Lip cosmetic composition having excellent texture, appearance quality, and makeup persistence upon application

Abstract

The present disclosure relates to a lip cosmetic composition having excellent texture, appearance quality, and makeup persistence upon application. Specifically, the lip cosmetic composition according to the present disclosure has improved dispersibility and skin adhesion of pigment powder, and thus can exhibit excellent color persistence and, upon application, provide a soft texture and improved appearance quality resulting from reduced dullness compared to existing inorganic pigments.

Description

A cosmetic composition for lips with excellent usability, appearance quality and makeup durability upon application

[0001] The present disclosure relates to a cosmetic composition for lips that has excellent usability, appearance quality, and makeup durability upon application.

[0002] Cross-reference to related applications

[0003] This application claims priority to Republic of Korea Patent Application No. 10-2024-0029975, filed February 29, 2024, the entire contents of which are incorporated herein by reference.

[0004] Various methods have been attempted to improve the long-lasting effect of lip cosmetics. Among the most popular methods are the use of volatile oils, film-forming agents, and high-viscosity pastes. These methods reduce pigment transfer by forming a film after the volatile oil evaporates, or the use of sticky, high-viscosity pastes to physically adhere pigments and prolong the effect. These existing methods have drawbacks, such as dryness of the lips over time, the appearance of flaking, and discomfort due to stickiness.

[0005] Meanwhile, if silicone with a non-ionic hydrophilic group is present in the oil phase, the interaction between the hydrophilic silicone and the organic pigment can easily cause aggregation of the organic pigment, and there is a problem of color discoloration during the manufacturing process. In addition, inorganic pigments are not easy to disperse in lipstick formulations, and there is a disadvantage of implementing dull colors compared to organic pigments. In particular, in lipstick formulations containing silicone, the dispersibility of general pigments is often poor, and if the dispersibility is poor, the color expression and durability are reduced during application, and the appearance quality is also deteriorated, such as the occurrence of pigment bands.

[0006] [Prior Art Literature]

[0007] [Patent Document]

[0008] (Patent Document 1) Japanese Patent Publication No. 2022-190400

[0009] The present disclosure aims to provide a cosmetic composition for lips that has improved dispersibility and skin adhesion of pigment powder, thereby exhibiting excellent color retention and a smooth feeling upon application, while reducing dullness and improving appearance quality compared to existing inorganic pigments.

[0010] In order to achieve the above-mentioned purpose, one embodiment of the present invention provides a cosmetic composition for lips, comprising an alkyl glyceryl ether modified silicone, a surface coating pigment powder, and a silicone acrylate copolymer.

[0011] In addition, another embodiment of the present invention provides a cosmetic composition for lips, comprising a surface-coated pigment powder having a surface coated with an alkyl glyceryl ether modified silicone; and an ester compound of a C8 to C20 fatty acid and glycerin.

[0012] The lip cosmetic composition according to the present disclosure has improved pigment powder dispersibility and skin adhesion, thereby exhibiting excellent color retention and a smooth feeling upon application, and can improve appearance quality by reducing dullness compared to existing pigments.

[0013] Figure 1 shows the results of verification of color appearance quality according to Test Example 2.

[0014] Figure 2 shows the results of visually confirming the color appearance quality according to Test Example 2.

[0015] Hereinafter, the present invention will be described in detail.

[0016] In one aspect, the present invention may relate to a cosmetic composition for lips comprising an alkyl glyceryl ether modified silicone, a surface coating pigment powder, and a silicone acrylate copolymer.

[0017] In another aspect, the present invention may relate to a cosmetic composition for lips, comprising a surface-coated pigment powder having a surface coated with an alkyl glyceryl ether modified silicone; and an ester compound of a C8 to C20 fatty acid and glycerin.

[0018] In one embodiment, the surface-coated pigment powder may be a pigment powder whose surface is coated with a coating agent including polyglyceryl-2 tetraisostearate.

[0019] In one embodiment, the pigment powder may be one or more inorganic pigments selected from titanium dioxide (TiO2), zinc oxide (ZnO), iron oxide (Fe2O3), talc, silica, mica, and alumina.

[0020] In one embodiment, the pigment powder may be one or more organic color pigments selected from azo (yellow, red), thioindigo (blue), and triphenylmethane (blue). Specifically, the organic color pigment may be one or more selected from the group consisting of Red No. 40, Red No. 104 (1), Red No. 201, Red No. 202, Red No. 218 (D&C Red#27, CI45410), Red No. 220, Red No. 226, Red No. 227, Red No. 228, Red No. 230 (2), Blue No. 1, Yellow No. 4, and Yellow No. 5.

[0021] In one embodiment, the coating agent for coating the surface of the pigment powder may be used in an amount of 0.01 to 15 parts by weight when the weight of the pigment powder is 100 parts by weight. Specifically, the coating agent may be used in an amount of 0.01 parts by weight or more, 0.05 parts by weight or more, 0.1 parts by weight or more, 0.5 parts by weight or more, 1 parts by weight or more, 2 parts by weight or more, 3 parts by weight or more, 4 parts by weight or more, 5 parts by weight or more, 6 parts by weight or more, 7 parts by weight or more, 8 parts by weight or more, 9 parts by weight or more, 10 parts by weight or more, 11 parts by weight or more, 12 parts by weight or more, 13 parts by weight or more, or 14 parts by weight or more, based on 100 parts by weight of the pigment powder, and further, the coating agent may be used in an amount of 15 parts by weight or less, 14 parts by weight or less, 13 parts by weight or less, 12 parts by weight or less, 11 parts by weight or less, 10 parts by weight or less, 9 parts by weight or less, 8 parts by weight or less, 7 parts by weight or less, 6 parts by weight or less, 5 parts by weight or less, 4 parts by weight or less, based on 100 parts by weight of the pigment powder. It can be used in an amount of 3 parts by weight or less, 2 parts by weight or less, 1 part by weight or less, 0.5 parts by weight or less, 0.1 part by weight or less, or 0.05 parts by weight or less.

[0022] In one embodiment, the surface coating pigment powder may be included in an amount of 0.1 to 20 wt% based on the total weight of the composition. Specifically, the surface coating pigment powder may be included in an amount of 0.1 wt% or more, 0.5 wt% or more, 1 wt% or more, 2 wt% or more, 3 wt% or more, 4 wt% or more, 5 wt% or more, 6 wt% or more, 7 wt% or more, 8 wt% or more, 9 wt% or more, 10 wt% or more, 11 wt% or more, 12 wt% or more, 13 wt% or more, 14 wt% or more, 15 wt% or more, 16 wt% or more, 17 wt% or more, 18 wt% or more, or 19 wt% or more based on the total weight of the composition. In addition, the surface coating pigment powder may be included in an amount of 20 wt% or less, 19 wt% or less, 18 wt% or less, 17 wt% or less, 16 wt% or less, 15 wt% or less, 14 wt% or less, 13 wt% or less, 12 wt% or less, 11 wt% or less, 10 wt% or less, 9 wt% or less, 8 wt% or less, 7 wt% or less, 6 wt% or less, 5 wt% or less, 4 wt% or less, 3 wt% or less, 2 wt% or less, 1 wt% or less, or 0.5 wt% or less, based on the total weight of the composition.

[0023] In one embodiment, the alkyl glyceryl ether modified silicone may be glyceryl undecyl demithicone.

[0024] In one embodiment, the alkyl glyceryl ether modified silicone may be included in an amount of 1 to 20 wt% based on the total weight of the composition. Specifically, the alkyl glyceryl ether modified silicone may be included in an amount of 1 wt% or more, 2 wt% or more, 3 wt% or more, 4 wt% or more, 5 wt% or more, 6 wt% or more, 7 wt% or more, 8 wt% or more, 9 wt% or more, 10 wt% or more, 11 wt% or more, 12 wt% or more, 13 wt% or more, 14 wt% or more, 15 wt% or more, 16 wt% or more, 17 wt% or more, 18 wt% or more, or 19 wt% or more based on the total weight of the composition. In addition, the alkyl glyceryl ether modified silicone may be included in an amount of 20 wt% or less, 19 wt% or less, 18 wt% or less, 17 wt% or less, 16 wt% or less, 15 wt% or less, 14 wt% or less, 13 wt% or less, 12 wt% or less, 11 wt% or less, 10 wt% or less, 9 wt% or less, 8 wt% or less, 7 wt% or less, 6 wt% or less, 5 wt% or less, 4 wt% or less, 3 wt% or less, or 2 wt% or less, based on the total weight of the composition.

[0025] In one embodiment, the silicone acrylate copolymer may be included in an amount of 0.1 to 20 wt% based on the total weight of the composition. Specifically, the silicone acrylate copolymer may be included in an amount of 0.1 wt% or more, 0.5 wt% or more, 1 wt% or more, 2 wt% or more, 3 wt% or more, 4 wt% or more, 5 wt% or more, 6 wt% or more, 7 wt% or more, 8 wt% or more, 9 wt% or more, 10 wt% or more, 11 wt% or more, 12 wt% or more, 13 wt% or more, 14 wt% or more, 15 wt% or more, 16 wt% or more, 17 wt% or more, 18 wt% or more, or 19 wt% or more based on the total weight of the composition. In addition, the silicone acrylate copolymer may be included in an amount of 20 wt% or less, 19 wt% or less, 18 wt% or less, 17 wt% or less, 16 wt% or less, 15 wt% or less, 14 wt% or less, 13 wt% or less, 12 wt% or less, 11 wt% or less, 10 wt% or less, 9 wt% or less, 8 wt% or less, 7 wt% or less, 6 wt% or less, 5 wt% or less, 4 wt% or less, 3 wt% or less, 2 wt% or less, 1 wt% or less, or 0.5 wt% or less, based on the total weight of the composition.

[0026] In one embodiment, the silicone acrylate copolymer is an acrylates / stearyl acrylate / dimethicone methacrylate copolymer, an acrylates / behenyl acrylate / dimethicone methacrylate copolymer, an acrylates / polytrimethylsiloxymethacrylate copolymer, an acrylates / bis-hydroxypropyl dimethicone crosspolymer, an acrylates / dimethicone copolymer, an acrylates / dimethicone methacrylate / ethylhexyl acrylate copolymer, and It may be at least one selected from acrylates / propyltrimethicone methacrylate copolymer.

[0027] More specifically, the silicone acrylate copolymer may be at least one selected from an acrylates / stearyl acrylate / dimethicone methacrylate copolymer and an acrylates / behenyl acrylate / dimethicone methacrylate copolymer.

[0028]

[0029] In one embodiment, the weight ratio of the alkyl glyceryl ether modified silicone to the surface coating pigment powder (alkyl glyceryl ether modified silicone / surface coating pigment powder) may be 0.1 to 100. Specifically, the weight ratio of the alkyl glyceryl ether modified silicone to the surface coating pigment powder is 0.1 or more, 1 or more, 1.5 or more, 1.6 or more, 1.7 or more, 1.8 or more, 1.9 or more, 2.0 or more, 2.1 or more, 2.2 or more, 2.3 or more, 2.4 or more, 2.5 or more, 2.6 or more, 2.7 or more, 2.8 or more, 2.9 or more, 3.0 or more, 3.1 or more, 3.2 or more, 3.3 or more, 3.4 or more, 3.5 or more, 3.6 or more, 3.7 or more, 3.8 or more, 3.9 or more, 4 or more, 5 or more, 6 or more, 7 or more, 8 or more, 9 or more, 10 or more, 15 or more, 20 or more, 25 or more, 30 or more, 35 or more, It may be 40 or more, 45 or more, 50 or more, 55 or more, 60 or more, 65 or more, 70 or more, 75 or more, 80 or more, 85 or more, 90 or more or 95 or more, and further, the weight ratio of the alkyl glyceryl ether modified silicone to the surface coating pigment powder may be 100 or less, 95 or less, 90 or less, 85 or less, 80 or less, 75 or less, 70 or less, 65 or less, 60 or less, 55 or less, 50 or less, 45 or less, 40 or less, 35 or less, 30 or less, 25 or less, 20 or less, 15 or less, 10 or less, 9 or less, 8 or less, 7 or less, 6 or less, 5 or less, 4 or less, 3.9 or less, 3.8 or less, 3.7 or less, 3.6 or less, 3.5 or less, 3.4 or less, It can be 3.3 or less, 3.2 or less, 3.1 or less, 3.0 or less, 2.29 or less, 2.8 or less, 2.7 or less, 2.6 or less, 2.5 or less, 2.4 or less, 2.3 or less, 2.2 or less, 2.1 or less, 2.0 or less, 1.9 or less, 1.8 or less, 1.7 or less, 1.6 or less, 1.5 or less, or 1 or less.

[0030] In one embodiment, the weight ratio of the silicone acrylate copolymer (silicone acrylate copolymer / surface coating pigment powder) to the surface coating pigment powder may be 0.02 to 50. Specifically, the weight ratio of the silicone acrylate copolymer to the surface coating pigment powder is 0.02 or more, 0.03 or more, 0.04 or more, 0.05 or more, 0.1 or more, 0.5 or more, 0.6 or more, 0.7 or more, 0.8 or more, 0.9 or more, 1.0 or more, 1.2 or more, 1.4 or more, 1.6 or more, 1.8 or more, 2.0 or more, 2.2 or more, 2.4 or more, 2.6 or more, 2.8 or more, 3.0 or more, 3.2 or more, 3.4 or more, 3.6 or more, 3.8 or more, 4.0 or more, 4.2 or more, 4.4 or more, 4.6 or more, 4.8 or more, 5 or more, 10 or more, 15 or more, 20 or more, 25 or more, 30 or more, 35 or more, 40 or more Or may be 45 or more, and further, the weight ratio of the silicone acrylate copolymer to the surface coating pigment powder is 50 or less, 45 or less, 40 or less, 35 or less, 30 or less, 25 or less, 20 or less, 15 or less, 10 or less, 5 or less, 4.8 or less, 4.6 or less, 4.4 or less, 4.2 or less, 4.0 or less, 3.8 or less, 3.6 or less, 3.4 or less, 3.2 or less, 3.0 or less, 2.8 or less, 2.6 or less, 2.4 or less, 2.2 or less, 2.0 or less, 1.8 or less, 1.6 or less, 1.4 or less, 1.2 or less, 1.0 or less, 0.8 or less, 0.7 or less, 0.6 or less, 0.5 or less, 0.4 or less, 0.3 or less, 0.2 or less, 0.1 It can be less than, 0.05 or less, 0.04 or less, or 0.03 or less.

[0031] In one embodiment, the lip cosmetic composition may further comprise a silicone resin or a polymer thereof.

[0032] In one embodiment, the silicone resin may be at least one selected from trimethylsiloxysilicate, phenylpropyldimethylsiloxysilicate, polyphenylsilsesquioxane, polypropylsilsesquioxane, and dimethicone / vinyltrimethylsiloxysilicate crosspolymer.

[0033] In one embodiment, the polymer of the silicone resin may be C30-45 alkyldimethylsilyl polypropylsilsesquioxane, which is a polymer of polypropylsilsesquioxane and an alkyldimethylsilyl group.

[0034]

[0035] In one embodiment, the silicone resin or polymer thereof may be included in an amount of 0.01 wt% or more and less than 3 wt% relative to the total weight of the composition. Specifically, the silicone-based oil may be included in an amount of 0.01 wt% or more, 0.05 wt% or more, 0.1 wt% or more, 0.2 wt% or more, 0.3 wt% or more, 0.4 wt% or more, 0.5 wt% or more, 0.6 wt% or more, 0.7 wt% or more, 0.8 wt% or more, 0.9 wt% or more, 1 wt% or more, or 2 wt% or more relative to the total weight of the composition. In addition, the silicone oil may be included in an amount of less than 3 wt%, 2 wt% or less, 1 wt% or less, 0.9 wt% or less, 0.8 wt% or less, 0.7 wt% or less, 0.6 wt% or less, 0.5 wt% or less, 0.4 wt% or less, 0.3 wt% or less, 0.2 wt% or less, 0.1 wt% or less, or 0.05 wt% or less relative to the total weight of the composition. When the content of the silicone resin or its polymer is less than 0.01 wt% relative to the total weight of the composition, it does not significantly contribute to the adhesion and usability of the lip cosmetic, and when the content is 3 wt% or more, the usability may be heavy and cause dryness on the lips.

[0036] In one embodiment, the lip cosmetic composition may further comprise wax.

[0037] In one embodiment, the wax may be included in an amount of 1 to 20 wt% relative to the total weight of the composition.

[0038] Specifically, the wax may be included in an amount of 1 wt% or more, 2 wt% or more, 3 wt% or more, 4 wt% or more, 5 wt% or more, 6 wt% or more, 7 wt% or more, 8 wt% or more, 9 wt% or more, 10 wt% or more, 11 wt% or more, 12 wt% or more, 13 wt% or more, 14 wt% or more, 15 wt% or more, 16 wt% or more, 17 wt% or more, 18 wt% or more, or 19 wt% or more, relative to the total weight of the composition, and further, the wax may be included in an amount of 20 wt% or less, 19 wt% or less, 18 wt% or less, 17 wt% or less, 16 wt% or less, 15 wt% or less, 14 wt% or less, 13 wt% or less, 12 wt% or less, 11 wt% or less, 10 wt% or less, 9 wt% or less, 8 wt% or less, 7 It may be included in an amount of less than or equal to 6 wt%, less than or equal to 5 wt%, less than or equal to 4 wt%, less than or equal to 3 wt%, or less than or equal to 2 wt%.

[0039] In one embodiment, the wax may be one or more selected from synthetic wax, synthetic wax*ethylene / propylene copolymer, sunflower seed wax, beeswax, candelilla wax, ozokerite, ceresin wax, paraffin wax, microcrystalline wax, silicone wax, carnauba wax, wood wax, and rice bran wax.

[0040]

[0041] The present invention may provide, as an example, the following embodiments.

[0042] The first embodiment can provide a cosmetic composition for lips, comprising an alkyl glyceryl ether modified silicone, a surface coating pigment powder, and a silicone acrylate copolymer.

[0043] The second embodiment comprises an alkyl glyceryl ether modified silicone; and

[0044] A cosmetic composition for lips can be provided, comprising a surface-coated pigment powder having a surface coated with an ester compound of a C8 to C20 fatty acid and glycerin.

[0045] A third embodiment can provide a cosmetic composition for lips, wherein in at least one of the first embodiment and the second embodiment, the surface-coated pigment powder is a pigment powder whose surface is coated with a coating agent containing polyglyceryl-2 tetraisostearate.

[0046] A fourth embodiment can provide a cosmetic composition for lips, wherein in one or more of the first to third embodiments, the coating agent for coating the surface of the pigment powder is used in an amount of 0.01 to 15 wt% based on the total weight of the pigment powder.

[0047] A fifth embodiment can provide a cosmetic composition for lips, wherein in one or more of the first to fourth embodiments, the surface coating pigment powder is included in an amount of 0.1 to 20 wt% based on the total weight of the composition.

[0048] A sixth embodiment can provide a cosmetic composition for lips, wherein in at least one of the first to fifth embodiments, the alkyl glyceryl ether modified silicone is glyceryl undecyl demithicone.

[0049] The seventh embodiment can provide a cosmetic composition for lips, wherein in one or more of the first to sixth embodiments, the alkyl glyceryl ether modified silicone is included in an amount of 1 to 20 wt% based on the total weight of the composition.

[0050] The eighth embodiment can provide a cosmetic composition for lips, wherein, in the second embodiment, the composition further comprises a silicone acrylate copolymer.

[0051] The ninth embodiment can provide a cosmetic composition for lips, wherein in one or more of the first to eighth embodiments, the silicone acrylate copolymer is included in an amount of 0.1 to 20 wt% based on the total weight of the composition.

[0052] In a tenth embodiment, in one or more of the first to ninth embodiments, the silicone acrylate copolymer is an acrylates / stearyl acrylate / dimethicone methacrylate copolymer, an acrylates / behenyl acrylate / dimethicone methacrylate copolymer, an acrylates / polytrimethylsiloxymethacrylate copolymer, an acrylates / bis-hydroxypropyl dimethicone crosspolymer, an acrylates / dimethicone copolymer, an acrylates / dimethicone methacrylate / ethylhexyl acrylate copolymer. A cosmetic composition for lips can be provided, wherein the composition comprises at least one selected from among acrylates / ethylhexyl methacrylate copolymer and acrylates / propyltrimethicone methacrylate copolymer.

[0053] The eleventh embodiment can provide a cosmetic composition for lips, further comprising a silicone resin or a polymer thereof, in one or more of the first to tenth embodiments.

[0054] The 12th embodiment can provide a cosmetic composition for lips, wherein in one or more of the first to eleventh embodiments, the silicone resin or its polymer is included in an amount of 0.01% or more and less than 3% by weight relative to the total weight of the composition.

[0055] The 13th embodiment can provide a cosmetic composition for lips, wherein in one or more of the first to twelfth embodiments, the weight ratio of the alkyl glyceryl ether modified silicone to the surface coating pigment powder is 0.1 to 100.

[0056] The 14th embodiment can provide a cosmetic composition for lips, wherein in one or more of the first to 13th embodiments, the weight ratio of the silicone acrylate copolymer to the surface coating pigment powder is 0.02 to 50.

[0057] The 15th embodiment can provide a lip cosmetic composition according to at least one of the first to fourteenth embodiments, wherein the lip cosmetic is in a solid form.

[0058]

[0059] Hereinafter, the present invention will be described in more detail through examples and test examples. However, these examples and test examples are provided merely to facilitate understanding of the present invention, and the scope of the present invention is not limited to these examples and test examples. Modifications, substitutions, and insertions commonly known in the art may be performed, and such modifications are also included within the scope of the present invention.

[0060]

[0061] [Examples and Comparative Examples] Preparation of Cosmetic Composition for Lips

[0062] Lipstick compositions of Examples 1 to 4 and Comparative Examples 1 to 3 were prepared using the compositions shown in Table 1 below. Specifically, the remaining raw materials except for the pigment raw material in Table 1 below were uniformly dissolved and mixed at a temperature of 90°C or higher using a homomixer, the pigment raw material was added, uniformly dispersed and mixed, and then, after degassing, the mixture was placed in a lipstick container, cooled, and solidified to prepare a lipstick.

[0063] 성분명(INCI)실시예비교예123451234SYNTHETIC WAX8.08.08.08.08.08.08.08.08.0DEPENTAERYTHRITYL PENTAISOSTEARATE20.020.020.017.020.020.020.020.020.0GLYCERYL UNDECYL DIMETHICONE7.07.07.07.07.07.07.07.07.0ACRYLATES / STEARYL ACRYLATE / DIMETHICONE METHACRYLATE COPOLYMER-2.08.015.02.02.02.02.02.0C30-45 ALKYLDIMETHYLSILYL POLYPROPYL SILSESQUIOXANE---0.5---3.0DIPHENYL DIMETHICONE10.010.010.010.010.010.010.010.010.0PHYTOSTEARYL / OCTYLDODECYL LAUROYL GLUTAMATE*TOCOPHEROL14.014.014.010.014.014.014.014.014.0CAPRYLIC / CAPRIC TRIGLYCERIDE15.015.015.015.015.015.015.015.015.0OCTYLDODECANOLto 100to 100to 100to 100to 100to 100to 100to 100to 100POLYHYDROXYSTEARIC ACID1.01.01.01.01.01.01.01.01.0IRON OXIDES (CI77491)*Polyglyceryl-2 Tetraisostearate3.03.03.03.03.0-3.03.03.0IRON OXIDES (CI77491)-----3.0---IRON OXIDES (CI77491)*TRIETHOXYCAPRYLYLSILANE-------3.0--IRON OXIDES (CI77491)*Isopropyl Titanium Triisostearate--------3.0-일반 색소류1.51.51.51.51.51.51.51.51.5

[0064]

[0065] [Test Example 1] Color durability and usability evaluation

[0066] The lipstick compositions of Examples 1 to 5 and Comparative Examples 1 to 4 were evaluated for the items presented in Table 2 below through external appearance observation. Specifically, color staying power was evaluated by applying an equal amount of each lipstick composition to the inner arm, wiping it off with a tissue after 30 minutes, and then checking the level of color remaining.

[0067] The usability evaluation was conducted on 15 women aged 23-35 years. After using each lipstick composition, the smooth application and usability were evaluated on a 7-point scale, and the average value was expressed. Color discoloration was evaluated by visually comparing the before and after after leaving each lipstick composition at 95℃ for 3 hours, and the color similarity before and after was evaluated on a 7-point scale.

[0068] Evaluation Items Implementation Preliminary Comparative Example 123451234 Color Lasting Power (When Wiped Off After Application) 6.46.86.76.76.93.44.25.46.9 Feel (Smooth Spreading) 6.66.76.16.06.65.25.45.75.8 Color Discoloration 6.86.96.96.86.84.35.16.36.8 Clear Color (+++: Very Clear, ++: Clear, +: Average, -: Dull, --: Very Dull) +++++++++++++++-__++++

[0069] From the results in Table 2, it was confirmed that when uncoated pigment powder was included (Comparative Example 1) or when pigment powder whose surface was coated with a coating agent other than polyglyceryl-2 tetraisostearate was included (Comparative Examples 2 and 3), the color staying power was significantly reduced and there was a large deviation from the initial color, resulting in easy discoloration. In addition, it was confirmed that when a silicone acrylate copolymer was included within a certain content range, the color staying power was further improved without a significant decrease in usability.

[0070]

[0071] [Test Example 2] Color Appearance Quality Evaluation

[0072] The color appearance quality of the lipstick compositions of Example 2 and Comparative Examples 1 and 2 was evaluated. Specifically, the brightness (L value) and saturation (C value) were measured under a standard illuminant D65 using a colorimeter Spectrophotometer CM-5 (Konica Minolta), and the results are shown in Table 3 and Fig. 1 below, and the results of visual observation are shown in Fig. 2.

[0073] Example 2 Comparative Example 1 Comparative Example 2 L*(D65)46.7246.6246.53 C*(D65)36.237.3739.13

[0074] From the results in Table 3, Figures 1 and 2, when the inorganic pigment powder is included without coating (Comparative Example 1) or the inorganic pigment powder is included with the surface coated with a coating agent other than polyglyceryl-2 tetraisostearate (Comparative Example 2), the saturation value gradually increases, and the dullness and roughness of the inorganic pigment are expressed, resulting in poor color expression and poor appearance quality.

[0075] In the case of Example 2 according to one embodiment of the present invention, it was confirmed that the surface-coated inorganic pigment powder had excellent dispersibility, so that the color expression was good, the saturation value was low, so that the color was expressed clearly without being dull, and the appearance quality was excellent.

Claims

1. A cosmetic composition for lips comprising an alkyl glyceryl ether modified silicone, a surface coating pigment powder, and a silicone acrylate copolymer.

2. Alkyl glyceryl ether modified silicone; and A cosmetic composition for lips, comprising a surface-coating pigment powder having a surface coated with an ester compound of a C8 to C20 fatty acid and glycerin.

3. In paragraph 1 or 2, A cosmetic composition for lips, wherein the surface-coated pigment powder is a pigment powder whose surface is coated with a coating agent containing polyglyceryl-2 tetraisostearate.

4. In paragraph 1 or 2, A cosmetic composition for lips, wherein the coating agent for coating the surface of the pigment powder is used in an amount of 0.01 to 15 parts by weight when the weight of the pigment powder is 100 parts by weight.

5. In paragraph 1 or 2, A cosmetic composition for lips, wherein the surface coating pigment powder is included in an amount of 0.1 to 20 wt% based on the total weight of the composition.

6. In paragraph 1 or 2, A cosmetic composition for lips, wherein the above alkyl glyceryl ether modified silicone is glyceryl undecyl demithicone.

7. In paragraph 1 or 2, A cosmetic composition for lips, wherein the above alkyl glyceryl ether modified silicone is included in an amount of 1 to 20 wt% based on the total weight of the composition.

8. In paragraph 2, The composition further comprises a silicone acrylate copolymer.

9. In paragraph 1 or paragraph 8, A cosmetic composition for lips, wherein the silicone acrylate copolymer is included in an amount of 0.1 to 20 wt% based on the total weight of the composition.

10. In paragraph 1 or paragraph 8, The above silicone acrylate copolymer is an acrylates / stearyl acrylate / dimethicone methacrylate copolymer, an acrylates / behenyl acrylate / dimethicone methacrylate copolymer, an acrylates / polytrimethylsiloxymethacrylate copolymer, an acrylates / bis-hydroxypropyl dimethicone crosspolymer, an acrylates / dimethicone copolymer, an acrylates / dimethicone methacrylate / ethylhexyl acrylate copolymer, and A cosmetic composition for lips, comprising at least one selected from acrylates / propyltrimethicone methacrylate copolymers.

11. In paragraph 1 or 2, A cosmetic composition for lips, further comprising a silicone resin and a polymer thereof.

12. In paragraph 11, A cosmetic composition for lips, wherein the silicone oil is included in an amount of 0.01% or more and less than 3% by weight relative to the total weight of the composition.

13. In paragraph 1 or 2, A cosmetic composition for lips, wherein the weight ratio of the alkyl glyceryl ether modified silicone to the surface coating pigment powder is 0.1 to 100.

14. In paragraph 1 or paragraph 8, A cosmetic composition for lips, wherein the weight ratio of the silicone acrylate copolymer to the surface coating pigment powder is 0.02 to 50.

15. In paragraph 1 or 2, The above lip cosmetic composition is a solid lip cosmetic composition.

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