WO2017014519A1 - Organic ultraviolet blocking agent-free ultraviolet blocking cosmetic composition - Google Patents

Abstract

The present invention provides an ultraviolet blocking cosmetic composition which does not contain an organic ultraviolet blocking agent and thus can be used on sensitive skin, while also providing excellent feeling of use and spreadability. The composition of the present invention has a low viscosity and can exhibit high formulation stability while containing a high content of inorganic ultraviolet blocking agent.

Description

Organic sunscreen free sunscreen cosmetic composition

The present invention relates to a composition for sun protection.

Sunscreens include organic sunscreens and inorganic sunscreens. Organic sunscreens are also called organic UV absorbers and are difficult to use because they are difficult to use in large quantities due to their low stability due to their long-term storage. Inorganic sunscreens have low applicability, adhesion, thickness, etc. to the skin when they contain a large amount, and consumers have been uncomfortable when using the skin due to sticky residue and wet usability.

In the related art, there has been provided a sunscreen cosmetic composition in which the organic sunscreen and inorganic sunscreen are properly mixed. Sinister side of sunscreens, Rob Edwards, New Scientist , 7 October 2000 According to a paper, more than 90% of the world's sunscreen cosmetics use organic sunscreens such as octyl methoxy cinnamates and inorganic sunscreens. There is a bar.

However, such organic sunscreens may be absorbed into the skin and cause skin irritation when applied to infants or users with sensitive skin even when contained in a small amount in the composition.

One object of the present invention is to provide an organic sunscreen free sunscreen cosmetic composition that does not contain an organic sunscreen and can be used on soft or sensitive skin such as babies or children, yet exhibits excellent usability and spreadability. .

Another object of the present invention to provide an organic sunscreen-free sunscreen cosmetic composition having a low viscosity and excellent formulation stability while containing an inorganic sunscreen in a high content.

Still another object of the present invention is to provide a cosmetic comprising a cosmetic composition which can be used on soft or sensitive skin, has excellent usability, and has excellent formulation stability.

In order to solve the above object, an aspect of the present invention, an inorganic sunscreen, pigment (pigment) and a silicone oil, the pigment comprises a white pigment and colored pigment, the white pigment Provided is a cosmetic composition for organic sunscreen free sunscreen, comprising a dispersant for a pigment, a dispersant for the colored pigment and a silicone emulsifier, and no organic sunscreen.

In addition, an aspect of the present invention provides a cosmetic comprising the foam composition carrier impregnated with the organic sunscreen pre-sunscreen cosmetic composition, and the sunscreen cosmetic composition.

Since the cosmetic composition for sunscreen according to the present invention does not contain an organic sunscreen as a sunscreen and contains only an inorganic sunscreen, irritation to the skin due to the organic sunscreen does not occur, and thus it can be used for sensitive skin. Therefore, it can be used safely even after undergoing sensitive skin or infant skin, dermatology.

In addition, the present invention is a volatile substance is volatilized after being applied to the skin by including a high volatile silicone oil, it is possible to implement a fresh and light feeling even when containing a high amount of inorganic sunscreen and pigment, excellent cosmetic composition to the skin It can provide applicability, fit and thinness.

Furthermore, the composition according to the present invention comprises a high content of inorganic sunscreens and pigments by controlling the ratio of the silicone emulsifier, white pigment dispersant and colored pigment dispersant, but excellent without water-oil separation between emulsion formulations. It can indicate stability. Therefore, even when the composition has a low viscosity, the formulation is stable, and in particular, when impregnated into the foam foam carrier may have a superior formulation stability.

1 is a visual observation of the degree of oil phase separation after 7 days of preparation of Comparative Example 1, Example 1 and Comparative Example 2 according to the content ratio of the white pigment dispersant and the colored pigment dispersant and silicone emulsifier contained in the cosmetic composition for sun protection As a result of observing, the side of the container containing the composition is photographed.

2 is a visual observation of the degree of oil phase separation after 7 days of preparation of Comparative Examples 1, 1 and 2 according to the content ratio of the white pigment dispersant and the colored pigment dispersant and the silicone emulsifier contained in the cosmetic composition for sunscreen As a result of observing, it is a diagram photographing the upper portion of the container containing the composition.

Figure 3 is a view showing the observation of the viscosity trend of the composition for analyzing the formulation stability of Example 1.

Figure 4 is a diagram showing the results of evaluating the satisfaction of Example 1 for patients with sensitive skin. (1: very poor, 2: poor, 3: weak, 4: good, 5: very good)

Figure 5 is a diagram showing the results of evaluating the satisfaction of Example 1 for patients with acne skin of sensitive skin.

Figure 6 is a diagram showing the results of evaluating the satisfaction of Example 1 for patients with erythema sensitive skin of sensitive skin.

7 is a view showing the results of evaluating the satisfaction of Example 1 for patients with sensitive dry burning skin of sensitive skin.

8 is a view showing the results of evaluating the satisfaction of Example 1 for patients with seborrheic skin among sensitive skin.

Hereinafter, the present invention will be described in detail.

One embodiment of the present invention includes an inorganic sunscreen, pigments and silicone oils, the pigments include white pigments and colored pigments, dispersant of the white pigment, dispersant of the colored pigment and silicone An organic sunscreen free sunscreen cosmetic composition comprising an emulsifier and no organic sunscreen is provided.

Unlike inorganic sunscreens, which physically scatter and reflect ultraviolet light to prevent ultraviolet light from penetrating into the skin, organic sunscreens prevent the penetration of ultraviolet light into the skin by chemical absorption. Therefore, the organic sunscreen absorbs ultraviolet rays and is chemically activated when applied in large amounts, which may cause irritation or toxicity on the skin. If the skin is weak or sensitive, even a small amount may cause side effects such as contact dermatitis on the skin.

Accordingly, the present invention provides a cosmetic composition containing only inorganic sunscreens by eliminating the use of organic sunscreens as the sunscreen as described above, thereby relieving not only normal skin, but also infant skin, sensitive skin, and skin after dermatological procedures, which are weak to irritation. And it can provide the cosmetic composition which can be used.

In addition, one embodiment of the present invention contains a large amount of inorganic sunscreens and pigments for a high sunscreen effect and cosmetic effect, while adjusting the blending ratio and the blending ingredients of silicone oil, silicone emulsifiers and pigment dispersant It is possible to provide a composition having improved formulation stability, sticky feeling, and the like, which have been pointed out as a problem in containing inorganic sunscreen and pigment.

In view of the above, the composition according to the exemplary embodiment of the present invention is an inorganic sunscreen, which is titanium dioxide having an average particle size of 1 to 100 nm and zinc oxide having an average particle size of 1 to 100 nm. It may include one or more selected from the group consisting of, but is not limited thereto. The inorganic sunscreen may for example have an average particle size of 5 to 90 nm, for example may have an average particle size of 7 to 80 nm, for example may have an average particle size of 8 to 70 nm, For example, it may have an average particle size of 9 to 60 nm, for example, it may have an average particle size of 10 to 50 nm. Titanium dioxide having an average particle size of 1 to 100nm is a physical UV blocking component having a UV-A and UV-B scattering effect has a high effect of blocking ultraviolet rays, and can suppress the sweating to give the skin a transparency. The zinc oxide having an average particle size of 1 to 100nm is a physical UV blocking component having UV-A and UV-B scattering effects, and is not toxic, and has high light resistance, dry resistance, and heat resistance, and forms a protective film from sunlight or other stimuli. Convergence, antiseptic, antibacterial effect.

The composition according to the embodiment of the present invention may include white pigments and colored pigments as pigments. More specifically, the white pigment may include one or more of titanium dioxide and zinc oxide having an average particle size of more than 100 nm to 10 μm. The white pigment may for example have an average particle size of 110 nm to 10 μm, for example may have an average particle size of 120 nm to 9 μm, for example may have an average particle size of 130 nm to 8 μm, For example, it may have an average particle size of 140nm to 7μm.

The colored pigment is a pigment which shows a color other than white, and includes iron oxide, PMMA (polymethyl methacrylate), silica, nylon, polyurethane, ultramarine, pearl, synthetic mica, mica, talc, and seri. One or more selected from the group consisting of sight and boron nitride may be used in combination, but is not limited thereto. The colored pigment may for example have an average particle size of 4 to 200 μm, for example may have an average particle size of 5 to 150 μm, for example may have an average particle size of 6 to 100 μm, For example, it may have an average particle size of 7 to 90 μm.

In one embodiment, the composition may include, for example, 20 to 30% by weight, for example 21 to 29% by weight based on the total weight of the inorganic sunscreen and pigment composition, for example For example, it may include 22 to 28% by weight. Specifically, as an embodiment, the composition may include, for example, 19 to 29% by weight, for example, 20 to 28% by weight, based on the total weight of the inorganic sunscreen agent. For example, it may include 21 to 27% by weight. In one embodiment, the composition may include, for example, 1 to 11% by weight, for example, 1.5 to 10% by weight, based on the total weight of the composition and the white pigment and colored pigment, For example, it may include 2 to 8% by weight.

If the content of the inorganic sunscreen is less than 19% by weight, for example, the UV protection effect is less than 20 (SPF index) or less, and the effects of adhesion to the skin, color expression, thickening, etc. are insignificant. The development and drying may be severe or skin irritation may occur, and an excessive increase in viscosity may lead to a stiffness of use and agglomeration of the formulation.

The present invention can provide a high sunscreen ability by including an inorganic sunscreen in a high content as described above. Specifically, the sunscreen cosmetic composition may have a sun protection factor (SPF) of, for example, 20 or more, for example, 30 or more. Protection grade of UVA (PA) may be double plus (PA ++) to triple plus (PA +++).

The composition according to an embodiment of the present invention may include a volatile silicone oil as a silicone oil. At this time, the volatile silicone oil means a silicone oil that is volatilized more than 20% when left at room temperature for 2 hours. For example, the volatile silicone oil is, for example, in the group consisting of METHYL TRIMETHICONE, DIMETHICONE, trisiloxane (TRISILOXANE), cyclopentasiloxane (CYCLOPENTASILOXANE) and cyclohexasiloxane (CYCLOHEXASILOXANE). It may include one or more selected. The said silicone oil can be used 1 type or in combination of 2 or more types as needed. While oily non-volatile hydrocarbon oils or heavy ester oils can be heavy and sticky when used mainly, volatile silicone oils are rapidly volatilized when applying the cosmetic composition to the skin, making them very light and excellent in application. The usability of usability, such as spreadability, can be provided. It can also provide safety, excellent water resistance and a moisturizing shielding effect.

The composition may comprise 10 to 35% by weight of the silicone oil based on the total weight of the composition. More specifically, the composition may include at least 10% by weight, 15% by weight, 20% by weight, 25% by weight or 30% by weight, 35% by weight, 35% by weight or less of the silicone oil , 30 wt% or less, 25 wt% or less, 20 wt% or less, 15 wt% or less, or 10 wt%. When included in more than 35% by weight may cause a decrease in moisture and oily feeling, when included in less than 10% by weight it is not possible to obtain a fresh feeling.

When the volatile silicone oil is highly polarized and dense with inorganic sunscreens and pigments, the oil easily floats to the upper layer by gravity due to gravity, and the oil phase is separated immediately after several hours. May precipitate, making it difficult to ensure homogeneous sun protection values in the overall formulation of the composition.

Accordingly, an embodiment of the present invention includes a silicone emulsifier, and the silicone emulsifier may include a silicone-based polymer including one or more of polyethylene glycol (PEG), polypropylene glycol (PPG), and polyglyceryl group. Can be. The polymer type silicone emulsifier in which at least one of polyethylene glycol (PEG), polypropylene glycol (PPG), and polyglyceryl group is attached to the side chain in the form of comb-like shape is more effective in improving stability between oil phases. In addition, it is possible to improve the dispersibility of highly polar inorganic sunscreens. The emulsifiers are, for example, PIG-10 Dimethicone, Cetyl PEG / PG-10-10 / 1 Dimethicone, Lauryl Fiji-9 Poly Lauryl PEG-9 Polydimethylsiloxyethyl Dimethicone, Cyclopentasiloxane / PEG.PPG-19.19 Dimethicone, Lauryl PEG.PPG-18.18 Methicone (Lauryl PEG. One or more species may be used in the group consisting of silicones such as PPG-18.18 Methicone), but is not limited thereto. Specifically, the emulsifier may include at least one selected from the group consisting of lauryl PEG-9 POLYDIMETHYLSILOXYETHYL DIMETHICONE and PIG-10 dimethicone. Can be. More specifically, the composition according to one embodiment may include lauryl fiji-9 polydimethylsiloxyethyl dimethicone in an amount of 0.1 to 12% by weight based on the total weight of the composition. Including less than 0.1% by weight of lauryl PHYG-9 polydimethylsiloxyethyl dimethicone may result in oil separation due to the poor emulsifying power between the inorganic sunscreen and pigment and silicone oil in the formulation. When the weight percentage is exceeded, the cosmetic composition may exhibit a sticky or wet feeling. In addition, the composition may include a PHYG-10 dimethicone in an amount of 4.1 to 12% by weight based on the total weight of the composition. If it contains less than 4.1 wt% of PHYG-10 dimethicone, oil separation may occur due to poor emulsification between the high content of inorganic sunscreen and pigment and silicone oil in the formulation. It can be sticky or wet.

In addition, the present invention in order to prevent the separation phenomenon between the emulsifier type by improving the degradation of the stability by containing the inorganic sunscreen and pigment in a high content, as an embodiment white pigment dispersant 0.1 to the total weight of the composition To 12 wt%. If the content is less than 0.1% by weight, the dispersion of the white pigment may not be good, and thus the stability of the content may be deteriorated. In addition, the colored pigment dispersant may include 0.1 to 12% by weight based on the total weight of the composition. If the content is less than 0.1% by weight, the dispersibility of the pigment may not be good, and thus the stability of the content may be deteriorated.

Specifically, the composition of the present invention is a white pigment dispersant in one embodiment of 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, 5% by weight relative to the total weight of the composition It may include at least%, at least 6% by weight, at least 7% by weight, at least 8% by weight, at least 9% by weight, at least 10% by weight, or at least 11% by weight, 12% by weight, 11% by weight, 10% by weight. Up to 9 wt%, up to 8 wt%, up to 7 wt%, up to 6 wt%, up to 5 wt%, up to 4 wt%, up to 3 wt%, up to 2 wt% or up to 1 wt% Can be. Alternatively, the white pigment dispersant may include 2 to 6 wt%.

In addition, the composition of the present invention, as an example, the colored pigment dispersant in an amount of at least 0.1 wt%, at least 1 wt%, at least 2 wt%, at least 3 wt%, at least 4 wt%, based on the total weight of the composition. It may include at least weight percent, at least 6 weight percent, at least 7 weight percent, at least 8 weight percent, at least 9 weight percent, at least 10 weight percent, or at least 11 weight percent, 12 weight percent or less, 11 weight percent or less, and 10 weight percent. Up to 9 wt%, up to 8 wt%, up to 7 wt%, up to 6 wt%, up to 5 wt%, up to 4 wt%, up to 3 wt%, up to 2 wt% or up to 1 wt% can do. Alternatively, the colored pigment dispersant may include 1 to 3% by weight.

As another embodiment, the composition may include the silicone emulsifier, the white pigment dispersant and the colored pigment dispersant in a weight ratio of 0.1 to 24: 0.1 to 12: 0.1 to 12. Specifically, the weight ratio is 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: 1, more specifically, the weight ratio is 7: 4: 2: Can be. When the composition includes the silicone emulsifier, the white pigment dispersant and the colored pigment dispersant within the weight ratio range, the inorganic sunscreen and the pigment in the formulation may be stably dispersed without a sticky feeling. Outside of the ratio range may affect the increase of anti-property and formulation stability.

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

In one embodiment, the colored pigment dispersant is ethylhexyl palmitate, lecithin, polyhydroxystearic acid, isostearic acid, isopropyl palmitate ISOPROPYL PALMITATE) and POLYGLYCERYL-3 POLYRICINOLEATE), but are not limited thereto.

In one embodiment, the above-described organic sunscreen free sunscreen cosmetic composition of the present invention may be for sensitive skin (sensitive skin). As used herein, "sensitive skin" is a skin that responds sensitively to stimuli, that is, it reacts more sensitively than a skin of a normal person to external irritants, allergic substances or environmental changes or internal causes of the body to stimulate stimulation reactions or dermatitis well. Means causing skin. The sensitive skin has the broadest meaning including all the subjective stimuli such as itching, pain, burning, and skin pulling and causing objective irritation such as drought, erythema, papules, pustules and blisters. The sensitive skin is not only a skin that causes allergic contact dermatitis or irritant contact dermatitis, but also a feeling of burning or discomfort of the face by cosmetics. .

The sunscreen cosmetic composition of the present invention may be a low viscosity composition, for example, may have a viscosity of 5,000 to 25,000 cps (centi poise) to provide a fresh feeling. The viscosity in the present invention is a viscosity measuring device, for example LVDV + PRO, spindle NO. 64, spindle speed 12 RPM.

The sunscreen cosmetic composition according to the present invention may be a liquid phase, a solid phase having a viscosity, a solid containing a powder, and more specifically, may be a liquid composition. In the present invention, the formulation of the cosmetic composition may include, but is not limited to, a solution, emulsion, gel, cream, suspension or paste formulation.

In the present invention, the sunscreen cosmetic composition may include one or more of an emulsified type, water-in-oil (W / O) type or oil-in-water (O / W) type, oil dispersion, water dispersion and solubilizing 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, eyeshadow, blusher, twin cake It may be formulated as a sunscreen, lotion, cream or essence, but is not limited thereto.

In addition, the composition according to the present invention may generally further contain auxiliary components such as pigments, flavors, preservatives and thickeners commonly used in the production of cosmetic compositions.

Furthermore, one embodiment of the present invention provides a cosmetic comprising the foam composition carrier impregnated with the organic sunscreen pre-uv protection cosmetic composition and the organic sunscreen pre-uv protection cosmetic composition. The cosmetic of the present invention may provide a cosmetic that can maintain high formulation stability even when stored for a long time by impregnating the foam composition with a sunscreen cosmetic composition according to the embodiments of the foam foam carrier.

As used herein, "carrier" means that it can carry any material or component that can exemplify the composition, and may also be expressed as "carrier", "impregnating material" or "mediator". In addition, the "carrier" may be used to discharge the material carried therein in a separate applicator. The composition supported on the carrier may be delivered to the skin, for example, by means of a hand, a puff, a tip, a brush, or other application means (also referred to as an applicator or applicator).

In addition, the "foam foam carrier" in the present specification is a material capable of supporting any material or component that can be mentioned as a composition, made of rubber, fibers or resins as sponges, which can carry and discharge the cosmetic composition. Means that. Specifically, the foam is not particularly limited, but may be a natural foam or synthetic foam, the natural foam may be made of a material such as sponge, natural rubber, for example, the material of the synthetic foam Synthetic resins, polyurethane, latex, acrylonitrile-butadiene rubber (NBR), butadiene rubber (BR), styrene-butadiene rubber (SBR), NR (Natural Rubber), chloroprene rubber (CR), butyl rubber (isoprene-isobutylene rubber : IRR, isoprene rubber (IR), vulcanized ethylene-propylene rubber (EPR), polysulfide rubber, silicone rubber, fluororubber, urethane rubber, urethane rubber, acrylic rubber (Acrylic rubber), EPDM (Ethylene propylene diene monomer) rubber, polyvinyl alcohol (PVA) and ethylene vinyl acetate (EVA), NR (Nitrile Rubber) and the like.

Polyurethane foam is a kind of foam in the present invention is not particularly limited, but polyether-based polyurethane (based on ether polyol), polyester-based polyurethane and polycarbonate-based polyurethane It may be, and specifically, may include a polyether-based urethane.

In addition, the polyether foam urethane includes a polyether dry foam urethane and a polyether wet foam urethane, the polyester foam urethane includes a polyester dry foam urethane and a polyester wet foam urethane, The polycarbonate foam urethane may include polycarbonate dry foam urethane and polycarbonate wet foam urethane.

As an embodiment of the present invention, the foam foam carrier may include pores, whereby the sunscreen cosmetic composition according to one embodiment of the present invention is impregnated in the pores of the foam foam carrier and evenly distributed on the carrier It can keep the state.

In one embodiment, the foam foam carrier may include pores having an average size of 30-2500㎛. The pore size is an average value measured by an optical microscope (NIKON ECLIPSE 80i). When the pore size of the foam foam carrier is less than 30㎛ on average, the pore space for supporting the cosmetic composition is small, the capacity of the support is reduced, if the average exceeds 2500㎛, the pore space is too large, the ability to control the discharge of the composition may be reduced. . At this time, in the present specification, "support" means the ability to hold any material or component. The "support" required for the carrier is distinguished from that in which the substance is temporarily taken, such as in an applicator, in that the composition is to carry the composition homogeneously for a long time. "Discharge capacity" or "discharge power" means the amount of the cosmetic composition discharged when the cosmetic composition is taken by the applicator from the foam carrying the cosmetic composition, and not a large amount or a suitable amount of the cosmetic composition is discharged. It is preferable.

The foam foam carrier may comprise 55-130 pores (ppi) per inch as an example. When the number of pores per inch of the foam foam carrier exceeds 130 ppi it is difficult to control the flowability of the cosmetic composition, the absorption or discharge of the cosmetic composition because the pore size is small, and less than 55 ppi, the supporting capacity for the cosmetic composition after supporting the cosmetic composition Can fall. In one aspect of the present invention, the "pore number" refers to the number of pores per inch of the urethane foam, the pore number in the present specification using a WI-QA-14 (ASTM standard) on a horizontal, vertical 1 inch line It can be the average of the number of pores measured.

In one aspect of the invention, the density of the foam may be 0.05 to 0.2 g / cm ³ , specifically 0.1 to 0.18 g / cm ³ . When the density of the foam is less than 0.05 g / cm ^{3 It} is uncomfortable to use because the cosmetic composition is discharged too much, if the density exceeds 0.2 g / cm ³ may not be well filled and discharged cosmetic composition.

In the present specification, "durable" is defined by the applicator in use and / or the degree to which the foam composition is maintained without melting, tearing or expanding when the cosmetic composition is supported on the foam and left for a certain time under a certain temperature. When taking the cosmetic composition from the foam foam means the degree to which the foam foam withstands repeated pressure by the applicator.

In one embodiment of the present invention, the foam may have a thickness of 1mm to 50mm. If the thickness of the foam is less than 1mm, the supporting amount of the cosmetic composition is small, if it exceeds 50mm in the discharge of the cosmetic composition during use, it is difficult to discharge without the remaining amount of the contents. The carrier using the foam that is applied to an embodiment of the present invention may have a thickness of, for example, 3mm to 45mm, for example, may have a thickness of 5mm to 40mm, for example, a thickness of 8mm to 35mm It may have, for example, may have a thickness of 10mm to 30mm. 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, or 50 mm or more.

Cosmetics according to an embodiment of the present invention may be impregnated in the foam foam carrier with the sunscreen cosmetic composition to evenly trap the sunscreen cosmetic composition between the pores of the carrier. Thus, the inorganic sunscreen or pigments can be prevented from being precipitated and the formulation is separated when stored for a long period of time over several months of the cosmetic composition for sunscreen, it is possible to provide a cosmetic with excellent formulation stability and ease of use.

In addition, the cosmetics according to the embodiments of the present invention may further include an applicator taking the cosmetic composition from the foam foam carrier impregnated with the cosmetic composition for sunscreen. In addition, the cosmetics may further include a lower container and a mirror, etc. that can accommodate the cosmetic composition carrier and may further include a container including an upper portion of the lid, a cosmetic container generally called a fact, but is not limited thereto. It doesn't happen.

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

Test Example 1 Comparison of Formulation Stability

In order to check the formulation stability of the organic sunscreen pre-sunscreen cosmetic composition according to an embodiment of the present invention, each composition is prepared according to a conventional method in the art with the composition of the table below, and then separated from each composition The aspect was observed.

Specifically, a silicone oil, a white pigment dispersant, a colored pigment dispersant, and a silicone emulsifier are added at room temperature, mixed with a homogeneous mixer for 10 minutes, and then mixed with a homogeneous mixer for 10 minutes by adding a thickener. The inorganic sunscreen, white pigment, and colored pigment are added and mixed with a homogeneous mixer for 10 minutes. Finally, the solvent is added and mixed with a homogeneous mixer for 10 minutes to emulsify the oil and water. Then, it was cooled to obtain Example 1, Comparative Examples 1 and 2 of the cosmetic composition for sunscreen.

25 ml of each of the compositions of Example 1 and Comparative Examples 1 and 2 prepared in the above composition were put into 100 ml of sample containers, respectively, and then cycle chambers were used as the temperature-changing apparatus in the temperature range of -10 ° C to 45.4 ° C. Cycle chamber) by repeating the freezing and thawing process in the temperature range was set to the extreme conditions for confirming the stability of the formulation by shaking at a rate of 185rpm for 1 week while visually observing the degree of separation of oil. 1 and 2 are photographed and attached after 7 days have elapsed.

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

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

Example 1 (# 2 of FIG. 1 and FIG. 2) includes a colored pigment dispersant, 2% by weight of lauryl fij-9 polydimethylsiloxyethyl dimethicone and a fiji-10 dimethicone as a silicone emulsifier. By including 5% by weight, it can be seen that the emulsion stability and dispersibility of the inorganic sunscreen and pigments compared to Comparative Examples 1 and 2 above.

Test Example 2 Evaluation of Formulation Stability

In order to evaluate the formulation stability of Example 1 of Test Example 1, the trend of viscosity change over time after the production was analyzed.

Specifically, 25 ml of the composition of Example 1 was placed in a sample container of 100 ml, and then manufactured in a cycle chamber and a thermostat set at 35 ° C., which are devices whose temperature varies with time within a temperature range of −10 ° C. to 45.4 ° C. After 1 day, 2 days, 1 week, 2 weeks, 3 weeks and 4 weeks, the viscosity was measured.

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

Test Example 3 Evaluation of Safety for Sensitive Skin

In order to evaluate the safety, that is, suitability for the sensitive skin of the organic sunscreen pre-sunscreen cosmetic composition according to an embodiment of the present invention, the experiment was performed as follows using the sunscreen cosmetic composition of Example 1.

First, 6 patients with acne-prone skin, 3 patients with sensitive skin with erythema, 4 patients with dry and tingling skin (extremely burning dry skin), and 1 patient with seborrheic skin After each dermatologist, each of Example 1 was applied in the sun care step of applying a sunscreen immediately after the basic care to apply the skin and lotion to the skin.

In all 14 patients, Example 1 was used in the same stage for about 2 weeks from June 26 to July 8, 2015. Then, sensory evaluation of the suitability of the four skin types.

Figure 4 shows the average satisfaction of the feeling of use of Example 1, which was sensory evaluation on a total of 14 patients with the sensitive skin. Most of the respondents were satisfied with the feeling of use, and especially, the application was highly rated at 4.1 points in moistness and spreadability after application. Overall satisfaction was 89 points when 100 points were satisfied, and about 90% showed satisfaction with the feeling of use of the sunscreen cosmetic composition of the present invention. This means that the composition of the present invention can provide an excellent feeling of use even though it contains a large amount of inorganic sunscreen and pigment and does not contain an organic sunscreen.

In addition, the sensory evaluation results for the stimulus are shown in Table 2 below.

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

5 to 8 show the results of sensory evaluation for irritation, application, coverage and moistness of the four skin types, and most of them did not feel the skin irritation due to the use of the composition according to the present invention. In terms of feeling of use, high satisfaction was given in application and moisturizing.

As described above, the cosmetic dermatological research professor and the patient with sensitive skin who performed the sensory evaluation evaluated that the UV-protective cosmetic composition of the present invention has a very low irritation and is suitable for use on sensitive skin, and was satisfied in moisturizing power and feeling of use. It was.

As described above in detail specific parts of the present invention, it is apparent to those skilled in the art that such specific descriptions are merely preferred embodiments, thereby not limiting the scope of the present invention. something to do. Thus, the substantial scope of the present invention will be defined by the appended claims and their equivalents.

Claims (16)

Includes inorganic sunscreen, pigments and silicone oils, The pigment includes a white pigment and a colored pigment, A dispersant of the white pigment, a dispersant of the colored pigment and a silicone emulsifier, A cosmetic composition for organic sunscreen free sunscreen, comprising no organic sunscreen. The cosmetic composition of claim 1, wherein the inorganic sunscreen 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 more than 100nm to 10μm, The colored pigment is an organic sunscreen-free sunscreen cosmetic composition comprising iron oxide (iron oxide). The cosmetic composition of claim 1, wherein the composition comprises 20 to 30 wt% of the inorganic sunscreen, white pigment, and colored pigment, based on the total weight of the composition. The method of claim 1, wherein the silicone oil is selected from the group consisting of methyl trimethicone (METHYL TRIMETHICONE), dimethicone (DIMETHICONE), trisiloxane (TRISILOXANE), cyclopentasiloxane (CYCLOPENTASILOXANE) and cyclohexasiloxane (CYCLOHEXASILOXANE). Cosmetic composition for organic sunscreen free sunscreen containing the above. The cosmetic composition of 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 PEG-10 Dimethicone (PEG-10 Dimethicone), Cetyl PIG / Fiji-10 / 1 Dimethicone (Cetyl PEG / PPG-10 / 1 Dimethicone), Lauryl P Lauryl PEG-9 Polydimethylsiloxyethyl Dimethicone, Cyclopentasiloxane / PEG.PPG-19.19 Dimethicone and Lauryl PEG.PPG-18.18 Methicone (Lauryl PEG.PPG-18.18 Methicone) comprising one or more selected from the group consisting of, organic sunscreen free sunscreen cosmetic composition. The composition of claim 7, wherein the composition comprises lauryl fiji-9 polydimethylsiloxyethyl dimethicone in an amount of 0.1 to 12 wt% based on the total weight of the composition, Cosmetic sunscreen-free sunscreen cosmetic composition comprising a sebum-10 dimethicone in an amount of 4.1 to 12% by weight based on the total weight of the composition. The dispersant of the white pigment according to claim 1, wherein the dispersant of the white pigment is selected from the group consisting of cyclopentasiloxane (CYCLOPENTASILOXANE) and acrylate / ethylhexyl acrylate / dimethicone methacrylate copolymer (ACRYLATES / ETHYLHEXYL ACRYLATE / DIMETHICONE METHACRYLATE COPOLYMER). Cosmetic composition for organic sunscreen pre-sun protection comprising one or more. The cosmetic composition of claim 1, wherein the composition comprises 0.1 to 12% by weight of the dispersant of the white pigment, based on the total weight of the composition. The dispersant of the colored pigment according to claim 1, wherein the dispersing agent of the colored pigment is ethylhexyl palmitate, lecithin, polyhydroxystearic acid, isostearic acid, isopropyl palmitate. Organic sunscreen free sunscreen cosmetic composition comprising at least one selected from the group consisting of Tate (ISOPROPYL PALMITATE) and polyglyceryl-3 polylysinoleate (POLYGLYCERYL-3 POLYRICINOLEATE). The cosmetic composition of claim 1, wherein the composition comprises 0.1 to 12% by weight of the dispersant of the colored pigment, based on the total weight of the composition. The cosmetic composition of claim 1, wherein the composition comprises the silicone emulsifier, the dispersant of the white pigment, and the dispersant of the colored pigment in a weight ratio of 2 to 4: 1 to 3: 1. According to claim 1, The viscosity of the composition is 5,000 to 25,000 cps (centi poise), the organic sunscreen free sunscreen cosmetic composition. The cosmetic composition according to any one of claims 1 to 14, wherein the composition is for sensitive skin. Cosmetic composition for organic sunscreen pre-UV protection according to any one of claims 1 to 14; And Foam foam carrier impregnated with the cosmetic composition for blocking ultraviolet rays; Cosmetic comprising a.

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