JPH0446243B2 - - Google Patents

Description

[Detailed description of the invention]

The present invention relates to a non-aqueous makeup cosmetic composition that is improved by using in combination the specific (four) oily substances mentioned below as essential components of the oily base material. Specifically, regarding non-aqueous make-up cosmetics that have a favorable color and are excellent in appearance, feel, stability, etc., the general performance required for makeup cosmetics is as follows: (1) The color of the product is favorable; Favorable things. (i) The external color is uniform and similar to the coating color. (ii) The coating color does not vary significantly depending on the type of light source, etc. (2) Makeup looks good. (i) The desired cosmetic effect can be obtained. (ii) The paint film should adhere well to the skin and the makeup should not come off. (iii) After application, the color should not change (color sink) over time. (3) Good usability. (i) When applying, it should have a light touch, give a soft feel, and spread well. (ii) After application, it should give a nice, crisp feel without any discomfort. (4) Good stability. (1) There shall be no deterioration in quality such as discoloration, odor, or separation over time. (5) High safety. (i) No irritation to skin, mucous membranes, etc. However, it is extremely difficult to design a makeup cosmetic that satisfies these requirements, and it has not yet been commercially available. As a result of intensive research in view of the current situation, the present inventors found that lactic acid esters of saturated side-chain alcohols, triglycerides of saturated fatty acids having 8 to 10 carbon atoms, squalane, and cholesterin starch are essential components of oil-based base materials. It has been found that, when used in combination, an excellent non-aqueous makeup cosmetic that satisfies the above-mentioned requirements for makeup cosmetics can be easily obtained due to synergistic effects, and the present invention has been made. completed. That is, the present invention provides a non-containing non-alcoholic acid which is characterized by containing as essential ingredients a lactic acid ester of a saturated side chain alcohol, a triglyceride of a saturated fatty acid having 8 to 10 carbon atoms, squalane, cholestearin stearate, and a pigment. It is a water-based makeup cosmetic. The lactic acid ester of a saturated side chain alcohol in the present invention is preferably a lactic acid ester of a saturated side chain alcohol having 3 to 20 carbon atoms, such as isopropyl lactate, isobutyl lactate, 2
-Ethylhexyl lactate, octyldodecyl lactate, isononyl lactate, 2-hexyldecyl lactate, isostearyl lactate, isotridecyl lactate, 2-hebutyl undecyl lactate, 5,7,7-trimethyl-
Preferred examples include 2-(1,3,3-trimethylbutyl)-octyl lactate. Lactic acid esters of saturated side-chain alcohols are used singly or in combination, and their blending amount is based on the total amount of oily base material in the formulation.
3.0 to 90.0% by weight, preferably 30 to 60% by weight. Examples of triglycerides of saturated fatty acids having 8 to 10 carbon atoms in the present invention include glyceryl tricaprylate, glyceryl tripelargonate, glyceryl tricaprate, tri(caprylic acid-capric acid) glycerol, and the like. These triglycerides are used singly or in combination, and the amount thereof is 3.0 to 90.0% by weight, preferably 30 to 60% by weight, based on the total amount of the oily base material in the formulation. The content of squalane is 3.0 to 90.0% by weight, preferably 5.0 to 30% by weight, based on the total amount of oily base material in the formulation. The amount of cholesterin stearate blended is 1.0 to 20.0% by weight, preferably 5.0 to 10.0% by weight, based on the total amount of oily base material in the formulation. In addition,
The total amount of oil-based base materials in the above formulation refers to the total amount of the four oil-based base materials, if the oil-based base materials blended in the makeup cosmetic are the above-mentioned lactic acid ester, triglyceride, squalane, and cholesterin stearate. In addition, when the oil-based base material is a combination of the above four and other conventional oil-based base materials,
means the total amount of them. Other oil base materials that may be used in combination (blended) with the above four oil base materials include waxes, vegetable oils, liquid paraffin, lanolin, petrolatum, and other synthetic ester oils (such as aliphatic alcohols), if necessary. and monobasic higher fatty acids or dibasic fatty acids), higher alcohols, higher fatty acids, metal soaps,
Mention may be made of conventional oily substances such as silicone oils. As the pigment, known inorganic pigments and organic pigments are used. The blending amount is usually within the range of 0.001 to 99.0% by weight based on the total amount of prescription ingredients. Other ingredients to be blended include, in addition to fragrances, preservatives, antioxidants, oil-soluble dyes, etc., if necessary. The non-aqueous make-up cosmetic composition of the present invention is extremely useful as a non-aqueous foundation, lipstick, blusher, eye shadow, eyebrow makeup, powder, etc. The non-aqueous make-up cosmetic of the present invention has the following features: (1) When applied, it gives a light touch and soft feel, spreads well, and the coating film fits the skin, and (2) After application, it does not feel sticky. Gives a nice, crisp feel without any discomfort or discomfort, and provides excellent makeup effects without fading or color fading over time.
(3) The appearance color is uniform and similar to the coating color, and the product color and quality are stable over time. etc., its characteristics and effects are remarkable. Such useful and remarkable effects are due to the synergistic effects of the four oily substances, and their specificity is remarkable. Examples of the present invention will be described below. Note that the parts shown in the examples are parts by weight. In addition, the sensory test for make-up cosmetics and its evaluation method are as follows. Γ Sensory test 50 girls (25 in Hokkaido, 25 in Okinawa) between the ages of 18 and 45 tried it for 4 months (February to May). Γ Results of sensory test (evaluation) For the results of the sensory test, the evaluation scores according to Table 1 were totaled, and the average score was displayed.

[Table] is the result.
Example 1 (Oil-based foundation) Red iron oxide 1.4 parts, yellow iron oxide 4 parts, black iron oxide 0.4 parts
part, titanium oxide 20 parts, mica 10 parts and talc 3 parts
3 parts of microcrystalline wax and 5 parts of ceresin were added to the pigment mixture.
Part, Candelilla Row Part 3, Carnauba Row Part 1
5 parts petrolatum, 8.7 parts liquid paraffin, 10 parts cholesterin stearate, 5 parts squalane,
A molten homogeneous mixture of oily base materials consisting of 10 parts of isopropyl lactate and 10 parts of glyceryl tripelargonate is added, thoroughly kneaded, melted again, and 0.5 part of fragrance is added and mixed at 80°C. An oily foundation was obtained. As a result of the sensory test of this oil-based foundation as described above, the average evaluation score was
The score was 92.3, the fit was 96.5, the touch was 94.2, the coverage was 90.1, and the average overall evaluation score was 95, all of which were extremely good. Furthermore, the stickiness/unnatural feeling after application is 96.2, and the color fading over time is 95.8, and the makeup will not fade.
94.5, stickiness/unnatural feeling over time was 100, and neither was observed at all. As described above, the oil-based foundation of the present invention is extremely superior. Comparative Example 1 (When cholesterin stearate is not used in combination) A control (comparison) oil-based foundation was prepared in the same manner except that cholesterin stearate was not blended and 18.7 parts of liquid paraffin was blended. . The average evaluation score of the obtained oil-based foundation was 93 for elongation, 65.2 for fit, and 65.2 for touch.
69.2, coverage is 72, sticky feeling after application
The score was 80.4 for discomfort, 58.5 for color fading over time, 70.0 for makeup fading, 67.2 for stickiness/unnatural feeling, and average overall score of 71.9. As described above, the foundation that does not contain cholesterin stearate is undesirable because it has a poor fit and touch, causes discoloration and fading of the makeup over time, and gives a sticky and strange feeling. Comparative Example 2 (When squalane is not used together) No squalane and liquid paraffin
A control oil-based foundation was prepared in the same manner as in Example 1, except that 13.7 parts were added. The average evaluation scores of the obtained oil-based foundation were 91.8 for spread, 94.7 for fit, 65.4 for touch, 88.5 for coverage, 70 for stickiness/unnatural feeling after application, and 85.2 for color fading over time. , makeup loss 88.9,
The stickiness/unnatural feeling over time was 74.8, and the average overall evaluation score was 82.4. In this way, foundations that do not contain squalane have a poor texture,
It gives a sticky or strange feeling, which is undesirable. Comparative Example 3 (When the above lactate is not used in combination) A control oil foundation was prepared in the same manner as in Example 1, except that isopropyl lactate was not blended and 18.7 parts of isopropyl palmitate was used. The average evaluation score of the obtained oil-based foundation was 91.4 for elongation, 69.2 for fit, and 69.2 for fit.
Tatsuchi is 65.8, Covering is 84.4, Stickiness/Unnatural feeling after application is 95.5, Color fading over time is
74.3, makeup smearing 65.4, sticky feeling over time
The sense of discomfort was 70.2, and the average overall evaluation score was 77. As described above, the foundation that does not contain the above-mentioned lactate (isopropyl lactate) is undesirable because it has a poor fit and touch, causes discoloration and fading of the makeup over time, and gives a sticky and strange feeling. Comparative Example 4 (When the above triglyceride is not used in combination) Example 1 except that glyceryl triperargonate was not blended and 18.7 parts of liquid paraffin was blended.
A control oil-based foundation was prepared in the same manner as described above. The average evaluation scores for the obtained oil-based foundation were: 95.5 for spread, 69.5 for fit, 65.2 for touch, 81.8 for coverage, 95 for sticky/unnatural feeling, 75.7 for color fading over time, and 75.7 for makeup fading.
58.8, stickiness/unnatural feeling over time was 75.2, and average overall evaluation score was 76.7. As described above, oil-based foundations that do not contain triglycerides are undesirable because they have poor fit and touch, cause discoloration and makeup discoloration over time, and give a sticky or strange feeling. Comparative Example 5 (Case where the four oily substances in the present invention are not blended) Cholesterin stearate, squalane, isopropyl lactate, and glyceryl tripelargonate are not blended, and liquid paraffin is not blended.
A control oil-based foundation was prepared in the same manner as in Example 1, except that 43.7 parts were added. The average evaluation scores of the obtained oil-based foundation were 95.5 for spread, 51.2 for fit, 42.5 for touch, 43.8 for coverage, 68.8 for stickiness/unnatural feeling after application, and 42.5 for color fading over time. , your makeup will come off.
38.8, stickiness/unnatural feeling over time was 62.1, and average overall evaluation score was 55.7. As described above, oil-based foundations that do not contain cholestearin stearate, squalane, the above-mentioned lactic acid ester, and the above-mentioned triglyceride have poor fit, touch, and covering, and have a sticky or strange feeling. Moreover, it is undesirable because it causes color fading and makeup deterioration over time, giving a sticky or strange feeling over time. Example 2 (cake type foundation) (1) Prescription

【table】

[Table] (2) Manufacturing method Mix the pigments of the above ingredients and crush through a crusher. Separately, mix the remaining oily substance (oil base), preservative, and fragrance, and add the homogenized mixture to the pigment mixture and mix until homogeneous. After pulverizing this to a uniform particle size, it is compression molded into a metal plate. (3) Performance of cake-type foundation The performance and practicality of the cake-type foundation were examined through the sensory test described above (same as in Example 1). The results are shown in Table 3.

[Table] (1) The cake-type foundation of the present invention spreads similarly to Example 1 (the present invention), has extremely good fit, touch, and covering, and does not feel sticky or strange after application. It has a Japanese feel, no fading of color over time, no fading of makeup, no sticky or strange feeling, and is extremely excellent. (2) When cholesterin stearate is not used in combination, the fit, touch, and coverage are relatively poor, and discoloration over time, makeup fading, and a sticky/unnatural feeling are observed to a large extent, which is undesirable. (3) If the above-mentioned lactic acid ester is not used in combination, the product will have a relatively poor fit and touch, a sticky/unnatural feeling after application, color fading over time, makeup fading, and a sticky/unnatural feeling. Possible,
Undesirable. (4) If the above triglyceride is not used together,
The fit and touch are relatively poor, and there is considerable color fading and makeup fading over time, which is not desirable. (5) If squalane is not used in combination, the touch will be relatively poor, the color will fade over time, and there will be considerable stickiness and strangeness, which is not desirable. (6) If cholesterin stearate, the above-mentioned lactic acid ester, the above-mentioned triglyceride and squalane (the four substances) are not blended, the fit will be relatively poor, the touch will be relatively poor, and the color will fade over time.
There is a considerable amount of makeup deterioration and a sticky/unnatural feeling, which is not desirable. Example 3 (Lipstick) (1) Prescription

[Table] (2) Manufacturing method After heating and melting the oil-based substance (oil-based base material) and mixing it uniformly, add the coloring material and knead it with a roll mill to uniformly disperse it. After that, it is remelted, flavoring is added, defoamed, poured into a mold, rapidly cooled, solidified, and then taken out of the mold and filled into containers. (3) Performance of lipstick The performance and practicality of the lipstick were examined through the sensory test described above. The results are shown in Table 5.

[Table] (1) The lipstick of the present invention has good spreadability, fit feeling (stickiness),
The touch, color development, and color retention over time are good, and there is no stickiness/unnatural feeling, no smudging, no smearing, no sticky/unnatural feeling after application, and it is extremely excellent. (2) If cholesterin stearate is not used in combination, the feeling of stickiness, tackiness, poor color retention over time, stickiness/unnatural feeling after application, smearing, smudging, and sticky/unnatural feeling over time. There is quite a bit of this, which is not desirable. (3) If squalane is not used in combination, the touch will be relatively poor, and there will be a sticky feeling after application and over time.
There is a considerable sense of discomfort, which is not desirable. (4) If the above-mentioned lactic acid ester is not used in combination, the spreadability and gloss are relatively poor, and there is a considerable stickiness/unnatural feeling after application and over time, which is not preferable. (5) If the above-mentioned triglyceride is not used in combination, the gloss will be relatively poor, and there will be considerable stickiness and strange feeling after application and over time, which is not preferable. (6) If cholesterin stearate, squalane, the above-mentioned lactic acid ester and the above-mentioned triglyceride (four) are not blended, the feeling of tightness, touch and color retention over time will be poor,
After application and over time, there is a sticky/unnatural feeling, smearing, and smearing, which is not desirable. Example 4 Talc 67.9 parts, sericite 25 parts, red iron 1.2 parts
part, yellow iron oxide 0.5 part, ultramarine blue 0.5 part, red No. 226 1.2 part,
0.2 parts of cholesterin stearate, 0.5 parts of squalane
1.5 parts of octyldodecyl lactate and 1.5 parts of glyceryl tricaprylate were prepared by a conventional method. As a result of a practical test of this blusher by 5 expert inspectors, it was found that the spreadability, color development, brush swelling, blurring, and adhesion over time during use were extremely good, and there was no fading (discoloration) at all. It was confirmed that this product can impart and exhibit excellent cosmetic effects. Example 5 Talc 30.3 parts, sericite 45 parts, red iron 1.5 parts
1 part of yellow iron oxide, 15 parts of ultramarine blue, 1 part of cholesterin stearate, 0.5 part of squalane, 3 parts of isotridecyl lactate, and 3.5 parts of glyceryl tricaprylate. Professional inspector 5 conducted a practical test of this eye shadow.
As a result of a practical test carried out by the company, it was found that the spreadability, color development, brush swelling, and blurring during use were extremely good, and there was no discoloration or fading over time, giving an excellent makeup effect. It was confirmed that it could be expressed.

Claims (1)

[Claims] 1. The essential ingredients are lactic acid ester of saturated side chain alcohol, triglyceride of saturated fatty acid having 8 to 10 carbon atoms, squalane, cholesterin stearate, and pigment. A non-aqueous make-up cosmetic. 2. The cosmetic according to claim 1, wherein the lactic acid ester of a saturated side chain alcohol is blended in an amount of 3.0 to 90.0% by weight based on the total amount of the oily base material. 3 Triglyglyceride of saturated fatty acids having 8 to 10 carbon atoms is 3.0 to 3.0% based on the total amount of oily base material.
The cosmetic according to claim 1, which contains 90.0% by weight. 4 Squalane is based on the total amount of oil base material.
The cosmetic according to claim 1, which contains 3.0 to 90.0% by weight. 5. The cosmetic according to claim 1, wherein cholesterin stearate is blended in an amount of 1.0 to 20.0% by weight based on the total amount of the oily base material.