KR20170012056A - Organic UV-cut agent free cosmetic composition for blocking UV - Google Patents

Abstract

Provided is an organic sunscreen-free cosmetic composition for blocking UV which shows excellent usability and spreadability while it is possible to be used for sensitive skin by not containing an organic sunscreen. The composition of the present invention has low viscosity and shows high formulation stability while including a high-content inorganic sunscreen.

Description

TECHNICAL FIELD [0001] The present invention relates to a cosmetic composition for organic UV-

The present invention relates to an ultraviolet screening composition.

Sunscreens include organic sunscreens and inorganic sunscreens. The organic UV blocking agent is also referred to as an organic UV absorbing agent and is difficult to provide a high ultraviolet blocking effect because it is difficult to use in large quantities due to its low stability due to precipitation during long-term storage. The use of inorganic sunscreen agents has been found to be unpleasant to consumers due to the sticky residue on the skin and the useless use of the skin due to low water resistance, adhesion, and skin feeling when contained in large quantities.

Accordingly, conventionally, there has been provided a cosmetic composition for ultraviolet ray shielding in which an organic ultraviolet screening agent and an inorganic ultraviolet screening agent are appropriately mixed. According to Sinister side sunscreens, Rob Edwards, New Scientist , 7 October 2000, more than 90% of UV cosmetics around the world are reported to be using organic and inorganic sunscreens such as octyl methoxycinnamate There is a bar.

However, even when the organic UV blocking agent is contained in a small amount in the composition, it may be absorbed into the skin to cause skin irritation when applied to infants or users having sensitive skin.

Sinister side of sunscreens, Rob Edwards, New Scientist, 7 October 2000

It is an object of the present invention to provide a cosmetic composition for free ultraviolet screening free organic sunscreen agent which can be used for soft skin or sensitive skin such as a baby or a child without containing an organic sunscreen agent, .

Another object of the present invention is to provide a cosmetic composition for organic UV screening free ultraviolet screening which has a high content of an inorganic UV screening agent and is low in viscosity and excellent in formulation stability.

Another object of the present invention is to provide a cosmetic comprising a cosmetic composition which is usable for weak or sensitive skin, has excellent feeling of use, and is excellent in formulation stability.

According to one aspect of the present invention, there is provided an ultraviolet screening composition comprising an inorganic UV blocking agent, a pigment, and a silicone oil, wherein the pigment includes white pigment and colored pigment, Free ultraviolet screening cosmetic composition comprising an ultraviolet screening agent, a dispersing agent for coloring pigments, a dispersing agent for the colored pigment, and a silicone emulsifier, and does not contain an organic ultraviolet screening agent.

Further, one aspect of the present invention provides a cosmetic composition comprising the cosmetic composition for blocking the organic ultraviolet screening agent and the foamed foam carrier impregnated with the ultraviolet screening cosmetic composition.

The cosmetic composition for protecting ultraviolet rays according to the present invention does not contain an organic sunscreen agent as an ultraviolet screening agent but contains only an inorganic sunscreen agent, so that no irritation to the skin occurs due to an organic sunscreen agent, so that it can be used for sensitive skin. Therefore, it can be safely used even after receiving sensitive skin or infant skin or dermatologic procedures.

The present invention also relates to a cosmetic composition comprising a high volatile silicone oil and volatile volatile substances which are volatilized after being applied to the skin to provide a feeling of freshness and light feeling even though the cosmetic composition contains an inorganic ultraviolet screening agent and a pigment in a high content, It is possible to provide a dull feeling, a close feeling, and a thin thickness feeling.

Further, the composition according to the present invention can be prepared by controlling the ratio of the silicone emulsifier, the white pigment dispersant, and the colorant pigment dispersant to a high content of the inorganic ultraviolet screening agent and the pigment, Stability can be shown. Therefore, even when the composition has a low viscosity, the formulation is stable, and in particular, it can have better formulation stability when impregnated into a foamed foam carrier.

1 shows the degree of separation of oil phase after 7 days from the production of Comparative Example 1, Example 1 and Comparative Example 2 according to the content ratio of the white pigment dispersant and the pigment dispersant and the silicone emulsifier contained in the cosmetic composition for UV shielding, Showing the results of observation of the side surface of the container containing the composition.
Fig. 2 shows the degree of oil separation after 7 days from the production of Comparative Example 1, Example 1 and Comparative Example 2 according to the content ratio of the white pigment dispersant and the pigment dispersant and the silicone emulsifier contained in the cosmetic composition for UV screening, FIG. 3 is a top view of a container containing the composition. FIG.
3 is a graph showing the viscosity transition of the composition in order to analyze the formulation stability of Example 1. Fig.
4 is a chart showing the results of evaluating the satisfaction of Example 1 for a sensitive skin patient (1: not very good, 2: not good, 3: weak, 4: good, 5: very good)
FIG. 5 is a graph showing the results of evaluating the satisfaction level of Example 1 with respect to acne skin patients among the sensitive skin.
FIG. 6 is a graph showing the results of evaluating the degree of satisfaction of Example 1 for patients with sensitive skin erythema-sensitized skin.
FIG. 7 is a graph showing the results of evaluating the degree of satisfaction of Example 1 for a patient suffering from extremely dry skin burning sensation.
FIG. 8 is a graph showing the results of evaluating the satisfaction level of Example 1 for patients with seborrheic dermatoses among the sensitive skin.

Hereinafter, the present invention will be described in detail.

An embodiment of the present invention includes an inorganic sunscreen agent, a pigment and a silicone oil, wherein the pigment comprises white pigments and colored pigments, wherein the dispersant of the white pigments, the dispersant of the colored pigments, An organic sunscreen free cosmetic composition comprising an emulsifier and free of an organic ultraviolet screening agent.

Unlike inorganic sunscreen agents which physically scatter ultraviolet rays and prevent ultraviolet rays from penetrating into the skin, organic sunscreens prevent ultraviolet rays from penetrating into the skin by chemical absorption. Therefore, the organic sunscreen agent absorbs ultraviolet rays when exposed to a large amount of water, and is chemically activated to show irritation or toxicity to the skin. If the skin is weak or sensitive, application of a small amount may cause side effects such as contact dermatitis.

Accordingly, the present invention provides a cosmetic composition which excludes the use of an organic ultraviolet screening agent as an ultraviolet screening agent and contains only an inorganic ultraviolet screening agent. Thus, it is possible to provide not only normal skin but also skin To provide a cosmetic composition which can be used.

In addition, one embodiment of the present invention is to provide a cosmetic composition which contains a large amount of an inorganic ultraviolet screening agent and a pigment for a high ultraviolet shielding effect and a cosmetic effect, and can control a blending ratio and a blending component of silicone oil, silicone emulsifier and pigment dispersant, It is possible to provide a composition having improved formulation stability and stickiness feeling, which has been pointed out as a problem in containing an inorganic UV blocking agent and pigment.

In view of the above, the composition according to an embodiment of the present invention is an inorganic UV-screening agent, which comprises titanium dioxide having an average particle size of 1 to 100 nm, zinc oxide having an average particle size of 1 to 100 nm, , But it is not limited thereto. The inorganic UV blocking agent may have an average particle size of, for example, from 5 to 90 nm and may have an average particle size of, for example, from 7 to 80 nm, and may have an average particle size of, for example, from 8 to 70 nm, For example, an average particle size of from 9 to 60 nm, and may have an average particle size of, for example, from 10 to 50 nm. The above-mentioned titanium dioxide having an average particle size of 1 to 100 nm is a physical ultraviolet blocking component having UV-A and UV-B scattering effects, and has a high effect of blocking ultraviolet rays, and can suppress sweating and give transparency to the skin. The above-mentioned zinc oxide having an average particle size of 1 to 100 nm is a physical ultraviolet shielding component having UV-A and UV-B scattering effects, and is free from toxicity, and has a high light resistance, high heat resistance and heat resistance and forms a protective film against sunlight and other stimuli Convergence, preservation, antibacterial action.

The composition according to an embodiment of the present invention may include white pigments and colored pigments as pigments. More specifically, the white pigments may comprise at least one of titanium dioxide and zinc oxide having an average particle size of greater than 100 nm to 10 μm. The white pigments may have an average particle size of, for example, 110 nm to 10 μm, and may have an average particle size of, for example, 120 nm to 9 μm, and may have an average particle size of, for example, 130 nm to 8 μm, For example an average particle size of from 140 nm to 7 [mu] m.

The colored pigment is a pigment that exhibits a color other than white. Examples of the pigment include iron oxide, PMMA (polymethylmethacrylate), silica, nylon, polyurethane, ultramarine, pearl, synthetic mica, mica, talc, Site and boron nitride, but the present invention is not limited thereto. The colored pigments may have an average particle size of, for example, from 4 to 200 μm and may have an average particle size of, for example, from 5 to 150 μm and may have an average particle size of, for example, from 6 to 100 μm, For example an average particle size of 7 to 90 [mu] m.

In one embodiment, the composition may comprise, for example, from 20 to 30% by weight, such as from 21 to 29% by weight, based on the total weight of the composition, of the inorganic ultraviolet screening agent and pigment, By weight and 22 to 28% by weight. Specifically, in one embodiment, the composition may include, for example, from 19 to 29% by weight of the inorganic UV blocking agent, for example, from 20 to 28% by weight based on the total weight of the composition, By weight and 21 to 27% by weight. In one embodiment, the composition may include, for example, from 1 to 11% by weight, for example, from 1.5 to 10% by weight, based on the total weight of the composition, of the white pigment and the color pigment, For example from 2 to 8% by weight.

If the content of the inorganic ultraviolet screening agent is less than 19% by weight, for example, the effect of ultraviolet ray shielding effect is less than 20 (SPF index) and the effect of skin adhesion, color expression, Development and drying tend to become worse, there is a fear of irritation of the skin, and an excessively high viscosity may cause a feeling of use to become stiff and a coagulation phenomenon may occur.

By incorporating a high content of the inorganic ultraviolet screening agent as described above, the present invention can provide a high ultraviolet screening ability. Specifically, the cosmetic composition for protecting ultraviolet rays may have a sun protection factor (SPF) of, for example, 20 or more, for example, 30 or more. The protection grade of UVA, PA may be double positive (PA ++) to triple positive (PA +++).

The composition according to an embodiment of the present invention may include a volatile silicone oil as a silicone oil. In this case, volatile silicone oil means silicone oil which is volatilized by 20% or more when left at room temperature for 2 hours. For example, the volatile silicone oil may be selected from the group consisting of, for example, METHYL TRIMETHICONE, DIMETHICONE, TRISILOXANE, CYCLOPENTASILOXANE and CYCLOHEXASILOXANE And may include at least one selected. The silicone oil may be used singly or in combination of two or more as necessary. Volatile hydrocarbon oils or heavy ester oils can be heavy and sticky while volatile silicone oils are rapidly volatilized when applying the cosmetic composition to the skin to give a feeling of use very lightly, Spreadability, and the like. In addition, it is possible to provide safety, excellent water resistance and moisturizing shielding effect.

The composition may contain the silicone oil in an amount of 10 to 35% by weight based on the total weight of the composition. More specifically, the composition may comprise at least 10 wt%, at least 15 wt%, at least 20 wt%, at least 25 wt%, or at least 30 wt% and at least 35 wt% of the silicone oil and at least 35 wt% , 30 wt% or less, 25 wt% or less, 20 wt% or less, 15 wt% or less, or 10 wt%. If it is contained in an amount of more than 35% by weight, moisture sensitivity and oily feeling may occur. If the amount is less than 10% by weight, a feeling of fresh feeling can not be obtained.

When the volatile silicone oil is mixed with an inorganic UV blocking agent and pigment having a high polarity and a high density, the oil easily migrates to the upper layer due to gravity, and the oil phase is separated immediately after a few hours, and an inorganic UV blocking agent and pigment Can be precipitated, making it difficult to obtain a homogeneous ultraviolet blocking value within the entire formulation of the composition.

One embodiment of the present invention includes a silicone emulsifier, and the silicone emulsifier is exemplified by a silicone system including at least one of polyethylene glycol (PEG), polypropylene glycol (PPG), and polyglyceryl group . The more polymer-type silicone emulsions with at least one of polyethylene glycol (PEG), polypropylene glycol (PPG) and polyglyceryl groups attached to the side chain in a comb-like form, In addition, the dispersibility of inorganic UV blocking agents having high polarity can be improved. The emulsifier may be, for example, PEG-10 Dimethicone, Cetyl PEG / PPG-10/1 Dimethicone, Lauryl Phage-9 Poly Lauryl PEG-9 Polydimethylsiloxyethyl Dimethicone, Cyclopentasiloxane / PEG.PPG-19.19 Dimyclocene / PEG.PPG-19.19 Dimethicone, Lauryl PEG.PPG-18.18 Methicone (Lauryl PEG- PPG-18.18 Methicone), but the present invention is not limited thereto. Specifically, the emulsifier comprises at least one member selected from the group consisting of lauryl pyridine-9 polydimethylsiloxyethyl dimethicone (LAURYL PEG-9 POLYDIMETHYLSILOXYETHYL DIMETHICONE) and phage-10 dimethicone . More specifically, the composition according to one embodiment may comprise from 0.1 to 12% by weight, based on the total weight of the composition, of lauryl pyridine-9 polydimethylsiloxyethyl dimethicone. When the content of laurylpyridyl-9 polydimethylsiloxyethyl dimethicone is less than 0.1% by weight, the emulsifying power between the inorganic ultraviolet screening agent and the pigment and the silicone oil in the formulation is poor, If the amount is more than 10% by weight, the cosmetic composition may exhibit a feeling of stickiness or numbness. Further, the composition may contain 4.1 to 12% by weight of phage-10 dimethicone based on the total weight of the composition. When the amount of the phage-10 dimethicone is less than 4.1% by weight, the emulsifying property between the inorganic ultraviolet screening agent and the pigment and the silicone oil in the formulation is poor and the oil separation phenomenon may occur. When the amount exceeds 12% by weight, May indicate a feeling of stickiness or numbness.

In order to prevent deterioration of stability due to the high content of the inorganic ultraviolet screening agent and the pigment and to prevent the separation of the emulsifier type, the present invention provides a white pigment dispersant in an amount of 0.1 By weight to 12% by weight. If it is contained in an amount of 0.1% by weight or less, the dispersion stability of the white pigment may be poor due to poor dispersibility in the formulation, and if it exceeds 12% by weight, a specific odor may appear. The colored pigment dispersant may be contained in an amount of 0.1 to 12% by weight based on the total weight of the composition. If it is contained in an amount of 0.1% by weight or less, the dispersibility of the pigment may be poor and the stability of the content may be deteriorated. When the content is more than 12% by weight,

Specifically, the composition of the present invention may include a white pigment dispersant in an amount of 0.1 wt% or more, 1 wt% or more, 2 wt% or more, 3 wt% or more, 4 wt% or more, 5 wt% , At least 6 wt%, at least 7 wt%, at least 8 wt%, at least 9 wt%, at least 10 wt%, or at least 11 wt% , Not more than 9 wt%, not more than 8 wt%, not more than 7 wt%, not more than 6 wt%, not more than 5 wt%, not more than 4 wt%, not more than 3 wt%, not more than 2 wt% or not more than 1 wt% . Alternatively, the white pigment dispersant may be contained in an amount of 2 to 6% by weight.

In addition, the composition of the present invention may contain, as an embodiment, at least 0.1% by weight, at least 1% by weight, at least 2% by weight, at least 3% by weight, at least 4% by weight, at least 5% by weight of the colored pigment dispersant, At least 10 weight percent, at least 11 weight percent, at least 10 weight percent, at least 10 weight percent, at least 10 weight percent, at least 6 weight percent, at least 7 weight percent, at least 8 weight percent, at least 9 weight percent, Not more than 9 wt%, not more than 8 wt%, not more than 7 wt%, not more than 6 wt%, not more than 5 wt%, not more than 4 wt%, not more than 3 wt%, not more than 2 wt% or not more than 1 wt% can do. Alternatively, the coloring pigment dispersant may be contained in an amount of 1 to 3% by weight.

In another embodiment, the composition may comprise the silicone emulsifier, the white pigment dispersant, and the pigment dispersion in a weight ratio of 0.1 to 24: 0.1 to 12: 0.1 to 12. Specifically, the weight ratio is in the range of 5 to 10: 2 to 6: 1 to 3, 2 to 4: 1 to 3: 1, 3.1 to 4: 1.5 to 2.5: . When the composition contains the silicone emulsifier, the white pigment dispersant, and the color pigment dispersant within the weight ratio range, it is possible to obtain an effect that the inorganic UV blocking agent and the pigment are stably dispersed in the formulation without feeling tacky. Outside the ratio range, it may affect the increase of the anti-property and the stability of the formulation in feeling.

In one embodiment, the white pigment dispersant is at least one selected from the group consisting of cyclopentasiloxane and acrylate / ethylhexyl acrylate / dimethicone methacrylate copolymer (ACRYLATES / ETHYLHEXYL ACRYLATE / DIMETHICONE METHACRYLATE COPOLYMER) But is not limited thereto.

In one embodiment, the colored pigment dispersant is selected from the group consisting of ETHYLHEXYL PALMITATE, LECITHIN, POLYHYDROXYSTEARIC ACID, ISOSTEARIC ACID, isopropyl palmitate ISOPROPYL PALMITATE), and POLYGLYCERYL-3 POLYRICINOLEATE. The polyglyceryl-3 polylysinolate may be, but is not limited to,

In one embodiment, the cosmetic composition for protecting the ultraviolet screening agent of the present invention described above may be used for sensitive skin. In the present specification, "sensitive skin" refers to a skin that responds sensitively to irritation, i.e., an irritant substance, an allergic substance, It means the skin that causes it. The sensitive skin is the most intense meaning including all kinds of subjective stimuli such as itching, pain, burning, skin depression, and skin that causes objective stimuli such as dyspepsia, erythema, papules, pustules and blisters. The above-mentioned sensitive skin is the best meaning including not only the skin which causes allergic contact dermatitis or irritant contact dermatitis but also all of the skin including the baby skin and the skin after the dermatological treatment, .

The ultraviolet screening cosmetic composition of the present invention may be a low viscosity composition and may have a viscosity of 5,000 to 25,000 cps (centi poise), for example, to provide a feeling of fresh feeling. In the present invention, the viscosity is measured using a viscosity measuring instrument such as LVDV + PRO, spindle NO. 64, and the spindle speed is 12 RPM.

The ultraviolet screening cosmetic composition according to the present invention may be a liquid, a solid having a viscosity, or a solid including a powder, and more specifically, a liquid composition. The formulation of the cosmetic composition in the present invention may include, but is not limited to, solutions, emulsions, gels, creams, suspensions or paste formulations.

In the present invention, the ultraviolet screening cosmetic composition may contain at least one of an emulsified type, a w / o type, an oil-in-water type, an oil dispersion, a water dispersion and a solubilization composition. For example, makeup primer, makeup base, liquid or solid foundation, BB cream, CC cream, concealer, lipstick, lip gloss, powder, lip liner, eyeliner, mascara, eyebrow, eye shadow, blusher, , Sunscreen agents, lotions, creams or essences, but are not limited thereto.

In addition, the composition according to the present invention may further contain auxiliary components such as coloring matters, fragrances, preservatives and thickeners generally used in the production of a cosmetic composition.

Furthermore, one embodiment of the present invention provides a cosmetic comprising the foamed foam carrier impregnated with the cosmetic composition for protecting the organic ultraviolet screening agent and the organic ultraviolet screening agent. The cosmetic of the present invention can provide a cosmetic which can maintain a high formulation stability even when stored for a long period of time by providing the cosmetic composition for UV screening according to the above embodiments by impregnating the foamed foam carrier.

As used herein, the term "carrier" means that it can carry any substance or component exemplified by a composition, and can also be expressed as a "carrier," In addition, "carrier" may be one which is used to discharge the substance deposited thereon to a separate applicator. The composition carried on the carrier can be delivered to the skin through application means (also referred to as a applicator or applicator) of, for example, a hand, puff, tip, brush or the like.

The term "foamed foam carrier" as used herein means a material capable of supporting any substance or component exemplified by a composition, such as a rubber, a fiber or a resin, which is made into a sponge, . The foamed foam may be a natural foamed foam or a synthetic foamed foam. The natural foamed foam may be made of a material such as sea surface or natural rubber. The material of the foamed synthetic foam may be, for example, Butadiene rubber (BR), styrene-butadiene rubber (SBR), natural rubber (NR), chloroprene rubber (CR), butyl rubber (isoprene-isobutylene rubber (IIR), isoprene rubber (IR), vulcanized ethylene-propylene rubber (EPR), polysulfide rubber, silicone rubber, fluororubber, urethane rubber, (Ethylene propylene diene monomer) rubber, polyvinyl alcohol (PVA), ethylene vinyl acetate (EVA), NR (Nitrile Rubber) and the like.

In the present invention, the polyurethane foam foam, which is a type of the foam foam, is not particularly limited, but may include polyether foamed urethane (based on ether polyol), polyester foamed urethane and polycarbonate foamed urethane And may specifically include a polyether-based foamed urethane.

The polyether-based foamed urethane includes a polyether-based dry-foamed urethane and a polyether-based wet-foamed urethane, and the polyester-based foamed urethane includes a polyester-based dry-foamed urethane and a polyester- The polycarbonate foamed urethane may include a polycarbonate-based dry foamed urethane and a polycarbonate-based wet foamed urethane.

In one embodiment of the present invention, the foamed foam carrier may include pores, whereby the UV-blocking cosmetic composition according to one embodiment of the present invention is impregnated into the pores of the foamed foam carrier, Can be maintained.

In one embodiment, the foamed foam carrier may comprise pores of an average size of 30-2500 microns. The pore size is an average value measured with an optical microscope (NIKON ECLIPSE 80i). If the pore size of the foamed foam carrier is less than 30 탆 on average, the pore space carrying the cosmetic composition is small and the pore capacity is poor. If the average pore size exceeds 2500 탆, the pore space is excessively large, . Herein, "supporting ability" means an ability to hold and hold an arbitrary substance or ingredient. The "supporting ability" required for a carrier is distinguished from the fact that a material is temporarily taken in a coating applicator or the like in that the composition is to be homogeneously carried for a long period of time. Refers to the amount of the cosmetic composition that is discharged when a cosmetic composition is taken from a foamed foam carrying the cosmetic composition by a applicator, and an appropriate amount of the cosmetic composition is discharged in a small amount .

The foamed foam carrier may include 55-130 ppi per inch as an embodiment. If the number of pores per 1 inch of the foamed foam carrier is more than 130 ppi, the pore size is small and the fluidity of the cosmetic composition and the absorption or release of the cosmetic composition are difficult to control. If the pore size is less than 55 ppi, It can fall. In one aspect of the present invention, the "number of pores" refers to the number of pores per inch of the urethane foam. In the present specification, the pore number is measured on a horizontal, vertical 1 inch line using WI-QA-14 The number of pores may be measured and averaged.

In one aspect of the present invention, the density of the foamed foam may be 0.05 to 0.2 g / cm ³ , specifically 0.1 to 0.18 g / cm ³ . If the density of the foamed foam is less than 0.05 g / cm ³ , the cosmetic composition is discharged too much and is inconvenient to use. If the density exceeds 0.2 g / cm ³ , filling and discharging of the cosmetic composition may not be performed well.

In the present specification, the term "durability" means the degree to which the foamed foam can be maintained without being melted, torn or swollen when the foamed composition is loaded on the foamed foam and left for a certain time at a certain temperature and / Means the degree to which the foam foam withstands repetitive pressure by the applicator when taking the cosmetic composition from the foam foam.

In one embodiment of the present invention, the foamed foam may have a thickness of 1 mm to 50 mm. If the thickness of the foamed foam is less than 1 mm, the amount of the cosmetic composition to be loaded is small. If the foamed foam has a thickness exceeding 50 mm, it is difficult to discharge the cosmetic composition without using the remaining amount of the cosmetic composition. The carrier using the foamed foam applied to an embodiment of the present invention may have a thickness of, for example, 3 mm to 45 mm, for example, a thickness of 5 mm to 40 mm, and may have a thickness of 8 mm to 35 mm For example, a thickness of 10 mm to 30 mm. Specifically, the thickness may be 50 mm or less, 40 mm or less, 30 mm or less, 20 mm or less, 10 mm or less, or 5 mm or less, and may be 1 mm or more, 10 mm or more, 20 mm or more, 30 mm or more, 40 mm or more,

The cosmetic composition according to an embodiment of the present invention may be provided to impregnate the foamed foam carrier with the ultraviolet ray blocking cosmetic composition to uniformly confine the ultraviolet ray blocking cosmetic composition between the pores of the carrier. As a result, it is possible to prevent the phenomenon that the inorganic ultraviolet screening agent or the pigment is precipitated and separated from the formulation when stored for a long period of time over several months of the cosmetic composition for ultraviolet ray shielding, thereby providing a cosmetic product having excellent formulation stability and ease of use.

In addition, the cosmetic according to the embodiments of the present invention may further include an applicator for taking the cosmetic composition from the foamed foam carrier impregnated with the ultraviolet shielding cosmetic composition. In addition, the cosmetic may further include a lower portion capable of receiving the cosmetic composition carrier, a mirror and the like, and may further include a container including an upper portion of the lid, generally a cosmetic container called a fact, It is not.

Hereinafter, the present invention will be described in more detail with reference to Examples. It is to be understood by those skilled in the art that these embodiments are only for illustrating the present invention and that the scope of the present invention is not construed as being limited by these embodiments.

[Test Example 1] Comparison of formulation stability

In order to confirm the formulation stability of the cosmetic composition for protecting the organic ultraviolet screening agent according to one embodiment of the present invention, each composition was prepared according to the conventional method in the table below, .

Specifically, silicone oil, white pigment dispersant, colored pigment dispersant, and silicone emulsifier are added at room temperature, mixed with a homogenous mixer for 10 minutes, and then admixed with a homogenizer for 10 minutes. Again, add the inorganic sunscreen, white pigment and colored pigment and mix for 10 minutes with a homogenizer. Finally, the solvent is added and mixed for 10 minutes in a homogenous mixer so that oil and water are mixed and emulsified. Then, the mixture was cooled to obtain UV-screening cosmetic composition Example 1 and Comparative Examples 1 and 2, respectively.

ingredient Raw material name Comparative Example 1 Example 1 Comparative Example 2 Silicone oil CYCLOPENTASILOXANE, CYCLOHEXASILOXANE, 26.42 24.42 25.42 White Pigment Dispersant CYCLOPENTASILOXANE, acrylate / ethylhexyl acrylate / dimethicone methacrylate copolymer (ACRYLATES / ETHYLHEXYL ACRYLATE / DIMETHICONE METHACRYLATE COPOLYMER) 4 4 4 Colored pigment dispersant (ETHYLHEXYL PALMITATE), LECITHIN, POLYHYDROXYSTEARIC ACID, ISOSTEARIC ACID, ISOPROPYL PALMITATE, polyglyceryl-3 polyisocyanate POLYGLYCERYL-3 POLYRICINOLEATE 0 2 2 Silicone emulsifier Lauryl Pigment-9 Polydimethylsiloxyethyl dimethicone (LAURYL PEG-9 POLYDIMETHYLSILOXYETHYL DIMETHICONE) 2 2 2 PEG-10 Dimethicone (PEG-10 DIMETHICONE) 5 5 4 Incrementer DISTEARDIMONIUM HECTORITE < RTI ID = 0.0 > 0.3 0.3 0.3 Inorganic sunscreen agent Titanium dioxide or zinc oxide, 22 22 22 White pigment Titanium dioxide 1.61 1.61 1.61 Colored pigment Iron oxide 1.39 1.39 1.39 menstruum Purified water 37.28 37.2 37.28 Total (% by weight) 100 100 100

25 ml of the respective compositions of Example 1 and Comparative Examples 1 and 2 prepared in the above composition were placed in a 100 ml sample vessel and then placed in a cyclic chamber which was a device whose temperature varied from time to time within the range of -10 ° C to 45.4 ° C Cycle chambers were used to repeat the freezing and thawing process at the above temperature range. The extreme conditions for confirming the formulation stability were set, and the degree of oil separation was visually observed while shaking for 1 week at a speed of 185 rpm. Figs. 1 and 2 are photographs showing the state after 7 days have elapsed.

As a result, in Comparative Example 1 (# 1 in FIG. 1 and FIG. 2), a dye band appeared on the container wall surface, and the dye band was produced by separating the colored pigment from the dosage form by centrifugal force. This is because the dispersibility of the colored pigment in the cosmetic composition is low because it does not contain a coloring pigment dispersant.

In Comparative Example 2 (# 3 in FIG. 1 and FIG. 2), a white band was observed on the wall surface of the container, which means that the oil separation phenomenon occurred in the white band. This is because the emulsifying power was not sufficiently high even though the silicone emulsifier was added due to the high content of white pigments in the formulation.

Example 1 (# 2 in FIG. 1 and FIG. 2) contained a coloring pigment dispersant and contained 2% by weight of laurylpyridyl-9 polydimethylsiloxyethyl dimethicone as a silicone emulsifier, 5% by weight, it is confirmed that the emulsification stability and the dispersibility of the inorganic ultraviolet blocking agent and the pigment are improved as compared with Comparative Examples 1 and 2.

[Test Example 2] Evaluation of formulation stability

In order to evaluate the formulation stability of Example 1 of Test Example 1, the change in viscosity with time after the preparation was analyzed.

Concretely, 25 ml of the composition of Example 1 was placed in a 100 ml sample container. Then, in a cycle chamber, which is a device in which the temperature changes with time in the range of -10 ° C to 45.4 ° C and a thermocouple set at 35 ° C, , 1 day, 2 days, 1 week, 2 weeks, 3 weeks and 4 weeks.

As a result, as shown in the graph of FIG. 3, the viscosity gradually increased after the production, and the viscosity increased about 1.5 times after 2 days. Thereafter, the viscosity was hardly changed and the formulation remained stable without separation I could confirm.

[Test Example 3] Safety evaluation for sensitive skin

In order to evaluate the safety, that is, the suitability of the cosmetic composition for protecting the ultraviolet ray blocking agent according to one embodiment of the present invention against the sensitive skin, the following experiment was conducted using the ultraviolet ray blocking cosmetic composition of Example 1 as follows.

First, six patients with acne-prone skin, three patients with sensitive skin with erythema, four patients with dry and hot skin (extremely dry burning skin), and one patient with seborrheic skin Were applied to the dermatology clinic, respectively, and then the skin and lotion were applied to the skin.

All of the above-mentioned 14 patients used the above Example 1 for about 2 weeks from June 26 to July 8, 2015 in the same step. Then, the suitability of each of the four skin types was evaluated.

FIG. 4 is a graph showing an average of satisfaction with feeling in Example 1 in sensory evaluation of a total of 14 patients having the sensitive skin. Most of them answered that they satisfied with feeling. Especially, they rated 4.1 points higher on moisturizing and wetting after application. When the total satisfaction was 100 out of 100 points, 89 points and about 90% showed satisfactory feeling for use of the cosmetic composition for UV protection of the present invention. This means that the composition of the present invention can provide a feeling of excellent feeling even though it contains a large amount of an inorganic ultraviolet screening agent and a pigment and does not contain an organic ultraviolet screening agent.

The results of the sensory evaluation on the irritation are shown in Table 2 below.

Whether stimulation The details division U radish 3 out of 14 felt a slight irritation Stinginess One 13 - Skin type: Extremely dry skin
- Late: Temporarily stung immediately after use
I felt it, but it soon disappeared. erubescence One 13 - skin type: erythematous skin
- Late: After 5 minutes of application, the part of the ball and the redness of the eyes slightly. Disappear after this itch One 13 - Skin type: Acne skin
- Latter period: Cotton was not worsened, but temporary cotton area was itching

As shown in Table 2, 13 out of 14 respondents said that they did not feel irritation after use, and it can be confirmed that the composition of the present invention is suitable for sensitive skin since it does not contain an organic sunscreen.

5 to 8 show the results of sensory evaluation for the stimuli, spreadability, coverage, and moistness of the four skin types. Most of the stimuli did not feel skin irritation due to the use of the composition according to the present invention. In the sense of use, it showed high satisfaction in spreading and moisturizing.

As described above, the cosmetic dermatological science research group of the present invention and the patient having sensitive skin have the ultraviolet screening cosmetic composition of the present invention having a very low degree of irritation, so that it is suitable for use in sensitive skin, and satisfactory in moisturizing ability and feeling Respectively.

While the present invention has been particularly shown and described with reference to specific embodiments thereof, those skilled in the art will readily appreciate that many modifications are possible in the exemplary embodiments without materially departing from the novel teachings and advantages of this invention. something to do. Accordingly, the actual scope of the present invention will be defined by the appended claims and their equivalents.

Claims (16)

Inorganic sunscreens, pigments and silicone oils,
Wherein the pigment comprises white pigments and colored pigments,
A dispersant of the white pigment, a dispersant of the colored pigment, and a silicone emulsifier,
A cosmetic composition for organic sunscreen free sunscreen free of organic sunscreen agents. The cosmetic composition according to claim 1, wherein the inorganic UV-blocking agent comprises at least one of titanium dioxide and zinc oxide having an average particle size of 1 to 100 nm. The method of claim 1, wherein the white pigment comprises at least one of titanium dioxide and zinc oxide having an average particle size of greater than 100 nm to 10 < RTI ID = 0.0 >
Wherein the colored pigment comprises iron oxide. ≪ RTI ID = 0.0 > 11. < / RTI > The cosmetic composition according to claim 1, wherein the composition comprises 20 to 30% by weight of the inorganic ultraviolet screening agent, white pigment, and colored pigment in a total amount of 20 to 30% by weight based on the total weight of the composition. The silicone oil according to claim 1, wherein the silicone oil is selected from the group consisting of METHYL TRIMETICONE, DIMETHICONE, TRISILOXANE, CYCLOPENTASILOXANE, and CYCLOHEXASILOXANE. By weight based on the total weight of the cosmetic composition. The cosmetic composition according to claim 1, wherein the composition comprises 10 to 35% by weight of the silicone oil based on the total weight of the composition. The method of claim 1, wherein the silicone emulsifier is selected from the group consisting of PEG-10 Dimethicone, Cetyl PEG / PPG-10/1 Dimethicone, 9-polydimethylsiloxyethyl dimethicone, cyclopentasiloxane / PEG.PPG-19.19 dimethicone (PEG.PPG-19.19 Dimethicone) and lauryl PEG.PPG-18.18 methicone (Lauryl PEG.PPG-18.18 Methicone). ≪ / RTI > 8. The composition of claim 7, wherein the composition comprises lauryl pyridine-9 polydimethylsiloxyethyl dimethicone at 0.1 to 12 wt%
10 SIMILAR 10% by weight based on the total weight of the composition. ≪ RTI ID = 0.0 > 11. < / RTI > The method of claim 1, wherein the dispersant of the white pigment is selected from the group consisting of CYCLOPENTASILOXANE and an acrylate / ethylhexyl acrylate / dimethicone methacrylate copolymer (ACRYLATES / ETHYLHEXYL ACRYLATE / DIMETHICONE METHACRYLATE COPOLYMER) Wherein the cosmetic composition comprises at least one organic UV-blocking agent. The cosmetic composition according to claim 1, wherein the composition comprises 0.1 to 12 wt% of the dispersant of the white pigment, based on the total weight of the composition. The method of claim 1, wherein the dispersing agent of the colored pigment is selected from the group consisting of ETHYLHEXYL PALMITATE, LECITHIN, POLYHYDROXYSTEARIC ACID, ISOSTEARIC ACID, Wherein the cosmetic composition comprises at least one selected from the group consisting of ISOPROPYL PALMITATE and POLYGLYCERYL-3 POLYRICINOLEATE. The cosmetic composition according to claim 1, wherein the composition comprises 0.1 to 12% by weight of the coloring pigment dispersant based on the total weight of the composition. The cosmetic composition according to claim 1, wherein the composition comprises the silicone emulsifier, the dispersing agent for white pigment, and the dispersing agent for coloring pigment in a weight ratio of 2: 4: 1 to 3: 1. The cosmetic composition according to claim 1, wherein the composition has a viscosity of 5,000 to 25,000 cps (centi poise). 15. The cosmetic composition according to any one of claims 1 to 14, wherein the composition is for sensitive skin. The cosmetic composition for protecting ultraviolet rays of ultraviolet rays according to any one of claims 1 to 14; And
A foamed foam carrier impregnated with the ultraviolet shielding cosmetic composition;
Including cosmetics.

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