Oil-in-water emulsion composition

JP2024166707A5Pending Publication Date: 2026-04-01KAO CORP
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2023-05-19
Publication Date
2026-04-01

AI Technical Summary

Technical Problem

Conventional oil-in-water emulsion compositions lack sufficient adhesion to the skin, fail to moisturize effectively, and do not provide long-lasting firmness or moisturized feel.

Method used

The composition combines polyoxyethylene alkyl ether or polyoxyethylene alkenyl ether with a liquid oil agent and a specific solid oil agent, utilizing oils that are liquid or solid at 25°C, along with a specific range of ethylene oxide addition, to enhance skin adhesion and provide a moist and firm feeling.

Benefits of technology

The composition achieves excellent skin adhesion, a change in texture upon drying, and a long-lasting moist and firm feel, improving skin moisturization and firmness.

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Abstract

To provide an oil-in-water emulsion composition that offers excellent skin adhesion, imparts a sense of moisture and elasticity, and sustains the sensation of firmness.SOLUTION: An oil-in-water emulsion composition contains following components (A), (B), (C) and (D): (A) an oil solution that is liquid at 25°C (excluding (E) highly polymerized silicone oil), (B) an oil solution containing hydrocarbon that is solid at 25°C (excluding (E) highly polymerized silicone oil), (C) a polyoxyethylene alkyl ether or polyoxyethylene alkenyl ether with a C20-24 alkyl group or alkenyl group, with the average number of moles of ethylene oxide added ranging from 1.5 to 4, and (D) water.SELECTED DRAWING: None
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Description

[Technical field]

[0001] The present invention relates to an oil-in-water emulsion composition. [Background technology]

[0002] Oil-in-water emulsion compositions having high moisturizing effect and excellent feel on use have been investigated. For example, Patent Document 1 describes that an oil-in-water emulsion composition that contains a specific polyoxyethylene alkyl or alkenyl ether, a polyhydric alcohol, and a water-soluble polymer in the aqueous phase, as well as an oily component having a specific IOB value, has a high water evaporation suppression effect and excellent stability over time. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2011-256117 A Summary of the Invention [Problem to be solved by the invention]

[0004] Conventional oil-in-water emulsion compositions do not provide sufficient adhesion to the skin, moisturize the skin, or provide firmness or a lasting effect. [Means for solving the problem]

[0005] The present inventors have found that by using a combination of a liquid oil and a specific solid oil with a polyoxyethylene alkyl ether or a polyoxyethylene alkenyl ether, it is possible to obtain an oil-in-water emulsion composition which has excellent adhesion to the skin, imparts a moist feeling and a firm feeling, and provides a firm feeling that lasts.

[0006] The present invention comprises the following components (A), (B), (C) and (D): (A) Oils that are liquid at 25°C (excluding (E) highly polymerized silicone oils), (B) Oils containing solid hydrocarbons at 25°C (excluding (E) highly polymerized silicone oils), (C) a polyoxyethylene alkyl ether or a polyoxyethylene alkenyl ether in which the carbon number of the alkyl or alkenyl group is 20 to 24 and the average number of moles of ethylene oxide added is 1.5 to 4; (D)Water The present invention relates to an oil-in-water emulsion composition comprising: Effect of the Invention

[0007] The oil-in-water emulsion composition of the present invention changes in feel (resistance) when it dries, adheres well to the skin when applied, and imparts a moist and firm feeling to the applied skin, with the firmness lasting. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0008] The component (A) used in the present invention is an oil that is liquid at 25°C. Component (A) does not include highly polymerized silicone oil, component (E) described below. The term "liquid" refers to a substance having fluidity, and includes substances having a melting point of less than 28°C. Examples of the oil agent of component (A) include hydrocarbon oils, ester oils, ether oils, and higher fatty acids.

[0009] More specifically, examples of the hydrocarbon oil include squalane, liquid paraffin, liquid isoparaffin, light liquid isoparaffin, heavy liquid isoparaffin, and α-olefin oligomers. The hydrocarbon oil preferably contains one or more selected from squalane, liquid paraffin, liquid isoparaffin, and light liquid isoparaffin, more preferably contains one or more selected from squalane, liquid paraffin, and liquid isoparaffin, even more preferably contains one or more selected from squalane and liquid isoparaffin, and even more preferably contains squalane.

[0010] Ester oils include monoester oils, diester oils, triester oils and tetraester oils. Examples of monoester oils include monoesters of aliphatic or aromatic monocarboxylic or dicarboxylic acids having 2 to 24 carbon atoms. Specific examples include cetyl 2-ethylhexanoate, cetyl octanoate, isononyl isononanoate, isotridecyl isononanoate, hexyl laurate, isopropyl myristate, octyldodecyl myristate, myristyl myristate, 2-hexyldecyl myristate, isopropyl palmitate, octyl palmitate, 2-hexyldecyl palmitate, butyl stearate, isocetyl stearate, isocetyl isostearate, decyl oleate, isodecyl benzoate, octyl methoxycinnamate, hexyldecyl dimethyloctanoate, cetyl lactate, myristyl lactate, lanolin acetate, 2-ethylhexyl succinate, 2-hexyldecyl adipate, and alkyl benzoates (C12 to C15). The monoester oil preferably contains one or more selected from isononyl isononanoate, isotridecyl isononanoate, and octyldodecyl myristate, and more preferably contains one or more selected from isotridecyl isononanoate and octyldodecyl myristate.

[0011] Examples of diester oils include diesters of dicarboxylic acids having 3 to 18 carbon atoms and difatty acid esters of polyhydric alcohols. Specific examples include propylene glycol dicaprylate, neopentyl glycol dicaprate, glycol distearate, propylene glycol diisostearate, glyceryl diisostearate, glyceryl monomyristate monoisostearate, glycerin di-2-heptylundecanoate, di-2-ethylhexyl succinate, diisopropyl sebacate, diisostearyl malate, ethylene glycol di-2-ethylhexanoate, diisobutyl adipate, di-2-heptylundecyl adipate, and di-2-ethylhexyl sebacate. The diester oil preferably contains one or more selected from propylene glycol dicaprylate and neopentyl glycol dicaprate, and more preferably contains neopentyl glycol dicaprate.

[0012] Triester oils include tri-fatty acid esters of trivalent or higher polyhydric alcohols, and specific examples thereof include glyceryl trimyristate, glyceryl triisopalmitate, glyceryl triisostearate, glyceryl tri-2-heptylundecanoate, trimethylolpropane triethylhexanoate, trimethylolpropane trioctanoate, tri(caprylic / capric)glyceryl, trioleate, glyceryl tri-2-ethylhexanoate, and glyceryl triisostearate, as well as vegetable oils such as olive oil, jojoba oil, macadamia nut oil, meadowfoam oil, castor oil, safflower oil, sunflower oil, avocado oil, canola oil, apricot kernel oil, rice germ oil, and rice bran oil. The triester oil preferably contains one or more selected from caprylic / capric triglyceride, glyceryl tri-2-ethylhexanoate, and vegetable oils, more preferably contains one or more selected from caprylic / capric triglyceride, glyceryl tri-2-ethylhexanoate, olive oil, jojoba oil, and macadamia nut oil, even more preferably contains one or more selected from caprylic / capric triglyceride, glyceryl tri-2-ethylhexanoate, and olive oil, and even more preferably contains glyceryl tri-2-ethylhexanoate.

[0013] Examples of tetraester oils include tetra fatty acid esters of polyhydric alcohols having 4 or more valences, and specific examples thereof include pentaerythritol tetra(behenic acid / benzoic acid / ethylhexanoic acid), pentaerythritol tetraethylhexanoate, pentaerythritol tetraoctanoate, and pentaerythritol tetra-2-ethylhexanoate. The ester oil preferably contains one or more selected from diester oils and triester oils, and more preferably contains triester oils.

[0014] The ether oils include dialkyl ethers, specifically, dihexyl ether, dicaprylyl ether, cetyl-1,3-dimethylbutyl ether, and the like.

[0015] Examples of higher fatty acids include oleic acid, isostearic acid, and undecylenic acid.

[0016] The oil agent of component (A) preferably contains one or more oils selected from hydrocarbon oils and ester oils, more preferably contains one or more oils selected from hydrocarbon oils, diester oils and triester oils, and even more preferably contains one or more oils selected from hydrocarbon oils and triester oils, from the viewpoints of improving the change in feel when the agent dries (resistance), improving the feeling of adhesion to the skin when it is absorbed, improving the moist feeling of the skin after application, improving the firmness, and improving the duration of the firmness.

[0017] Component (A) may be used alone or in combination with two or more kinds, and from the viewpoints of improving the change in feel (resistance) when drying, improving the adhesion to the skin when absorbed, improving the moist feeling of the skin after application, improving the firmness, and improving the duration of the firmness, the content is preferably 1 to 30 mass %, more preferably 5 to 25 mass %, and even more preferably 9 to 16 mass % of the total composition.

[0018] The component (B) used in the present invention is an oil agent that contains a hydrocarbon that is solid at 25°C. Component (B) does not include highly polymerized silicone oil, component (E) described below. The oil agent which is solid at 25° C. preferably has a melting point of 28° C. or higher, more preferably 30° C. or higher, even more preferably 32° C. or higher, and even more preferably 40° C. or higher. The melting point is preferably 155° C. or lower, more preferably 125° C. or lower, even more preferably 115° C. or lower, and even more preferably 105° C. or lower. In the present invention, the melting point is measured by the second method described in the Standards for Quasi-Drug Ingredients (2006), General Testing Methods, Melting Point Measurement Method.

[0019] Specific examples of the oil agent of component (B) include hydrocarbons such as solid paraffin (melting point: 50 to 70°C), microcrystalline wax (melting point: 54 to 102°C), ceresin (melting point: 61 to 95°C), ozokerite (melting point: 61 to 90°C), petrolatum (melting point: 38 to 60°C), polyethylene wax (melting point: 103 to 120°C), and Fischer-Tropsch wax (melting point: 108 to 120°C); carnauba wax (melting point: 80 to 86°C), beeswax (melting point: 64°C), candy wax (melting point: 80 to 86°C), and the like. Lila wax (melting point: 68-72°C), rice bran wax (melting point: 70-83°C), jojoba wax (melting point: 55°C), Japan wax (melting point: 55°C), jojoba butter (melting point: 46-54°C), lanolin (melting point: 37-43°C), hydrogenated jojoba oil (melting point: 68°C), hydrogenated castor oil (melting point: 84°C), hydrogenated palm oil (melting point: 65°C), hydrogenated coconut oil (melting point: 70°C), cetyl palmitate (melting point: 50°C), glyceryl eicosandioate behenate (melting point: 66°C), tristearin, tribe Ester oils such as henin, shea butter (melting point: 36-45°C), dimer dilinoleic acid (phytosteryl / isostearyl / cetyl / stearyl / behenyl) (melting point: 38°C), tri(caprylic / capric / myristic / stearic acid)glyceryl (melting point: 40°C), hydrogenated castor oil laurate (melting point: 51°C), hydrogenated castor oil isostearate (melting point: 47°C), hydrogenated castor oil monohydroxystearic acid (melting point: 55-63°C); batyl alcohol (melting point: 60-7 0°C), chimylic alcohol (melting point: 60.5-61.5°C), and other ether oils; higher alcohols such as cetostearyl alcohol (melting point: 51-54°C), stearyl alcohol (melting point: 58.0°C), and behenyl alcohol (melting point: 70.5°C), and other higher fatty acids such as palmitic acid (melting point: 63°C), stearic acid (melting point: 69°C), and other polyethylene glycol monostearate (melting point: 47-52°C), and cholesterol (melting point: 147-150°C), and the like.

[0020] Of the components (B), the hydrocarbon preferably contains one or more selected from solid paraffin, microcrystalline wax, and ceresin, more preferably contains one or more selected from microcrystalline wax and ceresin, and even more preferably contains microcrystalline wax. The oil agent of component (B) other than hydrocarbons preferably includes one or more selected from higher alcohols, higher fatty acids, polyethylene glycol monostearate, and cholesterol, and more preferably includes one or more selected from cetostearyl alcohol, stearic acid, polyethylene glycol monostearate, and cholesterol.

[0021] Component (B) contains a hydrocarbon that is solid at 25°C, and from the viewpoints of improving the change in feel (resistance) when drying, improving the feeling of adhesion to the skin when absorbed, improving the moist feeling of the skin after application, improving the firmness, and improving the duration of the firmness, the content of the hydrocarbon in the total composition is preferably 0.1 to 10 mass%, more preferably 0.3 to 7 mass%, and even more preferably 2 to 4.3 mass%. Furthermore, the mass ratio of component (B) to hydrocarbons (total amount of hydrocarbons) / (total amount of B) is preferably 0.03 to 3, more preferably 0.05 to 1, and even more preferably 0.25 to 0.5, from the viewpoints of improving the change in feel (resistance) when drying, improving the adhesion to the skin when absorbed, improving the moist feeling of the skin after application, improving the firmness, and improving the duration of the firmness.

[0022] Furthermore, as the component (B) other than hydrocarbons, from the viewpoints of improving the change in feel (resistance) when drying, improving the feeling of adhesion to the skin when it is absorbed, improving the moist feeling of the skin after application, improving the firmness, and improving the duration of the firmness, it is preferable to include at least one or two or more types selected from those having a melting point of 35°C or more and 155°C or less, and it is more preferable to include at least one or two or more types selected from those having a melting point of 50°C or more and 90°C or less.

[0023] Component (B) can be used alone or in combination of two or more types, and from the viewpoints of improving the change in feel (resistance) when drying, improving the adhesion to the skin when absorbed, improving the moist feeling of the skin after application, improving the firmness, and improving the duration of the firmness, the content is preferably 1 to 15 mass % of the total composition, more preferably 3 to 12 mass %, and even more preferably 6.5 to 8.8 mass %.

[0024] In the present invention, the mass ratio (A) / (B) of component (A) to component (B) is preferably 0.1 to 10, more preferably 0.5 to 8, even more preferably 1.1 to 6, and even more preferably 1.5 to 3, from the viewpoints of improving the change in feel (resistance) when drying, improving the adhesion to the skin when absorbed, improving the moist feeling of the skin after application, improving the firmness, and improving the sustained firmness.

[0025] The polyoxyethylene alkyl ether or polyoxyethylene alkenyl ether of component (C) has an alkyl or alkenyl group with 20-24 carbon atoms and an average added mole number of ethylene oxide of 1.5-4.

[0026] The alkyl or alkenyl group of component (C) may be linear or branched, and the structure is not limited, but linear or branched alkyl groups are preferred, and linear alkyl groups are more preferred. From the viewpoints of improving the change in feel (resistance) when drying, improving the adhesion to the skin when blended, improving the moist feeling of the skin after application, improving the firmness, and improving the duration of the firmness, the alkyl or alkenyl group has 20 to 24 carbon atoms, preferably 21 to 23 carbon atoms, and more preferably a behenyl group with 22 carbon atoms.

[0027] The average number of moles of ethylene oxide added in component (C) is 1.5 to 4, preferably 1.5 to 3, and more preferably 1.5 to 2.5, from the viewpoints of improving the change in feel when drying (resistance), improving the adhesion to the skin when blended, improving the moist feeling of the skin after application, improving the firmness, and improving the duration of the firmness. Generally available polyoxyethylene alkyl ethers or polyoxyethylene alkenyl ethers are mixtures in which the number of moles of ethylene oxide added is distributed over an extremely wide range centered on the desired degree of polymerization, but it is important in the present invention that the average number of moles added is within the above range.

[0028] Examples of component (C) include polyoxyethylene (2) arachyl ether, polyoxyethylene (3) arachyl ether, polyoxyethylene (4) arachyl ether, polyoxyethylene (2) behenyl ether, polyoxyethylene (3) behenyl ether, polyoxyethylene (4) behenyl ether, polyoxyethylene (2) carnavil ether, polyoxyethylene (3) carnavil ether, polyoxyethylene (4) carnavil ether, etc., with polyoxyethylene (2) behenyl ether, polyoxyethylene (3) behenyl ether, and polyoxyethylene (4) behenyl ether being preferred. Note that, as long as the average molar addition number of the polyoxyethylene alkyl ether used is within the above range, polyoxyethylene alkyl ethers other than these exemplified ones can also be used in combination.

[0029] Component (C) can be used alone or in combination of two or more types, and from the viewpoints of improving the change in feel (resistance) when drying, improving the adhesion to the skin when absorbed, improving the moist feeling of the skin after application, improving the firmness, and improving the duration of the firmness, the content is preferably 0.05 to 5 mass%, more preferably 0.07 to 4 mass%, and even more preferably 0.3 to 1.7 mass% of the total composition.

[0030] In the present invention, the mass ratio (A) / (C) of component (A) to component (C) is preferably 1 to 160, more preferably 8 to 140, and even more preferably 20 to 33, from the viewpoints of improving the change in feel (resistance) when drying, improving the adhesion to the skin when absorbed, improving the moist feeling of the skin after application, improving the firmness, and improving the duration of the firmness.

[0031] In the present invention, the mass ratio (B) / (C) of component (B) to component (C) is preferably 0.1 to 100, more preferably 1 to 50, and even more preferably 6 to 18, from the viewpoints of improving the change in feel (resistance) when drying, improving the adhesion to the skin when absorbed, improving the moist feeling of the skin after application, improving the firmness, and improving the duration of the firmness.

[0032] In the present invention, the content of water in component (D) is preferably 20 to 90 mass % of the total composition, more preferably 35 to 85 mass %, and even more preferably 40 to 75 mass %, from the viewpoints of improving the change in feel (resistance) upon drying and improving the stability of the oil-in-water emulsion composition.

[0033] The oil-in-water emulsion composition of the present invention may further contain (E) a highly polymerized silicone oil, which can provide a firming feeling that lasts longer. The highly polymerized silicone oil of component (E) is a linear, highly polymerized polymer whose main chain is a segment consisting of repeating -SiO- units, and the concept encompasses both polysiloxanes in which all of the side chains and terminals are methyl groups, and polysiloxanes in which part of the side chain is phenyl groups or hydrogen. Furthermore, the highly polymerized silicone oil of component (E) is not included in components (A) and (B). The highly polymerized silicone oil of component (E) is preferably a highly polymerized linear silicone oil that is a non-volatile liquid at 25° C. under 1 atmospheric pressure.

[0034] The kinetic viscosity of the highly polymerized silicone oil at 25°C is 1000mm 2 / s or more 100000mm 2 / s or less, and 5000 mm 2 / s or more 80000mm 2 / s or less is preferable, and 10000mm 2 / s or more 50000mm 2 / s or less is even more preferable.

[0035] The kinetic viscosity of highly polymerized silicone oil at 25°C is determined by measuring the time it takes for a certain volume of liquid to flow through the capillary of the viscometer at 25°C and one atmospheric pressure, and then calculating the viscosity from this flow time and the viscometer constant using the following equation. Ubbelohde or Cannon-Fenske models are commonly used for capillary viscometers. <How to calculate kinetic viscosity> Kinematic viscosity (mm 2 / s) = Outflow time (seconds) x viscometer constant When two or more types of highly polymerized silicone oils are used, it is sufficient that the kinetic viscosity of the mixture is within the above range.

[0036] Examples of highly polymerized silicone oils include dimethicone, methylphenylpolysiloxane, methylhydrogenpolysiloxane, etc. Among these, dimethicone is preferred from the viewpoints of improving firmness and improving the duration of firmness. As a commercially available product of highly polymerized dimethicone, there is KF-96A-5000CS (dynamic viscosity at 25°C: 5000mm 2 / s), KF-96A-10000CS (Kinematic viscosity at 25°C: 10000mm 2 / s), KF-96H-30000CS (Kinematic viscosity at 25°C: 30000mm 2 Examples of commercially available methylphenylpolysiloxanes include DOWSIL FZ-209 (manufactured by Dow Corning Toray Co., Ltd.).

[0037] Component (E) can be used alone or in combination of two or more kinds. From the viewpoint of improving the firmness and improving the duration of the firmness, the content is preferably 0.1 to 7 mass%, more preferably 0.1 to 5 mass%, and even more preferably 0.3 to 3 mass% of the total composition.

[0038] In the present invention, the mass ratio (A) / (E) of component (A) to component (E) is preferably 1 to 20, more preferably 2 to 10, even more preferably 3 to 8, and even more preferably 4.5 to 7, from the viewpoints of improving firmness, improving the duration of the firmness, and reducing stickiness of the skin after application.

[0039] In the present invention, the mass ratio (E) / (C) of component (E) to component (C) is preferably 0.1 to 100, more preferably 0.5 to 50, and even more preferably 2.5 to 12, from the viewpoints of improving firmness, improving the duration of the firmness, and reducing stickiness of the skin after application.

[0040] The oil-in-water emulsion composition of the present invention may contain, in addition to the above-mentioned components, components that are usually used in cosmetics, such as oil components other than those mentioned above, surfactants other than those mentioned above, water-soluble polymers, antioxidants, fragrances, preservatives, pH adjusters, blood circulation promoters, cooling agents, antiperspirants, germicides, skin activators, moisturizers, cooling agents, colorants, etc.

[0041] The oil-in-water emulsion composition of the present invention can be produced according to a conventional method. For example, the oil-in-water emulsion composition can be obtained by heating and mixing components (A), (B), (C), (D) and other components, followed by cooling.

[0042] The oil-in-water emulsion composition of the present invention is suitable as an oil-in-water emulsion cosmetic, and can be applied as makeup cosmetics such as a makeup base, foundation, concealer, blusher, eye shadow, mascara, eyeliner, eyebrow, overcoat agent, lipstick, etc.; UV protection cosmetics such as a sunscreen lotion, a sunscreen cream, etc.; and skin care cosmetics such as a skin care lotion, a skin care cream, a BB cream, a beauty serum, etc. EXAMPLES

[0043] Examples 1 to 9, Comparative Examples 1 to 2 Oil-in-water emulsion compositions having the compositions shown in Table 1 were prepared and evaluated for changes in feel when drying, adhesion (stop feeling) when blending, moist feeling after blending, coating feeling (tight feeling), and duration of coating feeling. The results are also shown in Table 1.

[0044] (Manufacturing method) Components (A), (B), (C), (D) and other components were mixed by heating at 80°C or higher. After confirming that they were dissolved, the mixture was treated with a tabletop homogenizer at 5,000 rpm for 5 minutes and then cooled to 25°C to obtain an oil-in-water emulsion composition.

[0045] (Evaluation method) (1) Changes in sensation when dry: Three expert evaluators applied 0.1 g of each oil-in-water emulsion composition to the back of the hand, massaged the skin, and evaluated the change in feel of the oil-in-water emulsion composition as it dried, according to the following criteria. The results were shown as the total score of the three expert evaluators. The change in feel upon drying refers to the increase in resistance, which differs from the initial spreadability, until the oil-in-water emulsion composition becomes absorbed into the skin. 5. Very high resistance. 4;High resistance. 3: Resistance is somewhat high 2;There is not much resistance. 1;There is no sense of resistance.

[0046] (2) Adhesion when blending in (stopping sensation): Three expert evaluators applied 0.1 g of each oil-in-water emulsion composition to the back of the hand, massaged it, and evaluated the adhesion when touching the skin as it absorbed. The results were shown as the total score of the three expert evaluators. The feeling of close contact when applied refers to the feeling that when the oil-in-water emulsion composition is applied to the skin, the skin and the oil-in-water emulsion composition come into close contact and the finger stops. 5. Very strong adhesion. 4;High adhesion. 3. Slightly tight adhesion 2: It doesn't feel very tight. 1: No sense of adhesion.

[0047] (3) Moist feeling after application: Three expert evaluators applied 0.1 g of each oil-in-water emulsion composition to the back of the hand, massaged it, and evaluated the moist feeling by touching the skin immediately after the oil-in-water emulsion composition was absorbed into the skin. The results were shown as the total score of the three expert evaluators. 5: Feels very moist. 4;It feels moist. 3: Feels slightly moist. 2;It doesn't feel very moisturizing. 1: It doesn't feel moisturizing.

[0048] (4) Firmness (firmness): Three expert evaluators applied 0.1 g of each oil-in-water emulsion composition to the back of the hand, massaged it, and then touched the skin after it had absorbed into the skin to evaluate the coating feel. The results were shown as the total score given by the three expert evaluators. The term "film feel" refers to the firmness of the film of the oil-in-water emulsion composition that remains evenly spread on the skin when the skin is touched with a finger after application. 5: Very strong coating sensation. 4.High coating sensation. 3: Slightly more coating 2: Not much of a coating feeling. 1: No coating.

[0049] (5) Duration of the coating sensation: Three expert evaluators applied 0.1 g of each oil-in-water emulsion composition to the back of the hand, massaged it, and then touched the skin immediately after and one hour later to perform a sensory evaluation of the duration of the coating sensation according to the following criteria. The results were shown as the total score given by the three expert evaluators. 5: The coating sensation lasts for a long time. 4. The coating sensation lasts. 3: The coating sensation lasts for some time. 2: The coating feeling doesn't last very long. 1: The coating does not last.

[0050] [Table 1]

[0051] *1: Sugar squalane: NIKKOL Sugar Squalane (manufactured by Nippon Surfactant Industries Co., Ltd.), *2: Glyceryl tri-2-ethylhexanoate: TIO (manufactured by Nisshin Oillio Group, Ltd.), *3: Microcrystalline wax; Multiwax W-445 S (manufactured by Sonneborn, LLC), *4: Cetostearyl alcohol; NAA-48 Vinasol (manufactured by NOF Corporation), *5: Stearic acid; Stearic acid (POFAC 1855) (manufactured by SOUTHERN ACIDS INDUSTRIES SDN. BHD.), *6: Polyethylene glycol monostearate; NIKKOL MYS-2V (manufactured by Nippon Surfactant Industry Co., Ltd.), *7: Highly polymerized methylpolysiloxane; KF-96H-30000CS (manufactured by Shin-Etsu Chemical Co., Ltd.)

[0052] The oil-in-water emulsion compositions having the composition shown below were produced in the same manner as in Examples 1 to 9, and have a change in feel (resistance) when they dry, excellent adhesion to the skin when applied, and provide a moist and firm feeling to the skin on which they are applied, with the firmness lasting.

[0053] Prescription Example 1 (Component) Content (mass%) 1. Sugar Squalane 4.0 2. Neopentyl glycol dicaprate 2.0 3. Glyceryl tri-2-ethylhexanoate 3.0 4. Olive oil 1.0 5. Lipophilic glyceryl monostearate 2.0 6. Phytosteryl Macadamiate 0.1 7. Self-emulsifying glyceryl monostearate 0.5 8. Hydrogenated castor oil isostearate 1.5 9. Microcrystalline Wax 3.0 10. Beeswax 0.5 11. Cetostearyl alcohol 1.0 12. Behenyl alcohol 1.5 13. Stearic acid 1.0 14. Isostearic acid 0.5 15. Cholesterol 0.4 16. Polyethylene glycol monostearate 1.0 17. Polyoxyethylene behenyl ether (2E.O.) 0.5 18. Highly polymerized methylpolysiloxane 2.0 19. Methylpolysiloxane 1.0 20. Maltitol Liquid 6.0 21. Sodium N-stearoyl-L-glutamate 1.0 22. Dipotassium glycyrrhizinate 0.2 23. Disodium edetate 0.05 24. Phenoxyethanol 0.5 25. Concentrated glycerin 3.0 26. Xanthan gum 0.1 27.Polyacrylic acid amide-isoparaffin mixture 1.0 28. Sodium hyaluronate 0.01 29. Chlorphenesin 0.2 30. N-Methyl-L-serine 0.06 31. Dipropylene glycol 5.0 32. Sanguinea oleifera extract 0.1 33. Alcaligenes polysaccharides 0.1 34. Refined water residue Total 100

Claims

1. The following components (A), (B), (C), and (D): (A) Liquid oil at 25°C (excluding (E) high polymer silicone oil), (B) Oils containing hydrocarbons that are solid at 25°C (excluding (E) high polymer silicone oils), (C) Polyoxyethylene alkyl ether or polyoxyethylene alkenyl ether having 20 to 24 carbon atoms in the alkyl or alkenyl group and an average number of moles of ethylene oxide added of 1.5 to 4. (D) Water An oil-in-water emulsion composition containing the following:

2. The oil-in-water emulsion composition according to claim 1, wherein the mass ratio (A) / (C) of component (A) to component (C) is 1 to 160.

3. The oil-in-water emulsion composition according to claim 1 or 2, wherein the mass ratio (A) / (B) of component (A) to component (B) is 0.1 to 10.

4. Furthermore, the oil-in-water emulsion composition according to claim 1 or 2, further comprising (E) a highly polymerized silicone oil.

5. The oil-in-water emulsion composition according to claim 4, wherein the mass ratio (A) / (E) of component (A) to component (E) is 1 to 20.