excellent in water resistance and durability.

Further, according to the present invention, by adjusting the refractive indexes of the oil phase portion and the water phase portion and containing the siloxane-based elastomer polymer in a high content, it is possible to realize a differentiated appearance that can display various colors according to the angle of light without using a liquid crystal material have.

In short, according to the present invention, it is possible to provide a stable water-in-oil type cosmetic composition for ultraviolet ray shielding which can impart both an excellent ultraviolet shielding effect and an immediate skin texture improving effect simultaneously with a soft feeling. In addition, the aesthetics and feeling of the user can be satisfied with a differentiated appearance.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a photograph showing appearance characteristics of the cosmetic composition for UV shielding prepared in Example 1 of the present invention. Fig.

The cosmetic composition for protecting ultraviolet rays according to the present invention will be described in detail below. Unless otherwise defined in the technical terms and scientific terms used herein, the term " cosmetic composition " In the following description, well-known functions or constructions that may unnecessarily obscure the spirit of the present invention will not be described.

As used herein, the term "siloxane-based elastomer polymer comprising hydrophilic polyalkylene oxide block" means a siloxane-based elastomer polymer comprising two or more repeating units containing an alkylene oxide, A limited example is ethylene oxide, propylene oxide, and the like.

As used herein, the term "block" means a structural unit having a certain length formed by continuous covalent bonding of the same repeating unit.

As used herein, the term "paste" is intended to refer to a composition having an anisotropic crystal structure in a solid state, reversibly solid or liquid phase in combination with components comprising liquid fraction and solid fraction at a temperature of room temperature Means a compound that undergoes a change.

In the present specification, the term "refractive index difference between the _oil phase part and the water phase part" means the difference between the refractive index (R _OIL ) of the _oil phase part and the refractive index (R _WATER ) of the _water phase part and means the absolute value of the corresponding value. That is, the refractive index difference (ΔR) between the oil phase part and the water phase part means "| R _OIL -R _WATER | value".

The inventors of the present invention have conducted studies on formulations for imparting a good feeling of use, and as a result, by introducing a siloxane-based elastomer polymer, it is possible to realize a high ultraviolet shielding effect with excellent water resistance and durability, which is advantageous in a water- It is confirmed that it can provide soft and light feel.

In addition, the cosmetic composition for protecting ultraviolet rays according to the present invention can effectively inhibit the stability of the formulation, that is, the change of formulation according to the change with time, in combination with a predetermined organic ultraviolet screening agent.

Hereinafter, the configuration of the present invention will be described in detail.

The cosmetic composition for protecting ultraviolet rays according to one embodiment of the present invention comprises a siloxane-based elastomer polymer comprising a hydrophilic polyalkylene oxide block and an organic ultraviolet screening agent, wherein the organic ultraviolet screening agent is selected from salicylate compounds, dibenzoylmethane compounds, Acrylate-based compounds.

With the above-described combination, it is advantageous to ensure the stability over time of the UV-blocking cosmetic composition for water-in-oil type. Furthermore, according to the present invention, a very stable formulation can be obtained without causing the formation of a formulation or bunching, even though a high content of the siloxane-based elastomer polymer is used.

In the cosmetic composition for protecting ultraviolet rays according to an embodiment of the present invention, the organic ultraviolet screening agent may be salicylate selected from ethylhexyl salicylate, tiei-salicylate, isopropyl benzyl salicylate and homosalate Based compound; Dimethyldibenzoylmethane, 4-methyldibenzoylmethane, 4-methyldibenzoylmethane, 4-methyldibenzoylmethane, 4-methyldibenzoylmethane, , 4'-diisopropylbenzoylmethane, 4-tert-butyl-4'-methoxydibenzoylmethane, 4,4'-diisopropylbenzoylmethane, 2-methyl- Methane, 2-methyl-5-tert-butyl-4'-methoxydibenzoylmethane, and the like; And an acrylate-based compound selected from octocrylene and polyacrylamidomethylbenzylidene camphor, and the like.

For example, the organic ultraviolet screening agent may be at least one selected from the group consisting of ethylhexyl salicylate, thiei-salicylate, isopropylbenzyl salicylate and homosalate, and at least one salicylate compound selected from 4-tert- Benzoylmethane, 4,4'-diisopropylbenzoylmethane, 4-tert-butyl-4'-methoxydibenzoylmethane, 4,4'-diisopropylbenzoylmethane, -Methoxydibenzoylmethane and 2-methyl-5-tert-butyl-4'-methoxydibenzoylmethane and the like, or a combination of two or more dibenzoylmethane-based compounds.

In one example, the organic ultraviolet screening agent is one or more salicylate compounds selected from ethylhexyl salicylate, thiei-salicylate, isopropylbenzyl salicylate, and homosalate, and octocrylene and polyacrylic Amidomethylbenzylidene camphor, and the like, or a combination of two or more acrylate-based compounds.

For example, the organic ultraviolet screening agent may be selected from the group consisting of one or two salicylate compounds selected from ethylhexyl salicylate, thiei-salicylate, isopropylbenzyl salicylate, and homosalate, Butyldibenzoylmethane, 4,4'-diisopropylbenzoylmethane, 4-tert-butyl-4'-methoxydibenzoylmethane, 4,4'-diisopropylbenzoylmethane, 2-methyl- 4'-methoxydibenzoylmethane and 2-methyl-5-tert-butyl-4'-methoxydibenzoylmethane and the like, with at least one dibenzoylmethane-based compound, octocrylene and polyacrylamidomethylbenzylidene camphor Or a combination of two or more acrylate-based compounds.

The UV-blocking cosmetic composition according to one embodiment of the present invention may satisfy the following relational expression (1).

[Relation 1]

0.3? [(T _S ) / (T _S + T _D + T _A )]? 0.6

[In the above formula 1,

T _S is the weight percent of the salicylate compound based on the total weight of the composition,

T _D is the weight percent of the dibenzoylmethane-based compound based on the total weight of the composition,

T _A is the weight percent of the acrylate based compound based on the total weight of the composition,

However, T _D or T _A may be 0 wt%.]

When the above-mentioned range is satisfied, it is possible to realize a very stable formulation, and it is excellent in a soft and light feel, so that the oil feeling caused by the organic sunscreen agent can be minimized.

The cosmetic composition for protecting ultraviolet rays according to one embodiment of the present invention has a numerical range ([(T _S ) / (T _S + T _D + T _A )]) of the above formula 1 for better formulation stability Specifically, it may be 0.35 to 0.55, more specifically 0.45 to 0.55.

In the cosmetic composition for protecting ultraviolet rays according to an embodiment of the present invention, the siloxane-based elastomer polymer comprising the hydrophilic polyalkylene oxide block contains a polyalkylene oxide repeating unit such as a hydrophilic chain, particularly ethylene oxide, propylene oxide and the like For example, dimethicone / bis-isobutylpiperidine-20 crosspolymer, phage-12 dimethicone / piperidine-20 crosspolymer and dimethicone / phage-10/15 crosspolymer. . It is needless to say that the cosmetic composition for protecting ultraviolet rays of the present invention can use one or more of the above-mentioned siloxane-based elastomer polymers.

Siloxane-based elastomer polymers containing hydrophilic polyalkylene oxide blocks can exhibit similar behavior to emulsifiers by having both hydrophilic and hydrophobic groups in the molecule. This structural feature makes it possible to formulate stable formulations without the addition of additional emulsifiers.

The siloxane-based elastomer polymer containing the hydrophilic polyalkylene oxide block may be in the form of a paste dispersed in a dispersion medium.

For example, the siloxane-based elastomeric polymer comprising the hydrophilic polyalkylene oxide block in the form of a paste may include dimethicone / bis-isobutylpipi-20 crosspolymer, phage-12 dimethicone / Chicone / phage-10/15 crosspolymer, and the like are dispersed homogeneously in one or more dispersion mediums selected from silicone oils such as dimethicone, cyclomethicone, phenyltrimethicone, and cyclopentasiloxane. .

The silicone oil may be used in an amount of 1 to 500 parts by weight based on 10 parts by weight of the siloxane-based elastomer polymer containing a hydrophilic polyalkylene oxide block, specifically 10 to 200 parts by weight, more preferably 50 to 100 parts by weight, Can be used in weight.

The cosmetic composition for protecting ultraviolet rays according to an embodiment of the present invention includes a water phase portion including a siloxane-based elastomer polymer including a hydrophilic polyalkylene oxide block and an organic ultraviolet screening agent, and a water phase portion including water and a polyhydric alcohol, And the difference in refractive index (DELTA R) between the water-receiving portions may be 0.05 or less. At this time, the organic UV blocking agent may be a mixture of two or more selected from a salicylate compound, a dibenzoylmethane compound, and an acrylate compound.

Specifically, the cosmetic composition for protecting ultraviolet rays according to an embodiment of the present invention may comprise 5 to 30% by weight of the siloxane-based elastomer polymer containing the hydrophilic polyalkylene oxide block and 5 to 30% by weight of the organic ultraviolet- 20% by weight; And an aqueous phase containing 20 to 60% by weight of the polyhydric alcohol and a residual amount of water, wherein the refractive index difference (R) between the oil phase part and the water phase part is 0.05 or less.

The cosmetic composition for protecting against ultraviolet rays according to an embodiment of the present invention improves the feeling of feeling soft and light, thereby improving the shine and the feeling of being hurt by the organic sunscreen.

For example, the cosmetic composition for ultraviolet shielding may comprise 10 to 30% by weight of the siloxane-based elastomer polymer containing the hydrophilic polyalkyleneoxide block, based on the total weight of the composition, 10 to 20% by weight of a blocking agent; And 25 to 50% by weight of the polyhydric alcohol and the balance water.

For example, from the viewpoint of realizing a feeling of use as well as a more improved transparency, the cosmetic composition for ultraviolet shielding comprises 15 to 30% by weight of a siloxane-based elastomer polymer containing the hydrophilic polyalkylene oxide block, based on the total weight of the composition, An oil phase part comprising 10 to 20% by weight of the organic UV blocking agent; And an aqueous phase containing 30 to 40% by weight of the polyhydric alcohol and water in a remaining amount. At this time, in the cosmetic composition for blocking ultraviolet rays, the refractive index difference (? R) between the oil phase part and the water phase part may be specifically in the range of 0.001 to 0.03, more specifically in the range of 0.01 to 0.02.

In addition, the cosmetic composition for ultraviolet blocking according to an embodiment of the present invention uses a siloxane-based elastomer polymer including a hydrophilic polyalkylene oxide block, and uses a liquid crystal material by controlling a refractive index difference (? R) between an oil- It is possible to realize a differentiated appearance by displaying various colors according to the angle of light.

For example, the ultraviolet blocking cosmetic composition according to the present invention may have a light transmittance in a range of 75 to 95% with respect to a wavelength of 600 nm. That is, the cosmetic composition for blocking ultraviolet rays according to the present invention may be one having excellent transparency and having a differentiated appearance in which the color changes according to the angle of light.

In addition, the cosmetic composition for protecting ultraviolet rays according to one embodiment of the present invention is applied to the skin evenly with excellent adhesiveness, and is excellent in the effect of improving skin texture by imparting excellent covering power to skin request, pores and wrinkles.

The polyhydric alcohol may be a component used for increasing the refractive index of the aqueous phase. Examples of the polyhydric alcohol include glycerin, propylene glycol, butylene glycol, glycerin, erythritol, xylitol, maltitol glycerin, sorbitol, polyglycerin, polyethylene glycol, , Isoprene glycol, and the like. It is needless to say that the cosmetic composition for protecting ultraviolet rays of the present invention may use one or more of the above-mentioned polyhydric alcohols.

In order to reduce the refractive index difference between the oil phase part and the water phase part, the cosmetic composition for protecting ultraviolet rays according to an embodiment of the present invention may further include polar oil in the oil phase part.

The polar oil may contain at least one polar functional group selected from a carboxyl group (COO), a ketone group (CO) and a hydroxyl group (OH), and examples thereof include triglyceride polar oil, ester polar oil and the like One or two or more.

Examples of triglyceride based polar oils include caprylic / capric / myristic / stearic triglyceride, caprylic / capric / myristic / stearic triglyceride, caprylic / capric / succinic triglyceride , Caprylic / capric / stearic triglyceride, glyceryl trioctanoate, caprylic / capric triglyceride, butylene glycol dicaprylate / caprate and trioctanoin.

Examples of ester-based polar oils include isopropyl myristate, isopropyl palmitate, cetyl ethylhexanoate, alkyl benzoates having 12 to 15 carbon atoms, dicaprylyl carbonate, pentaerythritol tetraethylhexanoate, pentaerythritol Tetraisostearate and diisostearyl malate, and the like.

The polar oil may be used in an amount of 1 to 20% by weight based on the total weight of the composition, specifically 3 to 15% by weight, more preferably 5 to 10% by weight % ≪ / RTI >

The cosmetic composition for protecting ultraviolet rays according to an embodiment of the present invention may further include a water-soluble ultraviolet absorber on the water layer to reduce a difference in refractive index between the oil portion and the water portion.

The water-soluble ultraviolet absorber is not limited as long as it is a conventional component having high solubility in water without causing any problem in the stability of the formulation, and examples thereof include 2-phenylbenzimidazole-5-sulfonic acid or a derivative thereof; 2-hydroxy-4-methoxybenzophenone sulfonic acid or derivatives thereof; 3-benzylidene-co-sulfonic acid or derivatives thereof. In this case, the derivative may be a salt of a sulfonic acid, specifically, an alkali metal, an alkaline earth metal, ammonium, or an alkylammonium salt having 1 to 7 carbon atoms.

At this time, the amount of the water-soluble ultraviolet absorbent to be used may be appropriately adjusted depending on the purpose, but may be 0.1 to 10% by weight based on the total weight of the composition, specifically 0.5 to 5% by weight, more specifically 0.5 to 3% % ≪ / RTI > by weight. When the water-soluble ultraviolet absorber is used, the pH of the composition preferably satisfies the range of 6.5 to 7.5.

The ultraviolet screening cosmetic composition according to an embodiment of the present invention may further comprise at least one additive selected from moisturizing ingredients, oils, pH adjusting agents, color fading agents, coloring matters, fragrances, preservatives and sedative accelerators. The additive may be included in an amount of 0.01 to 5% by weight based on the total weight of the composition, but is not limited thereto.

The UV-blocking cosmetic composition according to one embodiment of the present invention is formulated into a water-in-oil type.

For example, the UV-blocking cosmetic composition of the water-in-oil type may be formulated into an ultraviolet screening agent having a transparent or semi-transparent appearance or a makeup primer.

For example, the water-in-oil type cosmetic composition for UV screening may be formulated into a makeup base or a foundation having an opaque appearance by further including a coloring agent such as rake, a colored pigment, and a pearlescent pigment.

In addition, the cosmetic composition for blocking ultraviolet rays according to an embodiment of the present invention can be applied to a brush, puff, puff-integrated type, roll-on, roller, or sponge-tip type applicator.

Hereinafter, the bi gel type cosmetic composition according to one example of the present invention will be described in more detail by way of examples. It should be understood, however, that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention. In addition, the unit of the component not specifically described in the specification may be g or% by weight based on the total composition.

(Assessment Methods)

1. Refractive index

The refractive indices of the samples (Examples and Comparative Examples) were measured using a refractive index meter (ATAGO, Multi-Wavelength Abbe Refractometer DR-A1). The results are shown in Table 1 below.

2. Formulation stability

The formulation stability of each sample (Example and Comparative Example) was compared. At this time, the formulation stability was evaluated as stability of the formulation in a refrigeration chamber (4 ± 2 ° C), a freezing chamber (-20 ± 2 ° C), a high temperature chamber (45 ± 2 ° C) and a freeze- The samples were stored at intervals of one cycle. The results were visually observed for each sample at intervals of one week. The results are shown in Table 2 below. Fig. 1 also shows the results of observing the appearance characteristics of Example 1. Fig.

3. Sensory Evaluation A

The feeling of use of each sample (Examples and Comparative Examples) was compared. A panel test was conducted for 50 women aged 20 to 40 years, and their feelings (adhesion, spreadability, oiliness) and appearance were evaluated and compared. At this time, each item was rated on a scale of 1 to 10, and the higher the score, the stronger the attribute of each item. For example, when the adhesion is 10 points, it means that it is most closely adhered, and when the oil feeling is 10 points, it means that the feeling of feeling is the worst because of the strongest oil feeling.

The results are shown in Table 3 below.

4. Sensory Evaluation B

The skin irregularities, pores, and fine wrinkling effect of each sample (Examples and Comparative Examples) were compared. Each sample was evaluated by hand application and brush application. At this time, each item was rated on a scale of 1 to 10, and the higher the score, the stronger the attribute of each item.

(Examples 1 to 4)

Using the components shown in the following Table 1, a cosmetic composition for UV screening was prepared by the following method.

(1) All the components in the oil phase were mixed and dissolved by heating at 95 占 폚.

(2) All the above components were mixed and dissolved.

(3) A cosmetic composition for ultraviolet ray shielding was prepared by dispersing with a homogenizer while injecting a water-containing part into an oily part.

(Comparative Example 1)

Using the components shown in the following Table 1, a cosmetic composition for UV screening was prepared in the same manner as in the above example.

As shown in Table 2 and FIG. 1, according to the present invention, it was confirmed that highly stable formulation could be realized.

On the other hand, in the case of Comparative Example 1, the phase stability was maintained at a low temperature, but the phase separation was observed rapidly at a temperature higher than room temperature, and it was confirmed that the stability of the formulation over time was poor.

As shown in Table 3, according to the present invention, it was confirmed that when applied to skin, it is excellent in adhesiveness and spreadability, and can provide soft and light-dripping. Furthermore, it was confirmed that the present invention provides a significantly lowered oily feel as compared with Comparative Example 1. Also, according to the present invention, it is confirmed that the appearance of the display is very excellent by realizing a differentiated appearance which can display various colors according to the angle of light.

On the other hand, in the case of Comparative Example 1, the stability of the formulation over time was poor and the phase separation phenomenon could be confirmed after a few hours. The separated oil and organic sunscreen components provided high oily feeling as well as poor feeling, And satisfaction with feeling was also low.

As shown in Table 4, according to the present invention, it was confirmed that the present invention excelled in skin irregularity, pore, and fine wrinkle effect, and when the brush is used, the effect is somewhat improved Respectively. That is, if the cosmetic composition for UV screening according to the present invention is applied to a brush-type applicator, the effect is amplified.

Although the present invention has been described with reference to the specific embodiments and the exemplary embodiments, it is to be understood that the same is by way of illustration and example only and is not to be construed as limiting the present invention. Various modifications and variations are possible in light of the above teaching.

Accordingly, the spirit of the present invention should not be construed as being limited to the embodiments described, and all of the equivalents or equivalents of the claims, as well as the following claims, belong to the scope of the present invention .

Claims (11)

A siloxane-based elastomer polymer comprising a hydrophilic polyalkylene oxide block, and an organic sunscreen agent,
Wherein the organic ultraviolet screening agent is at least two selected from a salicylate compound, a dibenzoylmethane compound, and an acrylate compound. The method according to claim 1,
The composition may comprise,
1. A cosmetic composition for protecting ultraviolet rays satisfying the following relational expression (1).
[Relation 1]
0.3? [(T _S ) / (T _S + T _D + T _A )]? 0.6
[In the above formula 1,
T _S is the weight percent of the salicylate compound based on the total weight of the composition,
T _D is the weight percent of the dibenzoylmethane-based compound based on the total weight of the composition,
T _A is the weight percent of the acrylate based compound based on the total weight of the composition,
However, T _D or T _A may be 0 wt%.] The method according to claim 1,
The organic UV-
Salicylate compounds selected from ethylhexyl salicylate, thiai-salicylate, isopropylbenzyl salicylate and homosalate;
Dimethyldibenzoylmethane, 4-methyldibenzoylmethane, 4-methyldibenzoylmethane, 4-methyldibenzoylmethane, 4-methyldibenzoylmethane, , 4'-diisopropylbenzoylmethane, 4-tert-butyl-4'-methoxydibenzoylmethane, 4,4'-diisopropylbenzoylmethane, 2-methyl- Methane, 2-methyl-5-tert-butyl-4'-methoxydibenzoylmethane; And
An acrylate-based compound selected from octocrylene and polyacrylamidomethyl benzylidene camphor. The method according to claim 1,
The siloxane-based elastomer polymer is a siloxane-
A dimethicone / bis-isobutylpiperidine-20 crosspolymer, a phage-12 dimethicone / piperidine-20 crosspolymer and a dimethicone / phage-10/15 crosspolymer. The method according to claim 1,
The composition may comprise,
An oil phase portion comprising a siloxane-based elastomer polymer comprising a hydrophilic polyalkylene oxide block and an organic ultraviolet screening agent; And
An aqueous phase comprising water and a polyhydric alcohol,
Wherein the refractive index difference between the oil phase portion and the water phase portion is 0.05 or less. 6. The method of claim 5,
The composition may comprise,
Based on the total weight of the composition,
An oil phase portion comprising 5 to 30% by weight of the siloxane-based elastomer polymer and 5 to 20% by weight of the organic ultraviolet screening agent; And
And 20 to 60% by weight of the polyhydric alcohol and water. In the fifth aspect,
In the above-
A cosmetic composition for ultraviolet shielding further comprising a polar oil. In the fifth aspect,
On the water surface,
A cosmetic composition for ultraviolet shielding further comprising a water-soluble ultraviolet absorber. The method according to claim 1,
The siloxane-based elastomer polymer is a siloxane-
Which is in the form of a paste dispersed in a dispersion medium. 10. The method of claim 9,
The dispersion medium,
Dimethicone, cyclomethicone, phenyl trimethicone, and cyclopentasiloxane. 11. The method according to any one of claims 1 to 10,
The composition may comprise,
Wherein the composition is applied to an applicator of the brush, puff, puff, roll, roller or sponge tip type.

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