Multilayer capsule cosmetic composition using specific gravity difference, and method for manufacturing the same

Abstract

The present invention relates to a multilayer capsule cosmetic composition utilizing a difference in specific gravity and a method for manufacturing the same. The cosmetic composition is implemented as a three-layer low-viscosity cosmetic composition by positioning a first capsule containing a substance to be enclosed with a specific gravity greater than 1 at the bottom of the container and a second capsule containing a substance to be enclosed with a specific gravity less than 1 at the top of the container, so that it can be effectively utilized in the manufacturing and filling process of a multilayer cosmetic composition.

Description

Technology Field

[0001] The present invention relates to a multilayer capsule cosmetic composition utilizing a difference in specific gravity and a method for manufacturing the same. More specifically, it relates to a technology for manufacturing a three-layer low-viscosity cosmetic composition by positioning a first capsule containing a target substance with a specific gravity greater than 1 at the bottom of the container and a second capsule containing a target substance with a specific gravity less than 1 at the top of the container. Background Technology

[0002] While there is an increasing trend in development targeting oil capsule essence formulations from global companies, conventional capsule-containing formulations have only been implemented as formulations dispersed in gel formulations with a viscosity sufficient to prevent the capsules from sinking. This is because it is possible to fill the formulations with the capsules evenly dispersed. However, there was a problem in that it was difficult to fill the formulations with evenly dispersed capsules in low-viscosity formulations, such as skin toners that flow like water.

[0003] In addition, while it is possible to manufacture capsules by adjusting the specific gravity in the case of sinking or floating capsule formulations, in order to create a three-layer structure using two types of capsules simultaneously, stirring with a paddle is required to fill the capsules. Consequently, the bead capsules may break, causing the transparent formulation to become suspended, or the bead capsules may be filled in a broken state without maintaining their original shape, or the proportions may not be correct.

[0004] In contrast, to evenly fill each of the three layers, the first, second, and third agents must each be filled three times, but this is impossible due to problems with the filling equipment, and when filling the formulation as a single capsule, there is an issue that it may break due to the filling pressure.

[0005] Therefore, it is necessary to resolve these issues and develop leading products through the development of new formulations with visual and functional differentiation. The problem to be solved

[0006] Accordingly, the inventors have devised a method to form a three-layer structure by evenly dispersing capsules on a gel, filling a first base, and then additionally filling a second base that lowers viscosity to create a water-like fluid viscosity.

[0007] Accordingly, the object of the present invention is to

[0008] A first base comprising a first capsule containing a target substance with a specific gravity greater than 1, and a second capsule containing a target substance with a specific gravity less than 1; and

[0009] A second base comprising an electrolyte or acids;

[0010] The present invention provides a multilayer cosmetic composition comprising

[0011] Another object of the present invention is to provide a method for preparing a multilayer cosmetic composition comprising the following:

[0012] A first base manufacturing step of mixing a first capsule containing a target substance with a specific gravity exceeding 1 and a second capsule containing a target substance with a specific gravity less than 1; and

[0013] A filling step of filling a container filled with the first base with a second base containing an electrolyte or an acid. means of solving the problem

[0014] The present invention relates to a multilayer capsule cosmetic composition utilizing a difference in specific gravity and a method for manufacturing the same. The cosmetic composition according to the present invention is implemented as a three-layer low-viscosity cosmetic composition in which a first capsule containing a target substance with a specific gravity greater than 1 is located at the bottom of the container, and a second capsule containing a target substance with a specific gravity less than 1 is located at the top of the container.

[0015] The inventors have devised a method to form a three-layer structure by evenly dispersing capsules on a gel, filling a first base, and then additionally filling a second base that lowers viscosity to create a water-like viscosity.

[0016] The present invention will be described in more detail below.

[0017] One aspect of the present invention is

[0018] A first base comprising a first capsule containing a target substance with a specific gravity greater than 1, and a second capsule containing a target substance with a specific gravity less than 1; and

[0019] A second base comprising a sodium salt and a solvent;

[0020] It is a multilayer cosmetic composition containing

[0021] The above-mentioned encapsulated substance may be oil.

[0022] In one embodiment of the present invention, the encapsulating target material having a specific gravity greater than 1 may be one or more selected from the group consisting of diphenyl dimethicone, methyl perfluorobutyl ether, and methyl perfluoroisobutyl ether, and may be, for example, diphenyl dimethicone, but is not limited thereto.

[0023] In one embodiment of the present invention, the encapsulated target material having a specific gravity of less than 1 may be caprylic / capric triglyceride or squalane, and for example, may be caprylic / capric triglyceride, but is not limited thereto.

[0024] The first capsule or the second capsule may be prepared by independently mixing one or more selected from the group consisting of a substance to be enclosed, a solvent, agar, guar gum (Cyamopsis Tetragonoloba (Guar) Gum), and xanthan gum, and the solvent may be one or more selected from the group consisting of water and butylene glycol, and preferably, a film may be formed by one or more selected from the group consisting of agar, guar gum, and xanthan gum to encapsulate the substance to be enclosed, but is not limited thereto.

[0025] In the present invention, the first base may additionally include one or more selected from the group consisting of a thickening agent, a pH adjuster, a moisturizer, and a skin conditioning agent.

[0026] The first capsule may be included in an amount of 5 to 30 weight% with respect to the total weight of the first base, preferably 5 to 25 weight%, 5 to 20 weight%, 5 to 15 weight%, 10 to 30 weight%, 10 to 25 weight%, 10 to 20 weight%, 10 to 15 weight%, 15 to 30 weight%, or 15 to 25 weight%, and for example, may be included in an amount of 15 to 20 weight%, but is not limited thereto.

[0027] The second capsule may be included in an amount of 5 to 30 weight% with respect to the total weight of the first base, preferably 5 to 25 weight%, 5 to 20 weight%, 5 to 15 weight%, 10 to 30 weight%, 10 to 25 weight%, 10 to 20 weight%, 10 to 15 weight%, 15 to 30 weight%, or 15 to 25 weight%, and for example, may be included in an amount of 15 to 20 weight%, but is not limited thereto.

[0028] The above-mentioned thickening agent may be a carbomer, an acrylate / C10-30 alkyl acrylate crosspolymer, etc., and may be, for example, a carbomer, but is not limited thereto.

[0029] The above-mentioned thickening agent may be included in an amount of 0.01 to 1 weight% based on the total weight of the first base, preferably 0.01 to 0.5 weight%, 0.01 to 0.2 weight%, 0.02 to 1 weight%, 0.02 to 0.5 weight%, 0.02 to 0.2 weight%, 0.05 to 1 weight%, 0.05 to 0.5 weight%, 0.05 to 0.2 weight%, 0.1 to 1 weight%, or 0.1 to 0.5 weight%, and for example, 0.1 to 0.2 weight%, but is not limited thereto.

[0030] The above pH adjuster may be tromethamine, arginine, etc., and, for example, may be tromethamine, but is not limited thereto.

[0031] The above pH adjuster may be included in an amount of 0.01 to 1 weight% based on the total weight of the first base, preferably 0.01 to 0.5 weight%, 0.01 to 0.2 weight%, 0.02 to 1 weight%, 0.02 to 0.5 weight%, 0.02 to 0.2 weight%, 0.05 to 1 weight%, 0.05 to 0.5 weight%, 0.05 to 0.2 weight%, 0.1 to 1 weight%, or 0.1 to 0.5 weight%, and for example, may be included in an amount of 0.1 to 0.2 weight%, but is not limited thereto.

[0032] The above moisturizer may preferably be glycerin, butylene glycol, propanediol, etc., but is not limited thereto.

[0033] The above moisturizer may be included in an amount of 0.1 to 10 weight% based on the total weight of the first base, preferably 0.1 to 8 weight%, 0.1 to 6 weight%, 0.2 to 10 weight%, 0.2 to 8 weight%, 0.2 to 6 weight%, 0.5 to 10 weight%, 0.5 to 8 weight%, 0.5 to 6 weight%, 1 to 10 weight%, 1 to 8 weight%, 1 to 6 weight%, 2 to 10 weight%, 2 to 8 weight%, 2 to 6 weight%, 5 to 10 weight%, or 5 to 8 weight%, and for example, may be included in an amount of 5 to 6 weight%, but is not limited thereto.

[0034] The above skin conditioning agent may be sodium hyaluronate, but is not limited thereto.

[0035] The above skin conditioning agent may be included in an amount of 0.01 to 1 weight% based on the total weight of the first base, preferably 0.01 to 0.5 weight%, 0.01 to 0.2 weight%, 0.02 to 1 weight%, 0.02 to 0.5 weight%, 0.02 to 0.2 weight%, 0.05 to 1 weight%, 0.05 to 0.5 weight%, 0.05 to 0.2 weight%, 0.1 to 1 weight%, 0.1 to 0.5 weight%, 0.1 to 0.2 weight%, or 0.2 to 1 weight%, and for example, may be included in an amount of 0.2 to 0.5 weight%, but is not limited thereto.

[0036] The above multilayer cosmetic composition may additionally include a preservative. The preservative may preferably be 1,2-hexanediol, pentylene glycol, or ethylhexylglycerin, but is not limited thereto.

[0037] In the present invention, the electrolyte may be sodium PCA or sodium chloride, but is not limited thereto.

[0038] In the present invention, the acids may be one or more selected from the group consisting of citric acid, glycolic acid, and gluconolactone, but are not limited thereto.

[0039] The second base may comprise 2 to 40 weight% of the electrolyte or acids, and preferably may comprise 2 to 35 weight%, 2 to 30 weight%, 2 to 25 weight%, 2 to 20 weight%, 5 to 40 weight%, 5 to 35 weight%, 5 to 30 weight%, 5 to 25 weight%, 5 to 20 weight%, 10 to 40 weight%, 10 to 35 weight%, 10 to 30 weight%, 10 to 25 weight%, 10 to 20 weight%, 15 to 40 weight%, 15 to 35 weight%, 15 to 30 weight%, 15 to 25 weight%, 15 to 20 weight%, 20 to 40 weight%, 20 to 35 weight%, or 20 to 30 weight%, and for example For example, it may contain 20 to 25 weight percent, but is not limited thereto.

[0040] The second base may additionally include a solvent, and the solvent may preferably be water, but is not limited thereto.

[0041] In the present invention, the cosmetic composition may comprise a first base and a second base in a volume ratio of 50:50 to 99:1, preferably in a volume ratio of 60:40 to 99:1, 70:30 to 99:1, 80:20 to 99:1, 90:10 to 99:1, 50:50 to 95:5, 60:40 to 95:5, 70:30 to 95:5, 80:20 to 95:5, 90:10 to 95:5, 50:50 to 90:10, 60:40 to 90:10, or 70:30 to 90:10, and may comprise, for example, in a volume ratio of 80:20 to 90:10, but is not limited thereto.

[0042] In one embodiment of the present invention, the multilayer cosmetic composition may be a formulation having a three-layer structure as shown in FIG. 1, in which a first capsule sinks to the bottom and a second capsule floats to the top by filling a container filled with a first base with a second base.

[0043] Another aspect of the present invention is a method for preparing a multilayer cosmetic composition comprising the following:

[0044] A first base manufacturing step of mixing a first capsule containing a target substance with a specific gravity exceeding 1 and a second capsule containing a target substance with a specific gravity less than 1; and

[0045] A filling step of filling a container filled with the first base with a second base containing an electrolyte or an acid.

[0046] The above-mentioned encapsulated substance may be oil.

[0047] In one embodiment of the present invention, the encapsulated material having a specific gravity greater than 1 may be one or more selected from the group consisting of diphenyl dimethicone, methyl perfluorobutyl ether and methyl perfluoroisobutyl ether, and may be, for example, diphenyl dimethicone, but is not limited thereto.

[0048] In one embodiment of the present invention, the encapsulated target material having a specific gravity of less than 1 may be caprylic / capric triglyceride or squalane, and for example, may be caprylic / capric triglyceride, but is not limited thereto.

[0049] The method for manufacturing the above cosmetic composition may additionally include a first capsule manufacturing step of manufacturing a first capsule by mixing one or more selected from the group consisting of a target encapsulation material, butylene glycol, agar, guar gum, and xanthan gum.

[0050] The above first capsule manufacturing step may involve forming a membrane by means of one or more selected from the group consisting of a target substance, a solvent, agar, guar gum, and xanthan gum to encapsulate the target substance, but is not limited thereto.

[0051] Preferably, the first capsule manufacturing step may be performed by combining 40 to 90 weight% of the material to be enclosed, 8 to 30 weight% of the solvent, 0.1 to 5 weight% of the agar, 0.1 to 5 weight% of the guar gum, and 0.01 to 0.5 weight% of the xanthan gum; more preferably, it may be performed by combining 60 to 85 weight% of the material to be enclosed, 10 to 20 weight% of the solvent, 1 to 4 weight% of the agar, 1 to 4 weight% of the guar gum, and 0.02 to 0.2 weight% of the xanthan gum; for example, it may be performed by combining 70 to 80 weight% of the material to be enclosed, 15 to 18 weight% of the solvent, 2 to 3 weight% of the agar, 2 to 3 weight% of the guar gum, and 0.04 to 0.1 weight% of the xanthan gum, but is not limited thereto.

[0052] The above solvent may be one or more selected from the group consisting of water and butylene glycol.

[0053] The method for manufacturing the above cosmetic composition may additionally include a second capsule manufacturing step of manufacturing a second capsule by mixing one or more selected from the group consisting of a target encapsulation material, agar, guar gum, and xanthan gum.

[0054] The above second capsule manufacturing step may involve forming a film by means of one or more selected from the group consisting of a target substance, a solvent, agar, guar gum, and xanthan gum to encapsulate the target substance, but is not limited thereto.

[0055] Preferably, the second capsule manufacturing step may be performed by combining 40 to 90 weight% of the material to be enclosed, 4 to 20 weight% of the solvent, 0.1 to 5 weight% of the agar, 0.1 to 5 weight% of the guar gum, and 0.01 to 0.5 weight% of the xanthan gum; more preferably, it may be performed by combining 60 to 85 weight% of the material to be enclosed, 6 to 14 weight% of the solvent, 0.5 to 3 weight% of the agar, 0.5 to 3 weight% of the guar gum, and 0.02 to 0.2 weight% of the xanthan gum; for example, it may be performed by combining 70 to 80 weight% of the material to be enclosed, 7 to 10 weight% of the solvent, 1 to 2 weight% of the agar, 1 to 2 weight% of the guar gum, and 0.04 to 0.1 weight% of the xanthan gum, but is not limited thereto.

[0056] The above solvent may be water, but is not limited thereto.

[0057] In the present invention, the first base preparation step may be performed by additionally mixing one or more selected from the group consisting of a thickening agent, a pH adjuster, a moisturizer, and a skin conditioning agent.

[0058] The first capsule may be included in an amount of 5 to 30 weight% with respect to the total weight of the first base, preferably 5 to 25 weight%, 5 to 20 weight%, 5 to 15 weight%, 10 to 30 weight%, 10 to 25 weight%, 10 to 20 weight%, 10 to 15 weight%, 15 to 30 weight%, or 15 to 25 weight%, and for example, may be included in an amount of 15 to 20 weight%, but is not limited thereto.

[0059] The second capsule may be included in an amount of 5 to 30 weight% with respect to the total weight of the first base, preferably 5 to 25 weight%, 5 to 20 weight%, 5 to 15 weight%, 10 to 30 weight%, 10 to 25 weight%, 10 to 20 weight%, 10 to 15 weight%, 15 to 30 weight%, or 15 to 25 weight%, and for example, may be included in an amount of 15 to 20 weight%, but is not limited thereto.

[0060] The above-mentioned thickening agent may be a carbomer, an acrylate / C10-30 alkyl acrylate crosspolymer, etc., and may be, for example, a carbomer, but is not limited thereto.

[0061] The above-mentioned thickening agent may be included in an amount of 0.01 to 1 weight% based on the total weight of the first base, preferably 0.01 to 0.5 weight%, 0.01 to 0.2 weight%, 0.02 to 1 weight%, 0.02 to 0.5 weight%, 0.02 to 0.2 weight%, 0.05 to 1 weight%, 0.05 to 0.5 weight%, 0.05 to 0.2 weight%, 0.1 to 1 weight%, or 0.1 to 0.5 weight%, and for example, 0.1 to 0.2 weight%, but is not limited thereto.

[0062] The above pH adjuster may be tromethamine, arginine, etc., and, for example, may be tromethamine, but is not limited thereto.

[0063] The above pH adjuster may be included in an amount of 0.01 to 1 weight% based on the total weight of the first base, preferably 0.01 to 0.5 weight%, 0.01 to 0.2 weight%, 0.02 to 1 weight%, 0.02 to 0.5 weight%, 0.02 to 0.2 weight%, 0.05 to 1 weight%, 0.05 to 0.5 weight%, 0.05 to 0.2 weight%, 0.1 to 1 weight%, or 0.1 to 0.5 weight%, and for example, may be included in an amount of 0.1 to 0.2 weight%, but is not limited thereto.

[0064] The above moisturizer may preferably be glycerin, butylene glycol, propanediol, etc., but is not limited thereto.

[0065] The above moisturizer may be included in an amount of 0.1 to 10 weight% based on the total weight of the first base, preferably 0.1 to 8 weight%, 0.1 to 6 weight%, 0.2 to 10 weight%, 0.2 to 8 weight%, 0.2 to 6 weight%, 0.5 to 10 weight%, 0.5 to 8 weight%, 0.5 to 6 weight%, 1 to 10 weight%, 1 to 8 weight%, 1 to 6 weight%, 2 to 10 weight%, 2 to 8 weight%, 2 to 6 weight%, 5 to 10 weight%, or 5 to 8 weight%, and for example, may be included in an amount of 5 to 6 weight%, but is not limited thereto.

[0066] The above skin conditioning agent may be sodium hyaluronate, but is not limited thereto.

[0067] The above skin conditioning agent may be included in an amount of 0.01 to 1 weight% based on the total weight of the first base, preferably 0.01 to 0.5 weight%, 0.01 to 0.2 weight%, 0.02 to 1 weight%, 0.02 to 0.5 weight%, 0.02 to 0.2 weight%, 0.05 to 1 weight%, 0.05 to 0.5 weight%, 0.05 to 0.2 weight%, 0.1 to 1 weight%, 0.1 to 0.5 weight%, 0.1 to 0.2 weight%, or 0.2 to 1 weight%, and for example, may be included in an amount of 0.2 to 0.5 weight%, but is not limited thereto.

[0068] The above multilayer cosmetic composition may additionally include a preservative. The preservative may preferably be 1,2-hexanediol, pentylene glycol, or ethylhexylglycerin, but is not limited thereto.

[0069] In the present invention, the electrolyte may be sodium PCA or sodium chloride, but is not limited thereto.

[0070] In the present invention, the acids may be one or more selected from the group consisting of citric acid, glycolic acid, and gluconolactone, but are not limited thereto.

[0071] The second base may comprise 2 to 40 weight% of the electrolyte or acids, and preferably may comprise 2 to 35 weight%, 2 to 30 weight%, 2 to 25 weight%, 2 to 20 weight%, 5 to 40 weight%, 5 to 35 weight%, 5 to 30 weight%, 5 to 25 weight%, 5 to 20 weight%, 10 to 40 weight%, 10 to 35 weight%, 10 to 30 weight%, 10 to 25 weight%, 10 to 20 weight%, 15 to 40 weight%, 15 to 35 weight%, 15 to 30 weight%, 15 to 25 weight%, 15 to 20 weight%, 20 to 40 weight%, 20 to 35 weight%, or 20 to 30 weight%, and for example For example, it may contain 20 to 25 weight percent, but is not limited thereto.

[0072] The second base may additionally include a solvent, and the solvent may preferably be water, but is not limited thereto.

[0073] In the present invention, the filling step may be performed by filling the first base and the second base in a volume ratio of 50:50 to 99:1, and preferably may be performed by filling in a volume ratio of 60:40 to 99:1, 70:30 to 99:1, 80:20 to 99:1, 90:10 to 99:1, 50:50 to 95:5, 60:40 to 95:5, 70:30 to 95:5, 80:20 to 95:5, 90:10 to 95:5, 50:50 to 90:10, 60:40 to 90:10, or 70:30 to 90:10, and may be performed by filling in a volume ratio of, for example, 80:20 to 90:10, but is not limited thereto. no.

[0074] In one embodiment of the present invention, when a second base is filled into a container filled with a first base, the first capsule sinks to the bottom and the second capsule rises to the top, thereby realizing a three-layer structure as shown in FIG. 1. Effects of the invention

[0075] The present invention relates to a multilayer capsule cosmetic composition utilizing a difference in specific gravity and a method for manufacturing the same. The cosmetic composition is implemented as a three-layer low-viscosity cosmetic composition by positioning a first capsule containing a substance to be enclosed with a specific gravity greater than 1 at the bottom of the container and a second capsule containing a substance to be enclosed with a specific gravity less than 1 at the top of the container, so that it can be effectively utilized in the manufacturing and filling process of a multilayer cosmetic composition. Brief explanation of the drawing

[0076] FIG. 1 is a schematic diagram of a process for preparing a cosmetic composition of a three-layer formulation comprising two types of capsules with different specific gravities, prepared according to one embodiment of the present invention. FIG. 2 is a photograph of a cosmetic composition of a three-layer formulation containing two types of capsules with different specific gravities, manufactured according to one embodiment of the present invention. Figure 3 is a photograph comparing skin glossiness by a cosmetic composition prepared according to one embodiment of the present invention. Figure 4 is a photograph comparing skin moisture levels by a cosmetic composition prepared according to one embodiment of the present invention. Specific details for implementing the invention

[0077] The present invention will be explained in more detail below through the following examples. However, these examples are merely illustrative of the invention, and the scope of the invention is not limited by these examples.

[0078] Throughout this specification, "%" used to indicate the concentration of a particular substance is (weight / weight)% for solid / solid, (weight / volume)% for solid / liquid, and (volume / volume)% for liquid / liquid, unless otherwise noted.

[0080] Preparation Example 1: Preparation of the first capsule and the second capsule

[0081] A first capsule, which is a bead capsule to be located in the bottommost first layer, was manufactured according to the composition shown in Table 1 below. Diphenyl dimethicone, which has a specific gravity higher than water, was selected as the main ingredient for the first capsule.

[0082] Purpose of formulation Ingredient name Content (weight%) Cas No. menstruum purified water 13.8250 7732-18-5 menstruum Butylene Glycol 2.0000 107-88-0 oil Diphenyl Dimethicone 76.7680 68083-14-7 Thickener Agar 2.2050 9002-18-0 Thickener Cyamopsis Tetragonoloba (Guar) Gum 2.2950 9000-30-0 Thickener Xanthan Gum 0.0500 11138-66-2 etc Other skin conditioning agents, preservatives, colorants 2.857 - total 100.0000 -

[0083] Next, the second capsule, which is a bead capsule to be located in the topmost third layer, was prepared according to the composition shown in Table 2 below. Caprylic / capric triglyceride, which has a specific gravity lower than water, was selected as the main ingredient for the second capsule.

[0084] Purpose of formulation Ingredient name Content (weight%) Cas No. menstruum purified water 8.34150 7732-18-5 oil Caprylic / Capric Triglyceride 84.32150 73398-61-5 Thickener baby 1.21500 9002-18-0 Thickener Guar gum 1.35000 9000-30-0 Thickener Xanthan sword 0.05000 11138-66-2 etc Other skin conditioning agents, preservatives, colorants 4.722 - total 100.0000 -

[0086] Preparation Example 2: Preparation of a cosmetic composition

[0087] To prepare a first base containing the first capsule and the second capsule prepared in Preparation Example 1 above, they were mixed as shown in Table 3 below. In the case of Phase D, the mixing was performed by hand to prevent the capsules from breaking.

[0088] Phase Purpose of formulation INCI Example 1 A menstruum purified water to 100 Skin conditioning agent Sodium hyaluronate 0.2 moisturizer glycerin 2 moisturizer Butylene glycol 3 pH adjuster Tromethamine 0.11 B Thickener Carbomer 0.16 C - Other skin conditioning agents, preservatives 3.05 D - Capsule 1 15 - 2 capsules 15

[0089] Next, to manufacture the second base, it was mixed as shown in Table 4 below.

[0090] Phase Purpose of formulation INCI Example 1 A menstruum purified water to 100 Sodium salt Sodium PCA 20

[0091] The first base and the second base were mixed in a volume ratio of 90:10, and the process was carried out by first filling the container with the first base and then filling it with the second base.

[0092] As can be seen in Figure 2, the three-layer cosmetic composition was successfully implemented in a state where it was filled into a container without the two types of capsules breaking.

[0094] Test Example 1: Comparison of skin glossiness by cosmetic composition

[0095] Changes in skin glossiness resulting from the application of the cosmetic composition of Example 1 were compared on one adult aged 32.

[0096] Specifically, the test site was cleansed with IVORY soap and then waited for 10 minutes in a constant temperature and humidity chamber (22±2℃, 40–60% RH). The Skin Gloss Unit of the test site was measured using the same method before and after the application of the cosmetic composition of Example 1. (Measurement instruments: Gloss meter (Delfin, Finland), VISIA-CR (Canfield Scientific, Inc., USA))

[0097] The results were evaluated by calculating the rate of change using the average of three measurements and comparing the values ​​before and after use.

[0098] Before use After use Skin Gloss Unit (AU) 70 109

[0099] As can be seen in Table 5 and Figure 3 above, the skin glossiness increased immediately upon application of the cosmetic composition of Example 1.

[0101] Test Example 2: Comparison of skin moisture levels by cosmetic composition

[0102] Changes in skin moisture levels resulting from the application of the cosmetic composition of Example 1 were compared in one adult aged 33.

[0103] Specifically, the test site was cleansed with IVORY soap and then waited in a constant temperature and humidity chamber (22±2℃, 40–60% RH) for 10 minutes. Skin moisture levels at the test site were measured before and after the application of the cosmetic composition of Example 1. (Measurement instrument: Epsilon (BiOX, England))

[0104] The results were evaluated by calculating the average of three measurements and comparing the values ​​before and after use.

[0105] Before use After use Skin moisture (AU) 3.2 20.3

[0106] As can be seen in Table 6 and Figure 4 above, the skin moisture level increased by 539.5% upon application of the cosmetic composition of Example 1.

Claims

Claim 1 A multilayer cosmetic composition comprising: a first base comprising a first capsule containing diphenyl dimethicone, which is a target encapsulation material with a specific gravity greater than 1, and a second capsule containing caprylic / capric triglyceride, which is a target encapsulation material with a specific gravity less than 1; and a second base comprising an electrolyte or an acid. Claim 2 A multilayer cosmetic composition according to claim 1, wherein the encapsulated material having a specific gravity exceeding 1 may further comprise methyl perfluorobutyl ether or methyl perfluoroisobutyl ether. Claim 3 A multilayer cosmetic composition according to claim 1, wherein the encapsulated target substance with a specific gravity of less than 1 may further include squalane. Claim 4 A multilayer cosmetic composition according to claim 1, wherein the first base additionally comprises one or more selected from the group consisting of a thickening agent, a pH adjuster, a moisturizer, and a skin conditioning agent. Claim 5 A multilayer cosmetic composition according to claim 1, wherein the cosmetic composition comprises a first base and a second base in a volume ratio of 50:50 to 99:

1. Claim 6 A method for preparing a multilayer cosmetic composition comprising the following: a first base preparation step of mixing a first capsule containing diphenyl dimethicone, which is a target encapsulation material with a specific gravity greater than 1, and a second capsule containing caprylic / capric triglyceride, which is a target encapsulation material with a specific gravity less than 1; and a filling step of filling a container filled with the first base with a second base containing an electrolyte or an acid. Claim 7 A method for preparing a multilayer cosmetic composition according to claim 6, wherein the encapsulated target material having a specific gravity exceeding 1 may further include methyl perfluorobutyl ether or methyl perfluoroisobutyl ether. Claim 8 A method for manufacturing a multilayer cosmetic composition according to claim 6, wherein the encapsulated target substance with a specific gravity of less than 1 may further include squalane. Claim 9 A method for preparing a multilayer cosmetic composition according to claim 6, wherein the first base preparation step is performed by additionally mixing one or more selected from the group consisting of a thickening agent, a pH adjuster, a moisturizer, and a skin conditioning agent. Claim 10 A method for manufacturing a multilayer cosmetic composition according to claim 6, wherein the filling step is performed by filling the first base and the second base in a volume ratio of 50:50 to 99:1.

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