KR20150118772A - Cosmetic composition of water-in-oil sunscreen without white cloudy phenomenon - Google Patents

Abstract

The present invention relates to a solid phase water-in-oil type ultraviolet ray blocking cosmetic composition and, specifically, to a solid phase water-in-oil type ultraviolet ray blocking cosmetic composition containing: 1-50 wt% of a water phase constituent; 1-20 wt% of an organic ultraviolet blocking agent; 2-10 wt% of wax; 1-10 wt% of a surfactant; 10-50 wt% of oil; and 3-20 wt% of powder, based on the total weight of the composition. The composition according to the present invention shows a high ultraviolet ray blocking effect by using only a small amount of the organic ultraviolet ray blocking agent and an ultraviolet blocking accelerator without using an inorganic ultraviolet blocking agent. Additionally, the composition according to the present invention contains the powder and a specific emulsifier capable of absorbing oil, provides an excellent refreshment sensation and moistness without a cloudy white phenomenon, thereby improving sensation of use. The composition prevents perspiration, precipitation and separation, thereby improving formulation stability. The composition reduces skin irritation, so skin stability is enhanced.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cosmetic composition of water-in-oil sunscreen without white cloudy phenomenon,

More particularly, the present invention relates to a solid water-in-oil type ultraviolet (UV) blocking cosmetic composition which is free from opacity due to the use of an inorganic ultraviolet screening agent but exhibits a high ultraviolet shielding effect and does not exhibit perspiration, And to an excellent solid water-in-oil type ultraviolet ray blocking cosmetic composition.

The sunlight can be divided into infrared rays, visible rays and ultraviolet rays. Among them, ultraviolet rays which can adversely affect the skin can be divided into three kinds according to the wavelength length as follows. Ultraviolet C (hereinafter referred to as UVC) having a wavelength of 200 to 290 nm is lost due to reflection or scattering occurring when it reaches the ozone layer and can not reach the surface, but ultraviolet B (hereinafter referred to as UVB) having a wavelength of 290 to 320 nm and 320 to 400 nm (Hereinafter referred to as UVA) reaches the surface of the earth and has various effects on the skin of the human body. UVB penetrates to the epidermis of skin to cause erythema, freckles and swelling. UVA penetrates into the dermis of the skin, causing melanin, wrinkles and skin cancer, and is known to cause skin aging and skin irritation. As the public awareness of UV protection products increases with the exposure to sunlight exposure, products with various Sun Protection Factors (SPF) and UV Protection Classes (UVA, PA) It is being released.

These sunscreen products are generally classified into water-in-water and water-in-water formulations. In the case of underwater type emulsion products, there is a feeling of excellent skin application feeling provided by the water of the trauma, but there is a problem of persistence of effect due to sweat and water due to lack of water resistance. In case of water type product, But it has the advantage of good water resistance. In order to compromise with each other, a water-in-oil type emulsion cosmetic composition technology having a large amount of water-based emulsion has been developed, which can simultaneously impart a refreshing feeling and a water resistance to the user. In addition, when the puff is developed in a solid form, the product can be used cleanly because it can not be reached by the hand, and product development using the puff is being actively carried out.

On the other hand, since consumer demand for high-value ultraviolet screening products which do not cause cloudiness has been increasing recently, researches on formulations excluding inorganic ultraviolet screening agents are being actively carried out. However, when a large amount of organic sunscreen agent is used to obtain a high ultraviolet shielding effect, skin coating sensitivity such as stickiness and shine may be lowered. In addition, since organic UV shielding ingredients have a prescribed composition limit, A method of providing a high level of ultraviolet shielding effect while using the same or a small amount of ultraviolet shielding raw material through the use of an ultraviolet shielding accelerator has been proposed. In this case, sweating phenomenon, precipitation phenomenon of ultraviolet shielding raw material, or separation of formulations in the case of severe emulsification ultraviolet screening product of solid water-based water-based ultraviolet screening product occurs, and a technique capable of complementing it is needed.

The object of the present invention is to provide a cosmetic composition which does not contain an inorganic ultraviolet screening agent, exhibits a high ultraviolet shielding effect while exhibiting no whitening phenomenon, and exhibits excellent stability without sweating, precipitation and separation of contents .

The present invention relates to a composition comprising 1 to 50% by weight of an aqueous phase composition, 1 to 20% by weight of an organic UV blocking agent, 0.1 to 5% by weight of an ultraviolet barrier accelerator, 2 to 10% by weight of wax, 1 to 10% by weight of a surfactant, To 50% by weight of water and 3 to 20% by weight of powder. The present invention provides a solid water-in-oil type ultraviolet blocking cosmetic composition.

The present inventors have conducted intensive studies to improve the formulation stability of a solid water-in-oil type ultraviolet barrier cosmetic material in the form of powder, and in particular, a water-in-oil type ultraviolet barrier cosmetic material containing a specific emulsifier, The present inventors have found that the phenomenon of stabilizing the formulation by reducing the sweating phenomenon of the oil phase component and inhibiting the aggregation of the water phase particles in the inner phase is found. Further, it has been found that such a cosmetic composition also increases the solubility of the ultraviolet screening agent to reduce the precipitation phenomenon, thus completing the present invention.

The cosmetic composition according to the present invention may contain an inorganic UV-blocking agent in an amount of 1% by weight or less based on the total weight of the composition. Preferably 0.5% by weight or less, and more preferably 0.1% by weight or less. For the purpose of the present invention, it is most preferable that the composition does not contain any inorganic ultraviolet screening agent in order to suppress the whitening phenomenon caused by the inorganic ultraviolet screening agent.

In the composition according to the present invention, the water-based component is a component that greatly enhances a sensation of moistness and moist feeling at the time of use, and includes glycol including propylene glycol, 1,3-butylene glycol, dipropylene glycol, polyethylene glycol and the like; Glycerol including glycerin, diglycerin, polyglycerin and the like; Sugars including sorbitol, multitol, sucrose, starch sugar, laquatitol, and the like; Wherein the polymer is selected from the group consisting of guar gum, sodium chondroitin sulfate, sodium hyaluronate, gum arabic, sodium alginate, collaginan, methylcellulose, hydroxymethylcellulose, carboxylvinyl polymer, polyvinyl alcohol, polyvinylpyrrolidone, alkylated carboxyl vinyl polymer, polyacrylic acid Water-soluble polymers including sodium and the like; Salts including sodium chloride, magnesium chloride, sodium lactate and the like; And plant extracts including aloe vera, cucumber, lemon, lavender, rose and the like, but are not limited thereto. The water phase component may be used in an amount of 1 to 50 wt%, preferably 15 to 40 wt%, based on the total weight of the composition.

In the composition according to the present invention, the organic ultraviolet screening agent may be at least one selected from the group consisting of ethylhexylmethoxycinnamate, octyl salicylate, octocrylene, butylmethoxydibenzoylmethane, oxybenzone, octyltriazone, menthyl anthranylate, - methyl benzylidene kempfer, bis-ethylhexyloxyphenol methoxyphenyltriazine, phenylbenzimidazolesulfonic acid, isoamyl p-methoxy cinnamate and diethylaminobydroxybenzoylhexyl benzoate, and the like. Any one or more of them may be used, but the present invention is not limited thereto. The organic UV blocking agent may be used in an amount of 1 to 20 wt%, preferably 5 to 15 wt%, based on the total weight of the composition. When the amount of the organic ultraviolet screening agent is less than 1% by weight, the ultraviolet blocking power is deteriorated. When the organic ultraviolet screening agent is more than 20% by weight, the feeling of use is deteriorated.

In the composition according to the present invention, the ultraviolet barrier accelerator may be at least one selected from the group consisting of ethylene acrylate, polyacrylate-15, polyacrylate-17 and styrene / acrylate polymer. It is not. Preferably, the styrene / acrylate polymer can be used as an ultraviolet barrier accelerator. The ultraviolet barrier accelerator may be used in an amount of 0.1 to 5 wt%, preferably 1 to 3 wt%, based on the total weight of the composition. If the UV blocking agent is less than 0.1% by weight, it can not simultaneously satisfy the ultraviolet barrier property (SPF) 50 to 80 and the ultraviolet A blocking degree (PA) triple plus (PA +++) If it exceeds 5% by weight, the solid formability of the formulation is lowered and the formulation stability is decreased.

In the composition according to the present invention, the wax is used for solidifying or glossing the cosmetic, and may be a vegetable wax including candelilla wax, carnauba wax, rice wax and the like; Animal waxes including bead wax, lanolin and the like; Mineral waxes including ozokerite, ceresin wax and the like; Paraffin wax, microcrystalline wax, petroleum wax including polyethylene wax, and the like, but is not limited thereto. Preferably ceresin wax may be used as the wax component. The wax may be used in an amount of 2 to 10 wt%, preferably 3 to 7 wt%, based on the total weight of the composition. If the wax is less than 2% by weight, the solid formability deteriorates. If the wax is more than 10% by weight, the feeling of use is deteriorated.

In the composition according to the present invention, the surfactant is used as an emulsifier to improve the stability of the formulation, and a lipophilic nonionic surfactant or a cationic surfactant can be used. Specifically, the surfactant may be selected from the group consisting of glyceryl stearate, sorbitan sesquioleate, sorbitan olivate, sorbitan stearate, phage-10 dimethicone, lauryl pyridine-9 polydimethylsiloxy ethyl dimethicone, Ric acid, distearyl dimonium chloride, and cetylpiperazine / piperidine-10/1 dimethicone, but the present invention is not limited thereto. Preferably, the surfactant may include Cetylpiperazine / Pipi-10/1 Dimethicone or Lauryl Pigment-9 polydimethylsiloxyethyl dimethicone, more preferably Cetylpiperazine / Piperazine-10/1 dimethicone. For the purpose of the present invention, in order to maximally improve the formulation stability, it is necessary to add a surfactant such as Cetyl Phosphite / Phosphite-10/1 Dimethicone, Lauryl Phage-9 polydimethylsiloxyethyl dimethicone or a mixture thereof as a main surfactant, It is most preferable to use them in addition to the above-mentioned components, such as talc, olivate, stearic acid and distearyldimonium chloride. The surfactant may be used in an amount of 1 to 10 wt%, preferably 3 to 7 wt%, based on the total weight of the composition. When the amount of the surfactant is less than 1% by weight, the stability of the formulation is deteriorated. When the amount is more than 10% by weight, the feeling of use is deteriorated.

In the composition according to the present invention, the oil may be a conventional oil used in a cosmetic composition, and vegetable oil, mineral oil or synthetic oil may be used. Specifically, the oil is selected from the group consisting of cetyl ethyl hexanoate, neopentyl glycol dicaprate, isocetyl ethyl hexanoate, distearyl salicylate, triethylhexanone, squalane, caprylic capric triglyceride, pentaerythritol tetraethylhexano But are not limited to, butylene glycol dicaprylate / dicaprate, hexyl laurate, dimethylpolysiloxane, methylphenylpolysiloxane, decamethylcyclopentasiloxane, methyltrimethicone, phenyl trimethicone, liquid lanolin, olive oil, avocado oil, And macadamia oil. However, the present invention is not limited thereto. The oil may be used in an amount of 10 to 50% by weight based on the total weight of the composition.

In the composition according to the invention, the powder avoids the use of titanium dioxide, zinc oxide, iron oxide, titanium dioxide zinc oxide complexes to minimize the opacification phenomenon. The powder may be a component which does not impart a whitish phenomenon and can be absorbed. Specific examples of the powder include titanium dioxide, alumina, silica, talc, mica, kaolin, barium silicate, zeolite, muscovite, synthetic mica, Clay mineral powders; Barium sulfate, iron titanate, titanium oxide coated mica, and the like; Or an organic powder including polystyrene powder, polymethyl methacrylate powder, polyethylene powder, nylon powder, silicone powder, and the like, but is not limited thereto. The powder may be used in an amount of 3 to 20 wt%, preferably 5 to 15 wt%, based on the total weight of the composition. If the amount of the powder is less than 3% by weight, the effect of improving the feeling of use is insignificant. If the amount is more than 20% by weight, there is a problem in formulation stability.

Preferably, the powder is subjected to a hydrophobic treatment. Examples of the hydrophobic treatment method include a method of treating the surface with a high viscosity silicone, a method of reacting and treating an alkyl hydrogen polysiloxane, a method of treating with a cation, an anion or a nonionic surfactant, or a method of covering the surface with a wax. But is not limited thereto.

In the composition according to the present invention, fragrance, pigment, preservative, fungicide, oxidative stabilizer or pearling agent may be additionally contained within the range of not lowering the effect of the composition other than the above components, but the present invention is not limited thereto.

The present invention relates to a composition comprising 1 to 50% by weight of an aqueous phase composition, 1 to 20% by weight of an organic UV blocking agent, 0.1 to 5% by weight of a styrene / acrylate copolymer, 2 to 10% by weight of ceresin, 1 to 10% % Of water, 10 to 50 wt% of oil, and 3 to 20 wt% of powder, based on the total weight of the cosmetic composition. For the purpose of the present invention, a composition containing the above-mentioned components in the above amounts has the best feeling of use, formulation stability and skin stability.

Wherein the surfactant is selected from the group consisting of Cetyl Phosphite / Phosphite-10/1 dimethicone 1 to 5% by weight, sorbitan olivate 0.1 to 5% by weight, stearic acid 0.01 to 2% by weight and distearyl dimonium chloride 0.01 to 2% Weight%, the use feeling, formulation stability and skin stability are most excellent for the purpose of the present invention. When the powder contains 2 to 15% by weight of silica and 0.1 to 5% by weight of vinyl dimethicone / methicilloshepsoxane crosspolymer, the powder is most excellent in feeling of use, stability of formulation and skin stability for the purpose of the present invention.

The composition according to the present invention is characterized by having an ultraviolet barrier property (SPF) of 50 to 80 and an ultraviolet A blocking degree (PA) of triple plus (PA +++).

The composition according to the present invention exhibits a high ultraviolet shielding effect by using only a small amount of an organic ultraviolet screening agent and an ultraviolet screening accelerator without using an inorganic ultraviolet screening agent. In addition, the composition according to the present invention is excellent in a feeling of use, excellent in sensation of use, excellent in feeling of coolness and moistness without cloudiness, and excellent in formulation stability due to no sweating, precipitation and separation, including a powder capable of absorbing oil and a specific emulsifier, The skin safety is excellent.

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 to 2 and Comparative Example  Manufacture of 1 to 4

In Example 1, raw materials 1 to 10 as oil components were dissolved by heating at 80 to 85 ° C according to the composition shown in the following Table 1, and raw materials 11 to 12 as powders were added thereto and uniformly dispersed. To 20 were added and emulsified. The mixture was defoamed and filled in a molder and cooled at room temperature to prepare a water-in-oil type solid cosmetic composition for ultraviolet rays. Example 2 and Comparative Examples 1 to 4 were produced in the same manner as in Example 1, with reference to the composition shown in Table 1 below.

ingredient Content (% by weight) Example 1 Example 2 Comparative Example 1 Comparative Example 2 Comparative Example 3 Comparative Example 4 One Ceresin 5.00 5.00 5.00 5.00 5.00 5.00 2 Three tilipies / piperazine-10/1 dimethicone 2.00 2.50 2.00 2.00 2.50 2.50 3 Sorbitan olivate - 1.00 - 1.00 2.00 1.00 4 Cyclopentasiloxane To 100 5 Butyleneglycol dicaprylate /
Dicaprate 8.00 8.00 8.00 8.00 8.00 8.00 6 To a solution of < RTI ID = 0.0 & 7.00 7.00 7.00 7.00 7.00 7.00 7 Bis-ethylhexyloxyphenol methoxyphenyltriazine 2.55 2.55 2.55 2.55 2.55 2.55 8 Distearyl dimonium chloride - 0.10 - 0.10 1.00 0.10 9 Stearic acid - 0.10 - 0.10 1.00 0.10 10 Distearmonium hectorite 0.30 0.30 0.30 0.30 0.30 0.30 11 Silica 6.00 6.00 - - - 2.00 12 Vinyl Dimethicone / Methiconic Ssesquioxane Crosspolymer 2.00 2.00 - - - - 13 Purified water 30.00 30.00 30.00 30.00 30.00 30.00 14 Styrene / acrylate copolymers,
Phage-8 Laurate 2.00 2.00 2.00 2.00 2.00 2.00 15 Tromethamine 1.00 1.00 1.00 1.00 1.00 1.00 16 Phenylbenzimidazolesulfonic acid 1.50 1.50 1.50 1.50 1.50 1.50 17 Diethylaminohexoxybenzoylhexylbenzoate 1.75 1.75 1.75 1.75 1.75 1.75 18 Hydrogenated lecithin 2.00 2.00 2.00 2.00 2.00 2.00 19 Butylene glycol 5.00 5.00 5.00 5.00 5.00 5.00 20 Sodium chloride 1.00 1.00 1.00 1.00 1.00 1.00

The feeling of use, formulation stability and skin safety were evaluated for the compositions prepared in Examples 1 to 2 and Comparative Examples 1 to 4, and detailed evaluation methods and results are as follows.

Experimental Example  One: Feeling  evaluation

The feeling of use was evaluated for the compositions prepared through Examples 1 to 2 and Comparative Examples 1 to 4, and detailed evaluation methods and results are as follows. Thirty women aged 25 to 45 years were divided into two groups, and the groups of Examples 1 and 2 and Comparative Examples 1 to 4 were appropriately adjusted for each group and used on both sides of the face. The sensation of feeling such as sensation of refreshing sensation, sensation of moistness and feeling after application, feeling of oil, formulation preference and overall satisfaction were evaluated, and the results are shown in Table 2 below.

<Evaluation Criteria>

More than 24 women judged to be excellent: ◎

18-23 women judged to be excellent: ○

10-17 women judged to be good: △

More than 10 women judged to be excellent: X

Item Example 1 Example 2 Comparative Example 1 Comparative Example 2 Comparative Example 3 Comparative Example 4 Refreshing feeling ◎ ◎ ◎ ◎ ○ △ Moistness ◎ ◎ ○ ◎ △ ○ Oiliness ○ ◎ X X △ △ Formulation appearance ○ ◎ △ X △ X Overall satisfaction ○ ◎ △ △ △ △

As shown in the above Table 2, the water-in-oil type solid ultraviolet (UV) blocking cosmetic compositions (Examples 1 and 2) using the absorbable powder according to the present invention over a certain amount, (Comparative Examples 1 to 3) and a water-in-oil type solid ultraviolet barrier cosmetic composition using a small amount of powder (Comparative Example 4), and the overall satisfaction was also excellent.

Experimental Example  2: Formulation stability evaluation

The formulation stability was evaluated for the compositions prepared through Examples 1 to 2 and Comparative Examples 1 to 4, and detailed evaluation methods and results are as follows.

(1) Evaluation of separation of oil phase and water phase at high temperature filling

The cosmetic composition having a water-in-oil type and a solid shape is a emulsion requiring high-temperature filling at a temperature of 80 ° C or higher in the molding process after the production, and when the filling is carried out at a high temperature for a long period of time (6 hours), separation of oil and water occurs.

<Evaluation Criteria>

No separation of contents: ○

Occurrence of content separation: △

Degree of content separation: X

Immediately after melting 2 hours elapsed 4 hours elapsed 6 hours elapsed Example 1 ○ ○ ○ △ Example 2 ○ ○ ○ ○ Comparative Example 1 X X X X Comparative Example 2 △ X X X Comparative Example 3 △ △ X X Comparative Example 4 △ X X X

As shown in Table 3, in the case of the ultraviolet screening product using the powder capable of absorbing ability according to the present invention, the stability of the content was excellent, but in the case of the product not using the powder having the absorbing ability for more than a certain amount, Respectively. In addition, when the composition of the emulsifier is used, the long-term stability of the contents is improved.

(2) Evaluation of stability over time

The compositions prepared in Examples 1 and 2 and Comparative Examples 1 to 4 were maintained for two months at temperatures of 50 ° C, 45 ° C, 37 ° C, 25 ° C, 0 ° C and -15 ° C, The sweating phenomenon and the surface change of the formulation were visually evaluated.

<Evaluation Criteria>

No sweating, precipitation or separation phenomena occurred: ○

Sweating or precipitation occurs: △

Form separation occurs: X

Example 1 Example 2 Comparative Example 1 Comparative Example 2 Comparative Example 3 Comparative Example 4 50 ℃ △ ○ X X X X 45 ° C ○ ○ X X △ △ 37 ℃ ○ ○ △ △ △ △ 25 ℃ ○ ○ △ △ ○ ○ 0 ℃ ○ ○ △ △ △ △ -15 ℃ △ ○ X △ △ △

As shown in Table 4, in the case of the ultraviolet screening product using the powder capable of absorbing ability according to the present invention, the stability of the content over time is excellent, but in the case of a product which does not use a powder having absorption capacity for a predetermined amount or more, And confirmed this poorness.

Experimental Example  3: Skin safety evaluation

Skin safety was evaluated for the compositions prepared in Examples 1 to 2 and Comparative Examples 1 to 4, and detailed evaluation methods and results are as follows.

Twenty - four healthy male and female arms were patch - tested for 24 - hour patch patches. After applying a certain amount of sample to the pin chamber, the pin chamber to which the sample was applied was adhered to the test site with tape, and then the patch was removed after 24 hours of the patch. After a lapse of 4 hours, it was observed whether or not erythema appearing on the skin was observed and classified according to the following Table 5.

reaction Score Symptoms and judging criteria - 0 No response +/- 0.5 Weak erythema + One Clear erythema ++ 2 Severe erythema with edema +++ 3 Severe erythema with blistering, edema

The skin irritation index (PII) was calculated from the score according to the above criteria by the following calculation method, and is shown in Table 6 below.

[formula]

division Example 1 Example 2 Comparative Example 1 Comparative Example 2 Comparative Example 3 Comparative Example 4 Stimulation index 0.05 0.08 0.10 0.09 0.18 0.12

As shown in Table 6, the skin irritation index of the skin of Examples 1 and 2, which is a composition of the present invention, was excellent.

Claims (14)

1 to 50% by weight of a water-based component, 1 to 20% by weight of an organic ultraviolet screening agent, 0.1 to 5% by weight of an ultraviolet barrier accelerator, 2 to 10% by weight of a wax, 1 to 10% by weight of a surfactant, 10 to 50% % And powder of 3 to 20% by weight based on the total weight of the cosmetic composition. The cosmetic composition of claim 1, wherein the composition comprises an inorganic UV-blocking agent in an amount of 1 wt% or less based on the total weight of the composition. The cosmetic composition according to claim 1, wherein the aqueous phase component comprises at least one selected from the group consisting of glycol, glycerol, sugar, water-soluble polymer, salt, and plant extract. The organic sunscreen according to claim 1, wherein the organic UV blocking agent is at least one selected from the group consisting of ethylhexylmethoxycinnamate, octyl salicylate, octocrylene, butylmethoxydibenzoylmethane, oxybenzone, octyltriazone, menthylanthranilate, 3,4- Any one selected from the group consisting of methyl benzylidene kempfer, bis-ethylhexyloxyphenol methoxyphenyltriazine, phenylbenzimidazolesulfonic acid, isoamyl p-methoxy cinnamate, and diethylaminohydroxybenzoylhexyl benzoate By weight or more based on the total weight of the cosmetic composition. The ultraviolet screening accelerator according to claim 1, wherein the ultraviolet barrier accelerator is at least one selected from the group consisting of ethylene acrylate, polyacrylate-15, polyacrylate-17 and styrene / acrylate polymer. UV-blocking cosmetic composition. The cosmetic composition according to claim 1, wherein the wax is at least one selected from the group consisting of vegetable wax, animal wax, mineral wax, and petroleum wax. The method of claim 1, wherein the surfactant is selected from the group consisting of glyceryl stearate, sorbitan sesquioleate, sorbitan olivate, sorbitan stearate, phage-10 dimethicone, laurylpyrid-9 polydimethylsiloxy ethyl dimethacrylate Chitosan, chitosan, chicone, stearic acid, distearyl dimonium chloride, and cetylpyridine / piperidine-10/1 dimethicone. The cosmetic composition according to claim 1, wherein the oil is at least one selected from the group consisting of vegetable oils, mineral oils and synthetic oils. The method according to claim 1, wherein the powder is at least one selected from the group consisting of a clay mineral powder, an inorganic powder and an organic powder,
Wherein the water-in-oil type cosmetic composition is a powder capable of absorption. 10. The cosmetic composition according to claim 9, wherein the powder is hydrophobicized. 1 to 50% by weight of a water-based component, 1 to 20% by weight of an organic UV-blocking agent, 0.1 to 5% by weight of a styrene / acrylate copolymer, 2 to 10% by weight of ceresin, 1 to 10% by weight of a surfactant, 10 to 50% by weight of the composition and 3 to 20% by weight of the powder. 12. The composition of claim 11, wherein the surfactant is selected from the group consisting of: 1 to 5 wt.% Cetylpiperazine / piperidine-10/1 dimethicone, 0.1 to 5 wt.% Sorbitan olivate, 0.01 to 2 wt.% Stearic acid, 0.01 to 2% by weight of dimonium chloride, based on the total weight of the cosmetic composition. 12. The cosmetic composition of claim 11, wherein the powder comprises from 2 to 15% by weight of silica and from 0.1 to 5% by weight of vinyl dimethicone / methicillosilsesquioxane crosspolymer. 14. The composition according to any one of claims 1 to 13, wherein the composition has a SPF of 50 to 80 and a PA (PA) of triple plus (PA +++) UV-blocking cosmetic composition for water-in-oil type.