KR100803926B1 - Sand-free Cosmetic Composition - Google Patents

Abstract

The present invention relates to a sand-free cosmetic composition comprising a cellulose alkyl ether and a phthalate film former. The cosmetic composition of the present invention is excellent in the sand-free effect and water proof effect and excellent in feeling, can be usefully used to manufacture sun care cosmetics and makeup cosmetics.

Sand Free, Cellulose Alkyl Ether, Phthalate, Cosmetic

Description

Sand-free Cosmetic Composition

1 is a photograph confirming the sand-free effect of the cosmetic of Example 4 and Comparative Example 1.

The present invention relates to a sand-free cosmetic composition.

Cosmetics are broadly classified into basic cosmetics, makeup cosmetics, hair cosmetics, and sun care products. Cosmetics are originally used as a means of strengthening or restoring the original defense against external environmental influences (eg dust, chemicals, microorganisms, etc.) and internal substances (eg water, fats, electrolytes, etc.). If this function is weakened, the absorption of toxic or allergens increases or the damage caused by microorganisms increases, resulting in toxic or allergic skin reactions. Another purpose of basic cosmetics is to compensate for the loss of moisture and fat in the skin caused by daily face wash. Especially when the skin's self-recovery ability is insufficient, it plays a very important role. In addition, basic cosmetics have the function of protecting the skin from environmental factors (especially sun and wind) and delaying aging. In the case of make-up products, there are skin beautification functions that brighten and brighten the skin color and skin care products, and functions to protect the skin, and sun care products protect the skin from ultraviolet rays.

Recently, as the ozone layer is destroyed due to environmental pollution such as automobile smoke and factory heat, the exposure to ultraviolet rays is intensified, and the skin damage such as sun burn, blackening and erythema by ultraviolet rays is accelerated day by day. There is a need for development of a product that protects the skin from ultraviolet rays. In particular, as life improves, the demand for protecting skin from ultraviolet rays as well as leisure activities such as skiing, golf, and sea bathing are increasing day by day, and the demand for protecting skin from ultraviolet rays is increasing day by day. Research is ongoing.

In the present invention, in order to meet the needs of the consumer, as a result of extensive research on the purpose of use, environment, etc. of the sun care product, as a result for daily use, leisure, golf, swimming, etc. Could sort. In sports activities such as tennis, golf, beach volleyball, and in summer, where the most popular products are used, the products are mainly used in places where there is a lot of sand and dust. The sand sticks to the skin, resulting in discomfort. In addition, sand, dust, etc. are attached. Desorption of the sunscreen contents when desorption causes the sunscreen to be lowered. The sand-free function is not only required for sun care products, but is also required for makeup cosmetics such as makeup base, foundation and two-way cake.

As a result of research in various directions to have such a sand-free function in cosmetics, the present invention was completed by confirming that sand-free function is excellent when cellulose- and phthalate-based film formers are used in sunscreen cosmetics and makeup cosmetics. .

Throughout this specification, numerous patent documents are referenced and their citations are shown in parentheses. The disclosure of the cited patent documents is incorporated herein by reference in their entirety, and the level of the technical field to which the present invention belongs and the contents of the present invention are more clearly explained.

Accordingly, the inventors of the present invention have repeatedly studied to prepare a high-performance cosmetic composition that has a function of preventing sticking well from sand and harmful dust, the present invention by confirming that the composition of the present invention solves the above problems. Was completed.

Accordingly, it is an object of the present invention to provide a sand-free cosmetic composition comprising a cellulose alkyl ether and a phthalate film former.

Other objects and advantages of the present invention will become apparent from the following detailed description and claims.

According to one aspect of the present invention, the present invention provides a sand-free cosmetic composition comprising a cellulose alkyl ether and a phthalate film former.

Sand-free cosmetic composition of the present invention includes a cellulose alkyl ether and phthalate-based film former as an active ingredient for imparting a sand-free effect and a water-proof effect.

The cellulose alkyl ether used in the cosmetic composition of the present invention is a component having an oil phase increasing effect, and is selected from the group consisting of ethyl cellulose, propyl cellulose, butyl cellulose, pentyl cellulose, hexyl cellulose, heptyl cellulose, octyl cellulose, nonyl cellulose and decyl cellulose. It is 1 or more types chosen.

The content of the cellulose alkyl ether is preferably included in an amount of 0.01-5.00% by weight, more preferably 0.05-0.50% by weight based on the total weight of the cosmetic composition.

Another component used in the cosmetic composition of the present invention is a phthalate-based film former in consideration of film forming power, film thickness, coefficient of friction, etc., benzoic acid / phthalic hydride / pentaerythritol / neopentyl glycol / palmi Tic asac copolymers, glycols / cyclohexadimethanol / isophthalate / sulfoisophthalate comonomers or mixtures thereof can be used. The term "film former" as used throughout this specification literally means "to form a thin film".

The film former is preferably included in an amount of 0.01-5.00% by weight based on the total weight of the cosmetic composition, more preferably 0.05-0.50% by weight.

The cosmetic composition of the present invention includes a mixture of a cellulose alkyl ether and a phthalate film former, and the ratio is preferably 1: 4 to 4: 1. The mixture mixed in this ratio is preferably included in 0.02-10.0% by weight relative to the total weight of the cosmetic composition, more preferably 0.1-1.0% by weight.

When the mixture of cellulose alkyl ether and phthalate-based film former is included in the cosmetic composition less than 0.02% by weight, the sand-free effect and the water-proof effect are insignificant, and when included in more than 1.0% by weight, it is slightly different depending on the formulation of the composition. However, as in general thickeners, the usability becomes sticky, the sand free effect is halved and in certain cases the sand free effect is rather gone.

According to a preferred embodiment of the present invention, when cellulose alkyl ether is used as a thickener and a phthalate-based film former is used together to prepare the foundation as a sun-in-oil type sun care cosmetic and a sun-in-oil type makeup cosmetic, emulsion stability and usability Improved (see Experimental Examples 1, 2 and 5), sand-free effect was significantly improved (Reference: Experimental Examples 3 and 6, FIG. 1), and the water-proof effect was also excellent (Reference: Experimental Examples 4 and 7). . This advantageous effect is derived by the use of the phthalate-based film former contained in the cosmetic of the present invention, by forming a thin film on the skin prevents the cosmetic from being washed in water to exhibit a water proof effect.

The cosmetic composition of the present invention contains ingredients commonly used in cosmetic compositions in addition to the cellulose alkyl ether and phthalate film formers as active ingredients, and are commonly used for example, such as antioxidants, stabilizers, solubilizers, vitamins, pigments and flavorings. Adjuvants, and carriers.

The cosmetic composition of the present invention may be prepared in any formulation conventionally prepared in the art, and may be prepared in any formulation of water-in-oil type (W / O type) or oil-in-water type (O / W type). The cosmetic composition of the present invention comprises (i) a sun care product selected from the group consisting of sun cream, sun lotion, sun spray, sun foam and sun mousse or (ii) lip gloss, makeup base, foundation, face powder, compact and two-way cake It may be formulated into a makeup product selected from.

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

Production Example  One: Water-in-oil type  Manufacture of sunscreen

division Raw material name Example 1 Example 2 Example 3 Example 4 Comparative Example 1 A Ceresin 0.50 - - - 0.50 Beeswax 0.20 - - - 0.20 Trihydroxystearin 0.50 0.50 0.50 0.50 0.50 Hexyllaurate 2.00 2.00 2.00 2.00 2.00 Stearyl alcohol 1.50 1.5 1.50 1.50 1.50 Isostearyl Alcohol 0.50 0.5 0.5 0.50 0.50 Trioctanoine 4.00 4.0 4.0 4.00 4.00 Octylmethoxycinnamate 7.50 7.5 7.5 7.50 7.50 Benzophenone 3 0.50 0.50 0.50 0.50 0.50 Cetyl Dimethicone Copolyol 1.50 - - - 1.50 B Trioctanoine 4.00 4.00 4.00 4.00 4.00 ethanol 7.00 7.00 7.00 7.00 7.00 Ethyl Cellulose 1.00 1.00 1.00 1.00 - Decylcellulose - - - 0.50 - C Zinc (Silicone) 2.00 2.00 2.00 2.00 2.00 Titanium Dioxide (Silicone Treatment) 2.00 2.00 2.00 2.00 2.00 Cyclomethicone 10.0 10.0 10.0 10.0 10.0 D Purified water to 100 to 100 to 100 to 100 to 100 glycerin 3.00 3.00 3.00 3.00 3.00 Sodium chloride 1.00 1.00 1.00 1.00 1.00 EDTA 2Na 0.05 0.05 0.05 0.05 0.05 Propylene glycol 2.00 2.00 2.00 2.00 2.00 Coliquaternium-5 - - 0.20 - - Benzoic Acid / Phthalic Hydride / Pentaerythritol / Neopentyl Glycol / Palmitic Acid Copolymer - 0.2 0.20 0.20 - antiseptic Quantity Quantity Quantity Quantity Quantity

<Production method>

(1) The A, B, and D phases are each warmed to mix and dissolve uniformly.

(2) The C phase is uniformly dispersed in an azi mixer at room temperature.

(3) After the warmed A and B phases are mixed, the C phase is added to disperse uniformly, and the D phase is added to emulsify and cooled to room temperature.

Experimental Example 1: Comparison of the stability of the formulation

The stability according to the temperature change of the cosmetic formulation of the present invention was tested. The water-in-oil type sunscreens of Examples 1, 2, 3, 4 and Comparative Example 1 prepared in Preparation Example 1 were stored in an opaque glass container for 1 month in a constant temperature bath maintained at 45 ° C., and also in an opaque glass container. Stored for 1 month in a refrigerator completely kept at 4 ℃ and completely shaded, stored for 1 month at room temperature, and stored for 1 month by changing the temperature twice a day in a cycle of -4 ℃ to 45 ℃ The degree of stability was compared and measured. The results are shown in Table 2 below.

division Example 1 Example 2 Example 3 Example 4 Comparative Example 1 Room temperature 1 month ○ ○ ○ ○ ○ 4 ℃ 1 month ○ ○ ○ ○ ○ 45 ℃ 1 month ○ ○-△ △ ○ × Cycle (-4 ° C.-40 ° C .; twice per day) 1 month ○ ○ ○-△ ○ ×-△ (Circle): good, (triangle | delta): normal, x: separation, measurement is impossible

Experimental Example 2: Usability Comparison

The usability of the cosmetic formulation of the present invention was investigated. The water-in-oil type sunscreens of Examples 1, 2, 3, 4 and Comparative Example 1 prepared in Preparation Example 1 were compared and evaluated for 50 women 20-35 years old after actual use, and the average value of the results was calculated. It was.

product Softness Spreadability Sticky Adhesion Lightness Average Example 1 4.0 4.1 4.0 4.2 4.5 4.16 Example 2 4.1 4.5 4.2 3.8 4.0 4.12 Example 3 4.0 3.5 4.0 3.8 3.8 3.82 Example 4 4.5 4.3 4.5 4.5 4.0 4.36 Comparative Example 1 3.1 3.0 3.0 3.3 3.3 3.14

As shown in the results of the above table, the usability of Examples 1 to 4, which is the cosmetic of the present invention as compared to Comparative Example 1 was excellent overall, especially among the film-forming agent exhibits the best usability in the cosmetic prepared by applying the phthalate-based It was.

Experimental Example 3: Sand Free Effect

In order to check the sand-free effect which is one of the main functions of the present cosmetics, 2 g of the cosmetics of Examples 1 to 4 and Comparative Example 1 were uniformly applied to women in their 20s and 30s in width × length = 15 cm × 4 cm. After the application, the time to clean up the skin was measured, and after 2 minutes, the sand-free effect was observed by attaching sand of the sea of the East Sea, the West Sea, and the South Sea, and the results are shown in Table 4 and FIG. 1.

Item Example 1 Example 2 Example 3 Example 4 Comparative Example 1 Number of seconds to clean up your skin 50 55 70 45 90 Sandfree effect 4 4 3 5 One Criteria: 1-very bad, 2-bad, 3-normal, 4-excellent, 5-very

 As shown in the results of the above table, the cosmetics of Examples 1 to 4 of the present invention was much better sand-free effect than the cosmetic of Comparative Example 1, the cosmetics of the present invention through the result of the thickener and phthalate-based film former It was confirmed that by showing the excellent sand-free effect.

Experimental Example 4: Measurement of the water proof effect in human application

The water proof effect of the cosmetic of this invention was measured. 100 mg of the sample of Example 3 and Comparative Example 1 was applied to 50 cm 2 inside both forearms of the tester, and after 20 minutes, the right arm was soaked in 25 ° C. water for 20 minutes and then dried for 20 minutes. Four such cycles were performed to allow for a total of 80 minutes of soaking in water. The test area of both arms was wiped off with alcohol and chromatographed (Waters 2695 / Waters 2487, United States of America) was used to measure the amount of sunscreen remaining. Three testers were used for each sample and the mean value was calculated.

Sample name Residual amount of sunscreen (% by weight) Example 3 95 Comparative Example 1 92

As shown in the table, the product of the present invention was superior in the water proof effect compared to the product of the comparative example was more residual amount of the sunscreen. This is because the foamer and the thickener included in the cosmetic of the present invention form a thin film on the skin to prevent the sunscreen from being washed in water.

Preparation Example 2 Preparation of Oil-in-water Foundation

In order to examine the water proof effect and sand-free effect of the cosmetic of the present invention in more detail, a foundation of oil-in-water (O / W Type) was prepared.

division Raw material name Example 5 Example 6 Example 7 Example 8 Comparative Example 2 A Purified water to 100 to 100 to 100 to 100 to 100 Xanthan Gum 0.10 0.10 - - 0.20 pectin - - - - 0.10 Ammonium Acryloyl Dimethyl Taurate / VP Copolymer 0.10 0.10 0.10 0.10 0.10 Microcrystalline Cellulose / Cellulose Gum 0.20 - 0.10 0.10 - Glycol / CHDM / Isophthalate / SIP Copolymer - 0.20 0.10 0.10 - Ethyl Cellulose - - 0.20 0.10 - Decylcellulose - - - 0.10 - glycerin 4.00 4.00 4.00 4.00 4.00 Propylene glycol 3.00 3.00 3.00 3.00 3.00 Natto gum 1.50 1.50 1.50 1.50 1.50 Triethanolamine 0.15 0.15 0.15 0.15 0.15 B Titanium dioxide 3.00 3.00 3.00 3.00 3.00 Talc 2.00 2.00 2.00 2.00 2.00 Polymethylmethacrylate 0.50 0.50 0.50 0.50 0.50 Ferric oxide Quantity Quantity Quantity Quantity Quantity Hydrated ferric oxide Quantity Quantity Quantity Quantity Quantity C Cetearyl Alcohol 1.00 1.00 1.00 1.00 1.00 Stearic acid 0.30 0.30 0.30 0.30 0.30 Polyester 0.30 0.30 0.30 0.30 0.30 Hexyllaurate 2.00 2.00 2.00 2.00 2.00 Dimethicone (6cs) 1.50 1.50 1.50 1.50 1.50 Lipophilic glyceryl stearate 1.00 1.00 1.00 1.00 1.00 Polysorbate 0.30 0.30 0.30 0.30 0.30 Cyclomethicone 4.00 4.00 4.00 4.00 4.00 Methylparaben Quantity Quantity Quantity Quantity Quantity Propylparaben Quantity Quantity Quantity Quantity Quantity D Spices Quantity Quantity Quantity Quantity Quantity

In the above table, the numerical unit of each item is weight%.

<Production method>

(1) The A, B and C phases were warmed to mix and dissolve uniformly, respectively.

(2) Disperse uniformly by adding B phase to A phase.

(3) The warmed C phase is added to the mixture of step (2) to uniformly emulsify, then cooled to 35 ° C, and then D is added to cool to room temperature after mixing.

Experimental Example 5: Usability Comparison

The usability of the cosmetic formulation of the present invention was investigated. Example 5, 6, 7, 8 and Comparative Example 2 of the oil-in-water foundation prepared in Example 2 for 50 women 20-35 years of age after the actual use of comparative evaluation and calculating the average value of the results It was.

product Softness Spreadability Sticky Adhesion Lightness Average Example 5 4.2 3.9 4.0 3.9 4.2 4.04 Example 6 4.0 4.0 4.2 3.7 4.2 4.02 Example 7 4.5 4.6 4.3 4.0 4.3 4.34 Example 8 4.0 4.2 4.0 3.7 4.2 4.02 Comparative Example 2 3.0 2.9 3.1 3.2 3.2 3.08

As shown in the results of the above table, the usability of Examples 5 to 8, which is the cosmetic of the present invention, as compared with Comparative Example 2 was excellent overall, especially in the cosmetics prepared by applying the phthalate-based among the film forming agent showed better usability .

Experimental Example 6: Sand Free Effect

In order to check the sand-free effect which is one of the main functions of the cosmetics of the present invention, 2 g of the cosmetics of Examples 5 to 8 and Comparative Example 2 were uniformly applied to women in their 20s and 30s in width × length = 15 cm × 4 cm. After the application, the time to clean up the skin was measured, and after 2 minutes, the sand-free effect was observed by attaching the sand of the beaches of the East Sea, the West Sea, and the South Sea, and the results are shown in Table 8.

Item Example 5 Example 6 Example 7 Example 8 Comparative Example 2 Number of seconds to clean up your skin 60 55 38 45 85 Sandfree effect 4 4 3 5 One Criteria: 1-very bad, 2-bad, 3-normal, 4-excellent, 5-very

 As shown in the results of the above table, the foundation of Examples 5 to 8 of the present invention was much better sand-free effect than the foundation of Comparative Example 2, through which the cosmetics of the present invention phthalate in the thickener or film former By applying the system, it was confirmed that the excellent sand-free effect was shown.

Experimental Example 7: Measurement of the water proof effect in human application

The water proof effect of the cosmetic of this invention was measured. 100 mg of the sample of Example 7 and Comparative Example 2 was applied to 50 cm 2 inside both forearms of the tester, and after 20 minutes, the right arm was soaked in 25 ° C. water for 20 minutes and then dried for 20 minutes. Four such cycles were performed to allow for a total of 80 minutes of soaking in water. The test area of both arms was wiped off with alcohol and chromatographed (Waters 2695 / Waters 2487, United States of America) was used to measure the amount of sunscreen remaining. Three testers were used for each sample and the mean value was calculated.

Sample name Residual amount of sunscreen (% by weight) Example 7 95 Comparative Example 2 87

As shown in the table, the product of the present invention was superior in the water proof effect compared to the product of the comparative example was more residual amount of the sunscreen. This is because the foamer and the thickener included in the cosmetic of the present invention form a thin film on the skin to prevent the sunscreen from being washed in water.

The formulation of the cosmetic composition of the present invention through the above experimental results is not limited to the foundation of the water-in-oil type (W / O) sunscreen and the oil-in-water type (O / W) shown in the above examples, the oil-in-water makeup base, sunscreen, sun It is noted that the above effects are found in all formulations such as lotions, water-in-oil foundations, sprays, and the like.

As described in detail above, the cosmetic composition of the present invention includes a cellulose alkyl ether and a phthalate-based film former, which is excellent in emulsion stability, usability improvement, as well as sand-free effect and water-proof effect.

Having described the specific part of the present invention in detail, it is apparent to those skilled in the art that the specific technology is merely a preferred embodiment, and the scope of the present invention is not limited thereto. Thus, the substantial scope of the present invention will be defined by the appended claims and equivalents thereof.

Claims (7)

It includes cellulose alkyl ether and phthalate film former as an active ingredient, The cellulose alkyl ether is characterized in that at least one selected from the group consisting of ethyl cellulose, propyl cellulose, butyl cellulose, pentyl cellulose, hexyl cellulose, heptyl cellulose, octyl cellulose, nonyl cellulose and decyl cellulose, The phthalate film former is a benzoic acid / phthalic hydride / pentaerythritol / neopentyl glycol / palmitic acid copolymer, glycol / cyclohexamethanol / isophthalate / sulfoisophthalate copolymer Or a sand free cosmetic composition, characterized in that a mixture thereof. delete The sand-free cosmetic composition of claim 1, wherein the cellulose alkyl ether is contained in an amount of 0.01-5.00 wt% based on the total weight of the cosmetic composition. delete According to claim 1, wherein the phthalate-based film former sand-free cosmetic composition, characterized in that contained in 0.01 to 5.00% by weight relative to the total weight of the cosmetic composition. The sand-free cosmetic composition of claim 1, wherein the cellulose alkyl ether and the phthalate film former are included in the cosmetic composition in a ratio of 1: 4 to 4: 1. According to claim 1, wherein the cosmetic composition is a water-in-oil type (W / O type) or oil-in-water (O / W type) formulation, sun care, sun lotion, sun spray, sun foam and sun mousse selected from the group consisting of sun mousse Sand-free cosmetic composition, characterized in that the formulation of the product or a makeup product selected from the group consisting of lip gloss, makeup base, foundation, face powder, compact and two-way cake.

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