Cosmetic composition comprising oil capsules

Abstract

The present invention relates to a cosmetic composition comprising gellan gum, metal ions, and oil capsules. The inclusion of the oil capsules can provide a cosmetic composition capable of loading an active ingredient, such as a moisturizing component, in the composition and achieving visual differentiation through capsules.

Description

Cosmetic composition containing oil capsules

[0001] This patent application claims priority to Korean Patent Application No. 10-2024-0174295 filed with the Korean Intellectual Property Office on November 29, 2024, the disclosures of said patent application are incorporated herein by reference.

[0002] The present invention relates to a cosmetic composition comprising gellan gum, metal ions, and oil capsules.

[0003] Unlike in the past when rich and nourishing toners were preferred, there is now a rising preference for toners that offer moderate hydration and nourishment while providing a refreshing feel and convenient application. Consequently, there is an increasing trend of product lines that utilize convenient spraying methods, such as mist or aerosol types.

[0004] However, since this spray type is not easy to use when the viscosity of the contents is high, as the spray angle narrows, the formulation is generally limited to liquid contents with almost no viscosity.

[0005] Recently, research on sprayable gel-type cosmetics has been actively conducted. However, general gel-type compositions have a characteristic of not easily changing shape even when pressure and shear force are applied, making it difficult to spread evenly in the form of small particles when sprayed. As a result, most gel-type sprayable compositions have limitations in providing uniform moisture to the skin.

[0006] Meanwhile, along with the recent rise of functional cosmetics in the market, there is an increasing demand for visual aesthetics and differentiated user experiences. Reflecting this emotional demand, there are ongoing attempts to provide users with visual pleasure, aesthetic sensibility, and the joy of makeup by modifying the unique shapes, colors, or textures of bead formulations.

[0007] However, conventional cosmetic compositions using capsules can only be implemented as high-viscosity cosmetic compositions such as creams, gels, pastes, and balms, and there were limitations in implementing them as low-viscosity cosmetic compositions such as toners and lotions.

[0008] Accordingly, various studies have been attempted regarding low-viscosity cosmetic compositions incorporating capsules; however, when capsules are applied to low-viscosity cosmetic compositions, problems have arisen where the capsules are not stably supported within the formulation and tend to sink or float. Furthermore, even if the capsules are temporarily dispersed within the cosmetic composition, there have been issues where they are not uniformly dispersed or fail to maintain their dispersed state for an extended period, instead sinking or floating.

[0009] Accordingly, there is a need for the development of cosmetic compositions that can be formed with low viscosity, enabling the realization of various formulations, while also possessing excellent capsule dispersibility and dispersion stability.

[0010] The inventors have completed the present invention regarding a cosmetic composition in which oil capsules are stably dispersed for a long period even in a low-viscosity liquid phase using gellan gum, and by utilizing this, it is possible to provide a cosmetic composition comprising capsules containing active ingredients such as moisturizing ingredients, and visual differentiation is possible through the capsules within the composition.

[0011] Accordingly, the object of the present invention is to provide a cosmetic composition comprising gellan gum, metal ions, and oil capsules.

[0012] The present invention relates to a cosmetic composition comprising gellan gum, metal ions, and oil capsules.

[0013] The present invention will be described in more detail below.

[0014] One aspect of the present invention relates to a cosmetic composition comprising gellan gum, metal ions, and oil capsules.

[0015] In the present invention, the gellan gum may be included in an amount of 0.05 to 0.3 weight% relative to the total weight of the cosmetic composition, 0.05 to 0.25 weight%, 0.05 to 0.2 weight%, 0.1 to 0.3 weight%, 0.1 to 0.25 weight%, or 0.1 to 0.2 weight%, and for example, 0.1 weight%, but is not limited thereto.

[0016] In the present invention, the metal ion may be a monovalent or divalent cation metal ion, and may be, for example, one or more selected from the group consisting of calcium ion, magnesium ion, potassium ion, sodium ion, zinc ion, copper ion, iron ion, manganese ion, strontium ion, cesium ion, silver ion, and gold ion, but is not limited thereto.

[0017] In the present invention, the metal ion may be provided from a metal salt, for example, from one or more metal salts selected from the group consisting of calcium chloride, calcium lactate, calcium acetate, calcium citrate, calcium gluconate, calcium phosphate, calcium carbonate, sodium chloride, sodium lactate, potassium chloride, potassium lactate, potassium sulfate, magnesium chloride, magnesium lactate, magnesium sulfate, magnesium citrate, zinc sulfate, zinc gluconate, zinc lactate, zinc PCA, zinc citrate, copper sulfate, copper gluconate, barium gluconate, barium chloride, barium sulfate, ferrous sulfate, and ferric chloride, but is not limited thereto.

[0018] When the metal ions are provided by a metal salt, the metal salt may be included in an amount of 0.01 to 0.5 weight% relative to the total weight of the cosmetic composition, 0.01 to 0.4 weight%, 0.01 to 0.3 weight%, 0.01 to 0.2 weight%, 0.01 to 0.1 weight%, 0.05 to 0.5 weight%, 0.05 to 0.4 weight%, 0.05 to 0.3 weight%, 0.05 to 0.2 weight%, or 0.05 to 0.1 weight%, and may be included, for example, in an amount of 0.1 weight%, but is not limited thereto.

[0019] In the present invention, the oil capsule may be included in an amount of 0.1 to 4.5 weight% relative to the total weight of the cosmetic composition, and may be included in an amount of 0.1 to 4 weight%, 0.1 to 3.5 weight%, 0.1 to 3 weight%, 0.5 to 4.5 weight%, 0.5 to 4 weight%, 0.5 to 3.5 weight%, 0.5 to 3 weight%, 1 to 4.5 weight%, 1 to 4 weight%, 1 to 3.5 weight%, 1 to 3 weight%, 1 to 2.5 weight%, 1.5 to 4.5 weight%, 1.5 to 4 weight%, 1.5 to 3.5 weight%, or 1.5 to 3 weight%, for example, 1.5 to 2.5 weight%, but is not limited thereto.

[0020] In the present invention, the oil capsule may have a diameter of 0.1 to 1.4 mm, 0.1 to 1.3 mm, 0.1 to 1.2 mm, 0.1 to 1.1 mm, 0.1 to 1.0 mm, 0.1 to 0.9 mm, 0.1 to 0.8 mm, or 0.1 to 0.7 mm, 0.2 to 1.4 mm, 0.2 to 1.3 mm, 0.2 to 1.2 mm, 0.2 to 1.1 mm, 0.2 to 1.0 mm, 0.2 to 0.9 mm, 0.2 to 0.8 mm, or 0.2 to 0.7 mm, and may, for example, be 0.2 to 0.6 mm, but is not limited thereto.

[0021] In the present invention, the oil capsule may contain various active ingredients. For example, the oil capsule may contain one or more active ingredients selected from the group consisting of retinol, retinyl palmitate, polyethoxylated retinamide, bakuchiol, ascorbyl tetraisopalmitate, tetrahexyldecyl ascorbate, ascorbyl palmitate, oil-soluble licorice extract, tocopherol, tocopheryl acetate, bisabolol, salicylic acid, capryloyl salicylic acid, and ceramide, but is not limited thereto.

[0022] In the present invention, the oil capsule may have an outer membrane selected from one or more of the group consisting of acrylate / C10-30 alkyl acrylate crosspolymer and hydrolyzed collagen, but is not limited thereto.

[0023] In the present invention, the oil capsule may have an inner phase selected from one or more of the group consisting of ester oil, hydrocarbon oil, vegetable oil, and silicone oil, but is not limited thereto.

[0024] In the present invention, the ester oil may be one or more selected from the group consisting of ethylhexyl palmitate, triethylhexanoin, isopropyl myristate, isopropyl palmitate, cetyl octanoate, cetyl 2-hexanoate, 2-octyldodecyl myristate, and diisostearyl malate, but is not limited thereto.

[0025] In the present invention, the hydrocarbon oil may be one or more selected from the group consisting of polybutene, polyisobutene, hydrogenated polyisobutene, hydrogenated didecene, isohexadecane, and isododecane, but is not limited thereto.

[0026] In the present invention, the vegetable oil may be one or more selected from the group consisting of caprylic / capric triglyceride, squalane, olive oil, coconut oil, castor oil, apple oil, camellia oil, almond oil, avocado oil, rosehip oil, green tea seed oil, hemp seed oil, sunflower seed oil, argan oil, tamanu oil, macadamia nut oil, palm oil, and jojoba oil, but is not limited thereto.

[0027] In the present invention, the silicone oil may be one or more selected from the group consisting of dimethicone, cyclomethicone, cyclopentasiloxane, cyclohexasiloxane, dimethiconol, cetyl dimethicone, acrylate / dimethicone copolymer, stearyl dimethicone, and phenyl trimethicone, but is not limited thereto.

[0028] In the present invention, the cosmetic composition may have a viscosity of 100 to 2,500 cps, 100 to 2,000 cps, 100 to 1,500 cps, 100 to 1,000 cps, 100 to 500 cps, 200 to 2,500 cps, 200 to 2,000 cps, 200 to 1,500 cps, 200 to 1,000 cps, 200 to 500 cps, 300 to 2,500 cps, 300 to 2,000 cps, 300 to 1,500 cps, 300 to 1,000 cps, or 300 to 500 cps, for example, 500 cps, but is not limited thereto.

[0029] In the present invention, the cosmetic composition may be a sprayable cosmetic composition, but is not limited thereto.

[0030] In the present invention, the cosmetic composition may additionally include one or more selected from the group consisting of metal ion chelating agents, pH adjusters, polyols, preservatives, surfactants, and fragrances, but is not limited thereto.

[0031] The above metal ion chelating agent may be one or more selected from the group consisting of disodium EDTA, sodium citrate, trisodium EDTA, and tetrasodium EDTA, but is not limited thereto.

[0032] The metal ion chelating agent may be included in an amount of 0.01 to 0.1 weight% relative to the total weight of the cosmetic composition, 0.01 to 0.09 weight%, 0.01 to 0.08 weight%, 0.03 to 0.1 weight%, 0.03 to 0.09 weight%, 0.03 to 0.08 weight%, 0.06 to 0.1 weight%, or 0.06 to 0.09 weight%, for example, 0.06 to 0.08 weight%, but is not limited thereto.

[0033] The above neutralizing agent may include one or more selected from the group consisting of tromethamine, arginine, potassium hydroxide, sodium hydroxide, triethanolamine and aminomethylpropanediol, L-arginine, sodium hydroxide and sodium citrate, but is not limited thereto.

[0034] The above pH adjuster may be one or more selected from the group consisting of sodium citrate, citric acid, lactic acid, and glycolic acid, but is not limited thereto.

[0035] The above pH adjuster may be included in an amount of 0.01 to 0.1 weight% relative to the total weight of the cosmetic composition, 0.01 to 0.08 weight%, 0.01 to 0.06 weight%, 0.02 to 0.1 weight%, 0.02 to 0.08 weight%, 0.02 to 0.06 weight%, 0.04 to 0.1 weight%, or 0.04 to 0.08 weight%, for example, 0.04 to 0.06 weight%, but is not limited thereto.

[0036] The above polyol may be one or more selected from the group consisting of glycerin, butylene glycol, dipropylene glycol, propylene glycol, and propanediol, but is not limited thereto.

[0037] The above polyol may be included in an amount of 1 to 30 weight% relative to the total weight of the cosmetic composition, 1 to 25 weight%, 1 to 20 weight%, 1 to 15 weight%, 3 to 30 weight%, 3 to 25 weight%, 3 to 20 weight%, 3 to 15 weight%, 5 to 30 weight%, 5 to 25 weight%, 5 to 20 weight%, 5 to 15 weight%, 8 to 30 weight%, 8 to 25 weight%, or 8 to 20 weight%, and may be included, for example, in an amount of 8 to 15 weight%, but is not limited thereto.

[0038] The above preservative may be one or more selected from the group consisting of 1,2-hexanediol, ethylhexylglycerin, caprylyl glycol, chlorphenesin, sodium benzoate, phenoxyethanol, potassium benzoate, potassium sorbate, hydroxyacetophenone, pentylene glycol, methylparaben, and propylparaben, but is not limited thereto.

[0039] The above preservative may be included in an amount of 0.01 to 5 weight% relative to the total weight of the cosmetic composition, or in an amount of 0.01 to 4 weight%, 0.01 to 3 weight%, 0.05 to 5 weight%, 0.05 to 4 weight%, 0.05 to 3 weight%, 0.1 to 5 weight%, 0.1 to 4 weight%, 0.1 to 3 weight%, 0.5 to 5 weight%, 0.5 to 4 weight%, 0.5 to 3 weight%, 1 to 5 weight%, 1 to 4 weight%, 1 to 3 weight%, 2 to 5 weight%, or 2 to 4 weight%, and for example, may be included in an amount of 2 to 3 weight%, but is not limited thereto.

[0040] The above surfactant may be one or more selected from the group consisting of octyldodeces-16, PPG-13-decyltetradeces-24, polysorbate 20, polysorbate-60 potassium cetyl phosphate, polyglyceryl-10 laurate, polyglyceryl-10 myristate, polyglyceryl-10 stearate, polyglyceryl-10 isostearate, polyglyceryl-10 oleate, glycolipid, polyglyceryl-6 ricinoleate, polyglyceryl-4 caprate, PEG-60 hydrogenated castor oil, PEG-40 hydrogenated castor oil, caprylyl / capryl glucoside, polyglyceryl-3 methylglucose distearate, and sorbitan sesquioleate, but is not limited thereto.

[0041] The above surfactant may be included in an amount of 0.1 to 1 weight% relative to the total weight of the cosmetic composition, 0.1 to 0.8 weight%, 0.1 to 0.6 weight%, 0.1 to 0.4 weight%, 0.2 to 1 weight%, 0.2 to 0.8 weight%, or 0.2 to 0.6 weight%, and may be included, for example, in an amount of 0.2 to 0.4 weight%, but is not limited thereto.

[0042] The above fragrance may include essential oils, and the essential oils may be one or more selected from the group consisting of bergamot fruit oil, ylang-ylang flower oil, lavender oil, rosemary leaf oil, patchouli oil, and peppermint oil, but are not limited thereto.

[0043] The above fragrance may be included in an amount of 0.01 to 0.1 weight% relative to the total weight of the cosmetic composition, 0.01 to 0.08 weight%, 0.01 to 0.06 weight%, 0.02 to 0.1 weight%, 0.02 to 0.08 weight%, 0.02 to 0.06 weight%, 0.04 to 0.1 weight%, or 0.04 to 0.08 weight%, for example, 0.04 to 0.06 weight%, but is not limited thereto.

[0044] The cosmetic composition of the present invention can be prepared in any formulation commonly manufactured in the art, and, for example, in addition to general cosmetic compositions such as emulsions, lotions, essences, and creams, it can also be applied to various functional cosmetic compositions such as anti-aging functional cosmetics and whitening functional cosmetics.

[0045] In addition, the above cosmetic composition can be manufactured in various formulations, and there are no special restrictions on the formulations, such as cream, lotion, emulsion, essence, etc., and more specifically, can be manufactured in formulations such as softening lotion, nourishing lotion, essence, nourishing emulsion, nourishing cream, eye cream, massage cream, cleansing cream, cleansing foam, cleansing water, powder, pack, hair cosmetic products, body emulsion, body cream, body oil, body essence, body cleanser, etc.

[0046] In a preferred embodiment, the cosmetic composition of the present invention may be in the form of a cream, emulsion, or essence. The carrier or additive used therein may be optionally used depending on the formulation of the cosmetic.

[0047] Accordingly, the cosmetic composition used in the present invention may further include, in addition to the above ingredients, ingredients that can generally be used in cosmetics such as creams, emulsions, essences, etc., such as oil ingredients, moisturizers, emollients, surfactants, organic and inorganic pigments, organic powders, UV absorbers, preservatives, disinfectants, antioxidants, plant extracts, pH adjusters, alcohols, colorants, fragrances, blood circulation promoters, cooling agents, antiperspirants, preservatives, and solvents, and may further add fragrances according to preference.

[0048] In addition, when the formulation of the present invention is a paste, cream, or gel, animal fibers, plant fibers, wax, paraffin, starch, tracanth, cellulose derivatives, polyethylene glycol, silicone, bentonite, silica, talc, or zinc oxide may be used as carrier components. When the formulation of the present invention is a powder or spray, lactose, talc, silica, aluminum hydroxide, calcium silicate, or polyamide powder may be used as carrier components, and in particular, in the case of a spray, a propellant such as chlorofluorohydrocarbon, propane / butane, or dimethyl ether may be additionally included.

[0049] When the formulation of the present invention is a solution or an emulsion, a solvent, a solvating agent, or an emulsifying agent is used as a carrier component, such as water, ethanol, isopropanol, ethyl carbonate, ethyl acetate, benzyl alcohol, benzyl benzoate, propylene glycol, 1,3-butyl glycol oil, glycerol aliphatic ester, polyethylene glycol, or fatty acid ester of sorbitan. When the formulation of the present invention is a suspension, a liquid diluent such as water, ethanol, or propylene glycol, a suspending agent such as ethoxylated isostearyl alcohol, polyoxyethylene sorbitol ester, and polyoxyethylene sorbitan ester, microcrystalline cellulose, aluminum metahydroxide, bentonite, agar, or tragacanth may be used as a carrier component.

[0050] The present invention relates to a cosmetic composition comprising gellan gum, metal ions, and oil capsules. By including oil capsules, active ingredients such as moisturizing ingredients can be contained within the composition, and a cosmetic composition capable of visual differentiation by means of capsules can be provided.

[0051] FIG. 1a is a photograph confirming the appearance and spray pattern of the cosmetic composition of Example 5 according to one embodiment of the present invention.

[0052] FIG. 1b is a photograph showing the stability of capsules in the composition after storing the cosmetic composition of Example 5 under various conditions for 3 months according to one embodiment of the present invention.

[0053] Figure 2 is a photograph comparing skin moisture levels measured before and after use of the cosmetic compositions of Example 5 and Comparative Example 10 according to one embodiment of the present invention.

[0054] The present invention relates to a cosmetic composition comprising gellan gum, metal ions, and oil capsules.

[0055] 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.

[0056] 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.

[0057]

[0058] Experimental Example 1. Comparison of Capsule Dispersion and Stability in Cosmetics According to Thickener

[0059] To confirm the differences in capsule dispersion and stability within the cosmetic according to the type of thickener, cosmetic compositions containing oil capsules were prepared with different types of thickeners as shown in Table 1.

[0060] Ingredient Name Example 1 Comparative Example 1 Comparative Example 2 Comparative Example 3 Comparative Example 4 Comparative Example 5 Comparative Example 6 Purified Water To 100 To 100 To 100 To 100 To 100 To 100 To 100 Gellan Gum 0.1------Xanthan Gum-0.1-----Hydroxyethyl Cellulose--0.1----Cellulose Gum---0.1---Acrylate / C10-30 Alkyl Acrylate Crosspolymer----0.1--Carbomer-----0.1-Ammonium Acryloyl Dimethyl Taurate / VP Copolymer------0.1 Calcium Chloride 0.1------Disodium EDTA 0.020.020.020.020.020.020.02 Citric Acid 0.010 .010.010.01--0.01 Sodium Citrate 0.05 0.05 0.05 0.05--0.05 Tromethamine ----0.08 0.08-Glycerin 3333333 Butylene Glycol 44444441,2-Hexanediol 2222222 Ethylhexylglycerin 0.05 0.05 0.05 0.05 0.05 0.05 0.05 Octyldodeces-16 0.3 0.3 0.3 0.3 0.3 0.30.3 Fragrance 0.05 0.05 0.05 0.05 0.05 0.05 Capsule (Acrylate 0.8~1.2mm) 2222222

[0061] The raw materials of the thickeners and water-soluble components in Table 1 were uniformly mixed using a homomixer at 5,000 rpm for 5 minutes at 80–85°C. Then, after cooling to room temperature, the pre-mixed surfactant and fragrance were added, followed by additional mixing at 5,000 rpm for 5 minutes. After undergoing a degassing process, capsules were added to prepare each composition.

[0062] Each thickening agent was added at a content of 0.1 wt%, and the capsule was prepared by including caprylic / capric triglyceride as an oil-soluble component in the inner phase of a capsule made of an acrylate / C10-30 alkyl acrylate crosspolymer outer membrane, and the capsule size used was 0.8 to 1.2 mm in diameter.

[0063] In the case of Comparative Examples 4 and 5, tromethamine was used as a pH adjuster for viscosity formation due to the characteristics of the thickener used.

[0064] The capsule dispersion of the prepared compositions was checked, and compositions with good dispersion were selected. The viscosity and spray angle of the selected compositions were measured, and the results of comparing long-term stability by storing them at 50°C for one week or in a south-facing location with sunlight for two weeks are shown in Table 2.

[0065] Example 1 Comparative Example 1 Comparative Example 2 Comparative Example 3 Comparative Example 4 Comparative Example 5 Comparative Example 6 Capsule Dispersibility Possible Impossible Impossible Possible Impossible Viscosity (cps) 520---440 530- Dispensing Angle (°) 79---42 62- Capsule Dispersion Stability (50℃, 1 week) Stable---Separable- Sunlight Stability (South-facing, 2 weeks) Stable---Separable-

[0066] The compositions of Comparative Examples 1, 2, 3, and 6 were unsuitable for containing capsules in the composition because the dispersion of the capsules did not occur uniformly. Although the compositions of Comparative Examples 4 and 5 showed good dispersion of capsules immediately after preparation, separation of the capsules and the composition occurred when stored at 50°C for one week and when stored under sunlight exposure conditions for two weeks, making it impossible to ensure stability during long-term storage.

[0067] On the other hand, the composition of Example 1 using gellan gum had capsules uniformly dispersed throughout the composition, and the spray angle was also excellent compared to Comparative Examples 1 to 6. It was confirmed that the capsules did not separate when stored at 50°C for one week and when stored under sunlight exposure conditions for two weeks, making it suitable for long-term storage.

[0068]

[0069] Experimental Example 2. Comparison of Capsule Dispersion and User Sensibility in Cosmetics According to Gellan Gum Content

[0070] To compare capsule dispersion and feel according to gellan gum content, cosmetic compositions were prepared as shown in Table 3.

[0071] Ingredient Name Comparative Example 7 Example 2 Example 1 Example 3 Example 4 Comparative Example 8 Comparative Example 9 Purified Water To 100 To 100 To 100 To 100 To 100 To 100 To 100 Gellan Gum 0.02 0.05 0.10.2 0.3 0.4 0.5 Calcium Chloride 0.10.10.10.10.10.10.1 Disodium EDTA 0.02 0.02 0.02 0.02 0.02 0.02 0.02 Citric Acid 0.01 0.01 0.01 0.01 0.01 0.01 0.01 Sodium Citrate 0.05 0.05 0.05 0.05 0.05 0.05 0.05 Glycerin 3 3 3 3 33 Butylene Glycol 4 4 4 4 4 4 1,2-Hexanediol 2 2 2 2 2 Ethylhexylglycerin 0.05 0.05 0.05 0.05 0.05 0.05 0.05 Octyldodeceth-16 0.3 0.3 0.3 0.3 0.3 0.3 0.3 Fragrance 0.05 0.05 0.05 0.05 0.05 0.05 Capsule (Acrylate, 0.8~1.2 mm) 2 2 2 2 2 2

[0072] Cosmetic compositions were prepared in the same manner as in Experimental Example 1, with only the gellan gum content varied, and the viscosity and capsule dispersion according to the gellan gum content were compared and shown in Table 4.

[0073] Ingredient Name Comparative Example 7 Example 2 Example 1 Example 3 Example 4 Comparative Example 8 Comparative Example 9 pH 4.95 4.9 4.92 4.98 5.01 4.95 4.96 Viscosity 60 150 520 1,290 2,260 3,830 4,550 Capsule Dispersibility Possible Possible Possible Possible Possible Capsule Dispersion Stability (50℃, 1 month) Separation Stability Stability Stability Stability Stability Stability

[0074] The composition of Comparative Example 7 showed good dispersion of the capsule immediately after preparation, but when stored at 50°C for one month, separation of the capsule and the composition occurred, making it unsuitable for use as a spray composition.

[0075] Sensory evaluations regarding the overall user experience, including spray power, moisture sensation, and moisturizing sensation, were conducted on 10 people for compositions excluding Comparative Example 7 and are shown in Table 5. At this time, the sensory evaluation was evaluated on a maximum of 5 points, and a score of 3 points or higher was judged to indicate excellent user experience.

[0076] Ingredient Name Example 2 Example 1 Example 3 Example 4 Comparative Example 8 Comparative Example 9 Spray Power (Comprehensive evaluation of spray angle, spray particle size, and adhesion) 4.5 4.6 3.1 2.4 1.9 1.6 Moisture Sense 4.3 4.2 3.3 3.1 2.5 2.2 Hydrating Sense 3.5 3.8 3.5 3.6 3.5 3.4 Overall User Experience 4.2 4.5 4.1 3.2 2.9 2.2

[0077] The compositions of Comparative Examples 8 and 9 had excessively high viscosity, resulting in relatively poor spraying power and moisture sensation. On the other hand, the compositions of Examples 1 to 4, containing 0.05 to 0.4 weight% of gellan gum, were produced with a viscosity suitable for spraying, and it was confirmed that the moisture sensation and moisturizing sensation were also excellent.

[0078]

[0079] Experimental Example 3. Comparison of Capsule Dispersion and Spray Angle in Cosmetics According to Capsule Ingredients and Size

[0080] To compare capsule dispersion and spray angle according to the components and size of oil capsules, cosmetic compositions were prepared as shown in Table 6.

[0081] Ingredient Name Example 5 Example 6 Example 1 Example 7 Example 8 Example 9 Purified Water To 100 To 100 To 100 To 100 To 100 To 100 Gellan Gum 0.10.10.10.10.10.1 Calcium Chloride 0.10.10.10.10.10.1 Disodium EDTA 0.020.020.020.020.020.02 Citric Acid 0.010.010.010.010.010,010.01 Sodium Citrate 0.050.050.050.050.0 50.05 Glycerin 333333 Butylene Glycol 444444 1,2-Hexanediol 222222 Ethylhexylglycerin 0.05 0.05 0.05 0.05 0.05 0.05 Octyldodeceth-16 0.30 0.30 0.30 0.30.3 Fragrance 0.05 0.05 0.05 0.05 0.05 0.05 Capsule (Acrylate, 0.2~0.6mm)2-----Capsule (Collagen 0.2~0.6mm)-2----Capsule (Acrylate, 0.8~1.2mm)--2---Capsule (Collagen, 0.8~1.2mm)---2--Capsule (Acrylate, 1.5~2.0mm)----2-Capsule (Collagen 1.5~2.0mm)-----2

[0082] A cosmetic composition was prepared in the same manner as in Experimental Example 1, except for the type and size of the capsules. Two types of capsules were used: an acrylate / C30 alkyl acrylate crosspolymer capsule and a hydrolyzed collagen capsule. The capsule dispersion and spray angles were compared according to the capsule diameter ranges of 0.2–0.6 mm, 0.8–1.2 mm, and 1.5–2.0 mm, and are shown in Table 7.

[0083] Ingredient Name Example 5 Example 6 Example 1 Example 7 Example 8 Example 9 Capsule Dispersible Possible Possible Possible Possible Spray Angle (°) 80 76 7 7 75 6 9 71 Specific Notes ---- Nozzle Jam Nozzle Jam

[0084] It was confirmed that the capsules were well dispersed in all compositions of Example 1 and Examples 5 to 9, and through a spray test, it was confirmed that a sufficient spray angle of about 70° or more was obtained.

[0085] However, the compositions of Examples 8 and 9 had relatively large capsule sizes, so nozzle jamming occurred during spraying.

[0086]

[0087] Experimental Example 4. Comparison of Capsule Dispersion and Spray Angle in Cosmetics According to Capsule Content

[0088] To compare capsule dispersion and spray angle of the cosmetic according to the oil capsule content, cosmetic compositions were prepared with different capsule contents as shown in Table 8.

[0089] Ingredient Name Example 10 Example 5 Example 11 Example 12 Example 13 Purified Water To 100 To 100 To 100 To 100 To 100 Gellan Gum 0.10.10.10.10.1 Calcium Chloride 0.10.10.10.10.1 Disodium EDTA 0.020.020.020.020.02 Citric Acid 0.010.010.010.010.01 Sodium Citrate 0.050.050.050.050.05 Glycerin 33333 Butylene Glycol 44444 1,2-Hexanediol 22222 Ethylhexylglycerin 0.050.050.050.050.05 Octyldodeceth-16 0.30.30.30.30.3 Fragrance 0.050.050.050.050.05 Capsule (Acrylate, 0.2~0.6mm) 12345

[0090] A cosmetic composition was prepared using the same method as in Experimental Example 1, except for the capsule content. The capsule used was an acrylate / C30 alkyl acrylate crosspolymer capsule with a diameter of 0.2–0.6 mm, which showed the best efficacy in Experimental Example 3. The capsule dispersion and spray angle were compared by adding different amounts ranging from 1 to 5 weight%. Additionally, a sensory evaluation of the user experience was conducted on 10 subjects, and the comparison results are shown in Table 9. The sensory evaluation was performed on a scale of 10 points.

[0091] Ingredient Name Example 10 Example 5 Example 11 Example 12 Example 13 Capsule Dispersible Possible Possible Possible Spray Angle (°) 8 1 8 0 7 5 7 1 6 9 Specifics ---- Nozzle jamming User Experience Satisfaction 9.0 9.2 8.2 7.5 6.8

[0092] It was confirmed that the capsules were well dispersed in all compositions of Example 5 and Examples 10 to 13, which contained 1 to 5 weight percent of capsules, and through a spray test, it was confirmed that a sufficient spray angle of about 70° or more was obtained.

[0093] The composition of Example 13, containing 5% by weight of capsules, had a relatively high capsule content, which caused nozzle jamming during spraying, whereas the composition of Example 5, containing 2% by weight of capsules, had a superior spray angle and feel compared to other compositions.

[0094]

[0095] Experimental Example 5. Evaluation of Stability and Spray Power

[0096] Stability and spray power were further evaluated using the composition of Example 5 (0.1 wt% gellan gum, 0.2-0.6 mm acrylate / C10-30 alkyl acrylate crosspolymer capsule 2 wt%), which had the best spray angle and feel of use through Experimental Examples 1 to 4 above.

[0097] As can be seen in Fig. 1a, the composition of Example 5 had oil capsules very uniformly dispersed within the composition, and the spraying power was also excellent.

[0098] In addition, to confirm stability when stored for a long period, the composition of Example 5 was stored in a constant temperature bath at 4°C, 25°C, and 50°C under sunlight conditions, and after 3 months, it was confirmed whether the capsules were uniformly dispersed.

[0099] As can be seen in Fig. 1b, it was confirmed that the oil capsules of the composition of Example 5 were very uniformly dispersed under all conditions even after 3 months.

[0100]

[0101] Experimental Example 6. Evaluation of moisturizing ability

[0102] To confirm the moisturizing power of the oil capsule, the cosmetic composition of Example 5 and the composition of Comparative Example 10, which does not contain oil capsules, were prepared as shown in Table 10, and the moisturizing effects of the two compositions were compared.

[0103] Ingredient Name Example 5 Comparative Example 10 Purified Water To 100 To 100 Gellan Gum 0.1 0.1 Calcium Chloride 0.1 0.1 Disodium EDTA 0.02 0.02 Citric Acid 0.01 0.01 Sodium Citrate 0.05 0.05 Glycerin 3 3 Butylene Glycol 4 4 1,2-Hexanediol 2 2 Ethylhexylglycerin 0.05 0.05 Octyldodeceth-16 0.3 0.3 Fragrance 0.05 0.05 Capsule (Acrylate, 0.2~0.6 mm) 2-

[0104] Specifically, the test area was washed with soap and then left in a constant temperature and humidity room (22±2℃, 40–60 RH) for 10 minutes. Afterward, each composition was sprayed onto the test area 5 times, and after 10 minutes, the skin moisture level of the test area was compared to before use. The above process was repeated 3 times for each, and the average of the measured values ​​was calculated and is shown in Table 11.

[0105] Before Use (AU) After Use (AU) Increase Example 55.60 38.536 88% Comparative Example 105.56 19.283 46%

[0106] As can be seen in Figure 2, when the composition of Example 5 was applied to the test site, the skin moisture level increased significantly, whereas in the case of the composition of Comparative Example 10, the skin moisture level increased, but did not reach the amount of increase of Example 5.

[0107] The present invention relates to a cosmetic composition comprising gellan gum, metal ions, and oil capsules. By including oil capsules, active ingredients such as moisturizing ingredients can be contained within the composition, and a cosmetic composition capable of visual differentiation by means of capsules can be provided.

Claims

1. A cosmetic composition comprising gellan gum, metal ions, and oil capsules.

2. A cosmetic composition according to claim 1, wherein the gellan gum is included in an amount of 0.05 to 0.3 weight% relative to the total weight of the cosmetic composition.

3. A cosmetic composition according to claim 1, wherein the metal ion is a monovalent or divalent cation metal ion.

4. A cosmetic composition according to claim 1, wherein the oil capsule is included in an amount of 1 to 4 weight percent based on the total weight of the cosmetic composition.

5. A cosmetic composition according to claim 1, wherein the oil capsule has a diameter of 0.2 to 1.2 mm.

6. A cosmetic composition according to claim 1, wherein the oil capsule has an outer membrane selected from one or more of the group consisting of acrylate / C10-30 alkyl acrylate crosspolymer and hydrolyzed collagen.

7. A cosmetic composition according to claim 1, wherein the oil capsule has an internal phase selected from one or more of the group consisting of ester oil, hydrocarbon oil, vegetable oil, and silicone oil.

8. The cosmetic composition according to claim 1, wherein the cosmetic composition has a viscosity of 100 to 2,500 cps.

9. A cosmetic composition according to claim 1, wherein the cosmetic composition further comprises one or more selected from the group consisting of metal ion chelating agents, pH adjusters, polyols, preservatives, surfactants, and fragrances.

10. A cosmetic composition according to claim 1, wherein the cosmetic composition is a sprayable cosmetic composition.

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