WO2023042687A1 - 水中油型洗浄料組成物 - Google Patents

水中油型洗浄料組成物 Download PDF

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WO2023042687A1
WO2023042687A1 PCT/JP2022/033118 JP2022033118W WO2023042687A1 WO 2023042687 A1 WO2023042687 A1 WO 2023042687A1 JP 2022033118 W JP2022033118 W JP 2022033118W WO 2023042687 A1 WO2023042687 A1 WO 2023042687A1
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Prior art keywords
mass
nonionic surfactant
oil
carbon atoms
acid
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English (en)
French (fr)
Japanese (ja)
Inventor
令二 宮原
加奈子 野口
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Shiseido Co Ltd
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Shiseido Co Ltd
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Priority to CN202280056057.6A priority Critical patent/CN117813076A/zh
Priority to JP2023548407A priority patent/JPWO2023042687A1/ja
Publication of WO2023042687A1 publication Critical patent/WO2023042687A1/ja
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/04—Dispersions; Emulsions
    • A61K8/06—Emulsions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/39—Derivatives containing from 2 to 10 oxyalkylene groups
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
    • A61K8/86—Polyethers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
    • A61Q1/14—Preparations for removing make-up
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • A61Q19/10—Washing or bathing preparations

Definitions

  • the present disclosure relates to an oil-in-water detergent composition.
  • lamellar gel containing lamellar gel ( ⁇ -gel) formed by higher fatty alcohol or higher fatty acid and hydrophilic surfactant is used for the purpose of maintaining emulsification stability of topical skin preparations such as cosmetics, quasi-drugs, and pharmaceuticals.
  • Skin topical preparations have been used (see, for example, Patent Document 1 and Non-Patent Document 1).
  • Patent Document 1 discloses (A) 1 or 2 or more higher aliphatic alcohols having 16 or more carbon atoms and/or 25 to 50% by mass of higher fatty acids, and (B) polyoxyethylene represented by a specific formula 40 to 70% by mass of a sterol ether and (C) 5 to 20% by mass of a polyoxyethylene dialkyl ester and/or ether represented by a specific formula, for forming an ⁇ -gel formed by adding water A composition is disclosed.
  • Non-Patent Document 2 indicates that a low-viscosity, low-molecular-weight oil is suitable for the oil used in cleansing oil.
  • Non-Patent Document 2 low-viscosity, low-molecular-weight oily components are suitable for cleansing agents for cleansing makeup cosmetics.
  • low-molecular-weight oily components easily dissolve surfactants. Therefore, in an oil-in-water cleanser, when a low-molecular-weight oily component is emulsified, there is a problem of stability in that the emulsified particles coalesce over time.
  • a lamellar gel-containing composition using a lamellar gel ( ⁇ -gel) formed from a higher fatty alcohol or higher fatty acid and a hydrophilic surfactant as described in Patent Document 1 is proposed.
  • a lamellar gel described in Patent Document 1 when the lamellar gel described in Patent Document 1 is applied to the skin, it gives a slippery feeling during application, and the user cannot obtain a refreshing feeling.
  • such a lamellar gel-containing composition has a problem that higher alcohols and higher fatty acids tend to precipitate as crystals over time (see, for example, Non-Patent Document 1).
  • an oil-in-water detergent composition that can stably emulsify a low-molecular-weight oily component, has high stability, and has a good feeling of use.
  • an oil-in-water detergent composition comprising a lamellar gel phase, 3% to 80% by mass of an oil phase, and an aqueous phase.
  • the lamellar gel phase contains a first nonionic surfactant represented by the formula shown in Chemical Formula 1 below and a second nonionic surfactant with an HLB of 7 to 15.
  • R 1 is a straight-chain acyl group or straight-chain alkyl group having 16 to 24 carbon atoms.
  • R 2 is an alkylene group having 2 to 4 carbon atoms.
  • R 3 is a straight-chain acyl group or straight-chain alkyl group having 16 to 24 carbon atoms.
  • k represents an integer of 4 to 15;
  • the oil-in-water detergent composition of the present disclosure can stably emulsify even low-molecular-weight oily components. As a result, the oil-in-water detergent composition of the present disclosure has high detergency.
  • the oil-in-water detergent composition of the present disclosure suppresses crystallization of the ingredients and has high stability over time.
  • the user can obtain a good feeling after use.
  • a small-angle and wide-angle X-ray scattering chart and a differential calorimetry chart in Test Example 1 A small-angle and wide-angle X-ray scattering chart and a differential calorimetry chart in Test Example 2.
  • FIG. A photograph of an oil component solubility test in Test Example 5. The result of the usability test in Test Example 7. The result of the usability test in Test Example 7.
  • the first nonionic surfactant and the second nonionic surfactant constitute at least part of the lamellar gel phase.
  • the oil phase is emulsified with a lamellar gel phase.
  • the first nonionic surfactant is 0.1% by mass to 10% by mass with respect to the mass of the cleaning composition.
  • the second nonionic surfactant is 0.5 parts by mass to 6 parts by mass with respect to 1 part by mass of the first nonionic surfactant.
  • the first nonionic surfactant is polyethylene glycol distearate in which k is 4 to 8, represented by Chemical Formula 1.
  • the second nonionic surfactant is at least one selected from the group of compounds represented by formulas 2 to 5 below.
  • R 4 is a straight-chain acyl group or straight-chain alkyl group having 16 to 24 carbon atoms.
  • R 5 is an alkylene group having 2 to 4 carbon atoms.
  • l represents an integer of 5 to 20;
  • R 6 , R 10 and R 14 are each an alkylene group having 2 to 4 carbon atoms.
  • R 7 , R 11 and R 15 are each an alkylene group having 8 to 12 carbon atoms.
  • R 8 , R 12 and R 16 are each alkyl groups having 4 to 8 carbon atoms.
  • R 9 , R 13 and R 17 are each a polymer of 12-hydroxystearic acid or a polymer of alkylene polyol.
  • m, n and o are natural numbers respectively. The sum of m, n and o is 10-60.
  • R 18 is a straight-chain acyl group or straight-chain alkyl group having 16 to 24 carbon atoms.
  • R 19 and R 20 are each an alkylene group having 2 to 4 carbon atoms.
  • p and q are natural numbers respectively. The sum of p and q is 5-20.
  • R 21 , R 22 , R 23 and R 25 are each an alkylene group having 2 to 4 carbon atoms.
  • r, s, t and u are each natural numbers. The sum of r, s, t and u is 5-30.
  • R 24 is a straight-chain acyl group or straight-chain alkyl group having 16 to 24 carbon atoms.
  • the lamellar gel phase has a higher eutectic point than the lamellar gel phase formed solely by any one of the second nonionic surfactants represented by formulas 2 to 5. and melting enthalpy.
  • the HLB weighted average of the first nonionic surfactant and the second nonionic surfactant is 6-10.
  • the oil phase contains 50% by mass or more of the oily component with a molecular weight of 400 or less relative to the mass of the oil phase.
  • the lamellar gel phase further contains water.
  • the content of the higher fatty alcohol or higher fatty acid is 1% by mass or less with respect to the mass of the cleaning composition.
  • PEG is an abbreviation for polyethylene glycol
  • POE for polyoxyethylene
  • POP for polyoxypropylene. It represents the average number of added moles.
  • the term “substantial amount” refers to the amount in which the addition of the compound can produce an effect.
  • An oil-in-water cleaning composition according to the first embodiment of the present disclosure contains a lamellar gel phase, an oil phase, and an aqueous phase.
  • the lamellar gel phase contains a first nonionic surfactant and a second nonionic surfactant.
  • Nonionic surfactants constitute at least part of the lamellar gel phase.
  • the lamellar gel phase can further contain water.
  • the "lamellar gel phase” refers to a gel-like substance formed by an aggregate consisting of lamellar bilayer membranes formed by a hydrophilic surfactant in the presence of water.
  • a lamellar gel is a gel that is an aggregate formed in water by a higher aliphatic alcohol and a hydrophilic surfactant and has an ⁇ -type structure (Shoji Fukushima, "Physical Chemistry of Cetyl Alcohol", Fragrance Journal). is called
  • the lamellar gel-containing composition of the present disclosure includes a first nonionic surfactant believed to constitute at least a portion of the lamellar gel phase.
  • the first nonionic surfactant is preferably a nonionic surfactant having hydrophobic portions on both sides of the hydrophilic portion.
  • the first nonionic surfactant can be a nonionic surfactant having the structure shown in Formula 6 below.
  • R 1 is a straight-chain acyl group or straight-chain alkyl group having 16 to 24 carbon atoms.
  • R 2 is an alkylene group having 2 to 4 carbon atoms.
  • R 3 is a straight-chain acyl group or straight-chain alkyl group having 16 to 24 carbon atoms.
  • k is an integer from 4 to 15;
  • the first nonionic surfactant examples include polyoxyethylene (4 mol) distearic acid (e.g., Emalex 200DIS manufactured by Nippon Emulsion Co., Ltd.), polyoxyethylene (6 mol) distearic acid (e.g., Nippon Emulsion Co., Ltd.) Emalex 300DIS manufactured by Nippon Emulsion Co., Ltd.), polyoxyethylene (8 mol) distearic acid (e.g. Emalex 400DIS manufactured by Nippon Emulsion Co., Ltd.), polyoxyethylene (12 mol) distearic acid (e.g.
  • polyoxyethylene (4 mol) distearic acid e.g., Emalex 200DIS manufactured by Nippon Emulsion Co., Ltd.
  • polyoxyethylene (6 mol) distearic acid e.g., Nippon Emulsion Co., Ltd.
  • Emalex 300DIS manufactured by Nippon Emulsion Co., Ltd.
  • polyoxyethylene (8 mol) distearic acid e
  • Emalex 600DIS manufactured by Nippon Emulsion Co., Ltd. stearic acid Steareth-4 (e.g., Nippon Emulsion Co., Ltd., Emalex SWS-4), steareth-6 (e.g., Nippon Emulsion Co., Ltd., Emalex SWS-6), steareth-9 (e.g., Japan Emulsion Co., Ltd., Emalex SWS-9), polyoxyethylene (8 mol) dibehenyl ether and the like.
  • the bonding pattern between the polyoxyethylene chain and the alkyl group may be ester, ether, or both.
  • the content of the first nonionic surfactant is preferably 0.05% by mass or more with respect to the mass of the composition.
  • the first nonionic surfactant is 0.1% by mass or more, 0.15% by mass or more, 0.2% by mass or more, 0.25% by mass or more, 0.3% by mass or more, 0.5% by mass % or more, 1 mass % or more, 2 mass % or more, 5 mass % or more, or 8 mass % or more. If the content of the first nonionic surfactant is less than 0.05% by mass, it becomes difficult to form a stable gel with low molecular weight oily components.
  • the content of the first nonionic surfactant is preferably 10% by mass or less with respect to the mass of the composition.
  • the first nonionic surfactant is 8% by mass or less, 5% by mass or less, 3% by mass or less, 2.5% by mass or less, 2% by mass or less, 1.5% by mass or less, 1% by mass or less, Alternatively, it can be 0.5% by mass or less.
  • the content of the first surfactant exceeds 10% by mass, the viscosity becomes extremely high and the feeling of use becomes poor.
  • the second nonionic surfactant is believed to constitute at least part of the lamellar gel phase together with the first nonionic surfactant.
  • the second nonionic surfactant has an HLB of 7 or greater.
  • the second nonionic surfactant has an HLB of 15 or less.
  • the second nonionic surfactant can be at least one nonionic surfactant selected from the group of compounds represented by formulas 7 to 10 below.
  • the second nonionic surfactant may be a combination of multiple types.
  • R 4 is a straight-chain acyl group or straight-chain alkyl group having 16 to 24 carbon atoms.
  • R 5 is an alkylene group having 2 to 4 carbon atoms.
  • l is an integer from 5 to 20;
  • Examples of the second nonionic surfactant shown in Chemical formula 7 include polyoxyethylene (20 mol) behenyl ether (eg, Nikko Chemicals Co., Ltd., Nikkol BB-20), polyoxyethylene (10 mol) stearyl Ether (eg, Emalex 610, manufactured by Nippon Emulsion Co., Ltd.), polyoxyethylene (7 mol) cetyl ether (eg, Emalex 107, manufactured by Nippon Emulsion Co., Ltd.), and the like.
  • polyoxyethylene (20 mol) behenyl ether eg, Nikko Chemicals Co., Ltd., Nikkol BB-20
  • polyoxyethylene (10 mol) stearyl Ether eg, Emalex 610, manufactured by Nippon Emulsion Co., Ltd.
  • polyoxyethylene (7 mol) cetyl ether eg, Emalex 107, manufactured by Nippon Emulsion Co., Ltd.
  • R 6 , R 10 and R 14 are each an alkylene group having 2 to 4 carbon atoms.
  • R 7 , R 11 and R 15 are each an alkylene group having 8 to 12 carbon atoms.
  • R 8 , R 12 and R 16 are each alkyl groups having 4 to 8 carbon atoms.
  • R 9 , R 13 and R 17 are each a polymer of 12-hydroxystearic acid or a polymer of alkylene polyol.
  • the degree of polymerization of the polymer of 12-hydroxystearic acid or the polymer of alkylene polyol can be, for example, 1-3.
  • m, n and o are natural numbers respectively. The sum of m, n and o is 10-60.
  • Examples of the second nonionic surfactant shown in Chemical formula 8 include polyoxyethylene (20 mol) hydrogenated castor oil fatty acid glyceryl (for example, Nikkol HCO-20 manufactured by Nikko Chemicals Co., Ltd.), polyoxyethylene ( 60 mol) hydrogenated castor oil fatty acid glyceryl (eg, Nikko Chemicals Co., Ltd., Nikkol HCO-60) and the like.
  • R 18 is a straight-chain acyl group or straight-chain alkyl group having 16 to 24 carbon atoms.
  • R 19 and R 20 are each an alkylene group having 2 to 4 carbon atoms.
  • p and q are natural numbers respectively. The sum of p and q is 5-20.
  • Examples of the second nonionic surfactant shown in Chemical formula 9 include polyoxyethylene monostearate (5 mol) glyceryl monostearate (e.g., Emalex GM-5 manufactured by Nippon Emulsion Co., Ltd.), polyoxyethylene monostearate (10 mol) glyceryl (eg, Emalex GM-10 manufactured by Nippon Emulsion Co., Ltd.) and the like.
  • R 21 , R 22 , R 23 and R 25 are each an alkylene group having 2 to 4 carbon atoms.
  • r, s, t and u are each natural numbers. The sum of r, s, t and u is 5-30.
  • R 24 is a straight-chain acyl group or straight-chain alkyl group having 16 to 24 carbon atoms.
  • Examples of the second nonionic surfactant shown in Chemical formula 10 include polyoxyethylene monostearate (20 mol) sorbitan (for example, Nikko Chemicals Co., Ltd., Nikkol TS-10V) and the like.
  • the content of the second nonionic surfactant is preferably 0.05% by mass or more with respect to the mass of the composition.
  • the second nonionic surfactant is 0.1% by mass or more, 0.15% by mass or more, 0.2% by mass or more, 0.25% by mass or more, 0.3% by mass or more, 0.5% by mass % or more, 1 mass % or more, 2 mass % or more, 5 mass % or more, or 8 mass % or more. If the content of the second nonionic surfactant is less than 0.05% by mass, it becomes difficult to form a lamellar gel.
  • the content of the second nonionic surfactant is preferably 10% by mass or less with respect to the mass of the composition.
  • the second nonionic surfactant is 8% by mass or less, 5% by mass or less, 3% by mass or less, 2.5% by mass or less, 2% by mass or less, 1.5% by mass or less, 1% by mass or less, Alternatively, it can be 0.5% by mass or less.
  • the mass ratio of the first nonionic surfactant and the second nonionic surfactant is that the second nonionic surfactant per 1 part by mass of the first nonionic surfactant is It is preferable in it being 0.2 mass part or more.
  • the second nonionic surfactant is 0.5 parts by mass or more, 1 part by mass or more, 1.5 parts by mass or more, 2 parts by mass or more with respect to 1 part by mass of the first nonionic surfactant , 2.5 parts by mass or more, or 3 parts by mass or more.
  • the mass ratio of the first nonionic surfactant and the second nonionic surfactant is that the second nonionic surfactant per 1 part by mass of the first nonionic surfactant is It is preferable in it being 6 mass parts or less.
  • the second nonionic surfactant should be 5 parts by mass or less, 4 parts by mass or less, 3 parts by mass or less, or 2 parts by mass or less per 1 part by mass of the first nonionic surfactant. can be done. If the amount of the second nonionic surfactant exceeds 6 parts by mass with respect to 1 part by mass of the first nonionic surfactant, it becomes difficult to form a highly stable lamellar gel with respect to polar oils.
  • the total amount of the first nonionic surfactant and the second nonionic surfactant is preferably 15% by mass or less with respect to the mass of the composition.
  • the total amount of the first nonionic surfactant and the second nonionic surfactant is 12% by mass or less, 10% by mass or less, 8% by mass or less, 6% by mass or less, relative to the mass of the composition. , 4% by weight or less, 2% by weight or less, or 1.5% by weight or less.
  • the HLB weighted average of the first nonionic surfactant and the second nonionic surfactant can be 6 or more, 7 or more, 8 or more, or 9 or more.
  • the HLB weighted average of the first nonionic surfactant and the second nonionic surfactant can be 11 or less, 10 or less, 9 or less, or 8 or less.
  • the HLB weighted average can be calculated from the mass ratio of the first nonionic surfactant and the second nonionic surfactant.
  • the first nonionic surfactant has an HLB of 6
  • the second nonionic surfactant has an HLB of 12
  • the first nonionic surfactant and the second nonionic The HLB weighted average is 10 when the weight ratio of the surfactants is 1:2.
  • the oil-in-water cleaning composition of the present disclosure can further contain water.
  • water water used in cosmetics, quasi-drugs, etc. can be used, and for example, purified water, ion-exchanged water, tap water, etc. can be used.
  • the water content is 10% by mass or more, 15% by mass or more, 20% by mass or more, 25% by mass or more, 30% by mass or more, 35% by mass or more, or 40% by mass or more with respect to the mass of the composition. can do.
  • the content of water is 90% by mass or less, 80% by mass or less, 70% by mass or less, 60% by mass or less, 50% by mass or less, 40% by mass or less, 30% by mass or less, 25% by mass or less, based on the mass of the composition. % by mass or less, or 20% by mass or less.
  • the water content here includes not only the water in the aqueous phase but also the water contained in the lamellar gel phase.
  • Oil phase The oil phase is emulsified in the lamellar gel phase.
  • the oil phase is preferably liquid at 25° C. atmospheric pressure. Emulsification stability can be enhanced by emulsifying the oil phase with the lamellar gel phase.
  • the average particle size of the oil phase is preferably 0.5 ⁇ m or more.
  • the average particle size of the oil phase can be, for example, 1 ⁇ m or more.
  • the average particle size of the oil phase is preferably 20 ⁇ m or less.
  • the average particle size of the oil phase can be, for example, 15 ⁇ m or less, 10 ⁇ m or less, or 5 ⁇ m or less.
  • the oil phase preferably contains an oily component with a molecular weight of 400 or less.
  • an oily component having a molecular weight of 400 or less it is possible to enhance the detergency for oily substances to be washed such as make-up.
  • Oily components having a molecular weight of 400 or less include, for example, tripropylene glycol dipivalate, isodecane, isononyl isononanoate, cetyl ethylhexanoate, ethyl isostearate, isobutyl isostearate, isodecyl neopentanoate, octyldodecyl neopentanoate, myristyl neopentanoate, and At least one selected from the group consisting of isostearyl neopentanoate can be mentioned.
  • the oily component with a molecular weight of 400 or less is, for example, 50% by mass or more, 60% by mass or more, 70% by mass or more, 80% by mass or more, 90% by mass or more, or 100% by mass with respect to the mass of the oil phase. can be done.
  • the oil phase is not particularly limited, and for example, liquid oils, solid oils, waxes, hydrocarbon oils, higher fatty acids, higher alcohols, synthetic ester oils, silicone oils, etc. can be appropriately blended.
  • liquid oils examples include avocado oil, camellia oil, turtle oil, macadamia nut oil, corn oil, mink oil, olive oil, rapeseed oil, egg yolk oil, sesame oil, persic oil, wheat germ oil, sasanqua oil, castor oil, and linseed oil. , safflower oil, cottonseed oil, perilla oil, soybean oil, peanut oil, tea seed oil, kaya oil, rice bran oil, sinagiri oil, Japanese paulownia oil, jojoba oil, germ oil, triglycerin, and the like.
  • solid fats and oils examples include cacao butter, coconut oil, horse fat, hydrogenated coconut oil, palm oil, beef tallow, mutton tallow, hydrogenated beef tallow, palm kernel oil, lard, beef bone fat, Japanese wax kernel oil, hydrogenated oil, beef leg fat, Japanese wax, hydrogenated castor oil and the like.
  • waxes examples include beeswax, candelilla wax, cotton wax, carnauba wax, bayberry wax, wart wax, whale wax, montan wax, bran wax, lanolin, kapok wax, lanolin acetate, liquid lanolin, sugarcane wax, isopropyl lanolin fatty acid, hexyl laurate, and reduced lanolin.
  • jojoba wax hard lanolin, shellac wax
  • POE lanolin alcohol ether POE lanolin alcohol acetate
  • POE cholesterol ether lanolin fatty acid polyethylene glycol
  • POE hydrogenated lanolin alcohol ether examples include beeswax, candelilla wax, cotton wax, carnauba wax, bayberry wax, wart wax, whale wax, montan wax, bran wax, lanolin, kapok wax, lanolin acetate, liquid lanolin, sugarcane wax, isopropyl lanolin fatty acid, hexyl laurate, and
  • hydrocarbon oils examples include liquid paraffin, ozokerite, squalane, pristane, paraffin, ceresin, squalene, petrolatum, and microcrystalline wax.
  • higher fatty acids examples include lauric acid, myristic acid, palmitic acid, stearic acid, behenic acid, oleic acid, undecylenic acid, toric acid, isostearic acid, linoleic acid, linoleic acid, eicosapentaenoic acid (EPA), docosahexaenoic acid ( DHA) and the like.
  • Higher alcohols include, for example, straight-chain alcohols (e.g., lauryl alcohol, cetyl alcohol, stearyl alcohol, behenyl alcohol, myristyl alcohol, oleyl alcohol, cetostearyl alcohol, etc.); branched-chain alcohols (e.g., monostearyl glycerin ether (bacyl alcohol ), 2-decyltetradecinol, lanolin alcohol, cholesterol, phytosterol, hexyldodecanol, isostearyl alcohol, octyldodecanol, etc.) can be used.
  • straight-chain alcohols e.g., lauryl alcohol, cetyl alcohol, stearyl alcohol, behenyl alcohol, myristyl alcohol, oleyl alcohol, cetostearyl alcohol, etc.
  • branched-chain alcohols e.g., monostearyl glycerin ether (bacyl alcohol ), 2-decyltetrade
  • Synthetic ester oils include isopropyl myristate, cetyl octanoate, octyldodecyl myristate, isopropyl palmitate, butyl stearate, hexyl laurate, myristyl myristate, decyl oleate, hexyldecyl dimethyloctanoate, cetyl lactate, and myristyl lactate.
  • silicone oils include dimethylpolysiloxane, methylhydrogenpolysiloxane, methylphenylpolysiloxane, stearoxymethylpolysiloxane, polyether-modified organopolysiloxane, fluoroalkyl/polyoxyalkylene co-modified organopolysiloxane, and alkyl-modified organopolysiloxane.
  • terminal-modified organopolysiloxane terminal-modified organopolysiloxane, fluorine-modified organopolysiloxane, amino-modified organopolysiloxane, silicone gel, acrylic silicone, trimethylsiloxysilicate, silicone RTV rubber, and silicone compounds such as cyclopentasiloxane.
  • the content of the oil phase is preferably 3% by mass or more with respect to the mass of the oil-in-water cleaning composition.
  • the oil phase is, for example, 5% by mass or more, 10% by mass or more, 15% by mass or more, 20% by mass or more, 25% by mass or more, 30% by mass or more, 35% by mass or more, 40% by mass or more, 45% by mass or more , 50% by mass or more, 55% by mass or more, or 60% by mass or more. If the oil phase is less than 5% by mass, the detergency will deteriorate.
  • the content of the oil phase is preferably 80% by mass or less with respect to the mass of the oil-in-water cleaning composition.
  • the oil phase can be, for example, 70% by mass or less, 60% by mass or less, 55% by mass or less, 50% by mass or less, 45% by mass or less, or 40% by mass or less. If the oil phase exceeds 80% by mass, the emulsification stability will decrease.
  • the lamellar gel phase can be constructed only with nonionic surfactants.
  • the content of the higher fatty alcohol or higher fatty acid having 16 or more carbon atoms that constitutes the lamellar gel phase is preferably 1% by mass or less relative to the mass of the oil-in-water cleaning composition.
  • the oil-in-water detergent composition of the present disclosure may be substantially free of higher fatty alcohols or higher fatty acids having 16 or more carbon atoms. If the content of the higher fatty alcohol or higher fatty acid constituting the lamellar gel phase exceeds 1% by mass, the user feels slimy when applied to the skin.
  • the contents of the first nonionic surfactant, the second nonionic surfactant, and water in the oil-in-water cleaning composition can be calculated from the contents of the lamellar gel phase.
  • a method for producing the lamellar gel phase of the present disclosure will be described.
  • a method for producing a lamellar gel phase can include, for example, a step of heating and melting the nonionic surfactant described above, and a step of adding water to the melted nonionic surfactant and stirring. .
  • Nonionic surfactants can be melted at, for example, 70°C to 80°C. The added water is preferably heated to the same degree as the nonionic surfactant (eg, 70° C. to 80° C.; eg ⁇ 15° C.).
  • a lamellar gel phase can be obtained by cooling after adding water.
  • the nonionic surfactant is a mixture, for example, a mixture of the nonionic surfactant shown in Chemical formula 6 and the nonionic surfactant shown in Chemical formula 7 to Chemical formula 10 can be heated and melted.
  • a method for producing an oil-in-water detergent composition can include, for example, a step of emulsifying an oily component in a lamellar gel phase, and a step of adding an aqueous component after emulsification.
  • the step of emulsifying the oil component for example, the first nonionic surfactant and the second nonionic surfactant are dissolved in a polyhydric alcohol (eg, dipropylene glycol, 1,3-butylene glycol). and a step of emulsifying while adding an oily component to the solution.
  • a polyhydric alcohol eg, dipropylene glycol, 1,3-butylene glycol
  • the oil-in-water cleaning composition of the present disclosure can be produced using a non-aqueous emulsification method (D-phase emulsification method).
  • Emulsified particles can be made finer by using a non-aqueous emulsification method.
  • the lamellar gel phase can be adsorbed at the oil-water interface.
  • the lamellar gel phase of the present disclosure can be constructed with nonionic surfactants without using higher fatty alcohols or higher fatty acids.
  • the lamellar gel phase when the lamellar gel phase is applied to the skin, the user does not feel the sliminess of the lamellar gel phase using higher fatty alcohols or higher fatty acids, and can obtain a refreshing feeling.
  • it is thought that a large amount of water-based components are not incorporated into the interplanar spaces of the lamellae it is possible to quickly absorb into the skin during application, and it is excellent in moisturizing action on the skin after application.
  • the oil-in-water detergent composition of the present disclosure can have a lamellar gel phase configured as a single-phase self-assembly. Since the oil-in-water detergent composition of the present disclosure is formed only from polyoxyethylene-based nonionic surfactants having similar properties, it suppresses the formation of a two-phase mixture of a lamellar gel phase and crystals. be able to. Thereby, in the oil-in-water cleaning composition of the present disclosure, it is possible to suppress the occurrence of problems of stability over time such as crystal precipitation and viscosity increase.
  • the lamellar gel phase of the present disclosure formed with the nonionic surfactant shown in Chemical formula 6 and the nonionic surfactant shown in Chemical formula 7 to Chemical formula 10 is the nonionic surfactant shown in Chemical formula 7 to Chemical formula 10 alone. It has a higher eutectic point and melting enthalpy than the lamellar gel phase formed. High temperature stability can be achieved by having a high eutectic point and melting point enthalpy.
  • the oil-in-water cleansing composition of the present disclosure has higher stability and quicker compatibility with the skin than an oil-in-water cleansing composition emulsified in a lamellar gel phase using a higher fatty alcohol or a higher fatty acid. .
  • the lamellar gel phase of the present disclosure has low solubility in oily components with a molecular weight of 400 or less and highly polar oily components. As a result, high emulsification stability can be maintained even when emulsifying low-molecular-weight oils and highly polar oils that cannot be emulsified in lamellar gel phases using higher fatty alcohols or higher fatty acids. As a result, a large amount of low-molecular-weight oily components with high cleansing effects can be blended, and the oil-in-water cleansing composition of the present disclosure exhibits, for example, high detergency for oily cleansing components such as makeup. Obtainable.
  • the oil-in-water detergent composition of the present disclosure contains other components, such as water-soluble alcohol, powder, anionic surfactant, cationic surfactant, and amphoteric surfactant, as long as the effects of the present disclosure are not impaired. , hydrophilic nonionic surfactants, lipophilic nonionic surfactants, water-soluble polymers, thickeners, moisturizing agents, film agents, oil-soluble UV absorbers, water-soluble UV absorbers, sequestering agents, Amino acids, organic amines, polymer emulsions, pH adjusters, skin nutrients, vitamins, antioxidants, antioxidant aids, fragrances and the like can be appropriately contained as necessary.
  • water-soluble alcohols include lower alcohols, polyhydric alcohols, polyhydric alcohol polymers, dihydric alcohol alkyl ethers, dihydric alcohol alkyl ethers, dihydric alcohol ether esters, glycerin monoalkyl ethers, sugar alcohols, At least one selected from monosaccharides, oligosaccharides, polysaccharides, derivatives thereof, and the like can be mentioned.
  • lower alcohols examples include ethanol, propanol, isopropanol, isobutyl alcohol, t-butyl alcohol and the like.
  • Dihydric alcohols include, for example, ethylene glycol, propylene glycol, trimethylene glycol, 1,2-butylene glycol, 1,3-butylene glycol, tetramethylene glycol, 2,3-butylene glycol, pentamethylene glycol, 2- Butene-1,4-diol, hexylene glycol, octylene glycol and the like can be used.
  • trihydric alcohols examples include glycerin and trimethylolpropane.
  • Polyhydric alcohols include, for example, dihydric alcohols (e.g., ethylene glycol, propylene glycol, trimethylene glycol, 1,2-butylene glycol, 1,3-butylene glycol, tetramethylene glycol, 2,3-butylene glycol, pentamethylene glycol, 2-butene-1,4-diol, hexylene glycol, octylene glycol, etc.); trihydric alcohols (e.g., glycerin, trimethylolpropane, etc.); tetrahydric alcohols (e.g., 1,2,6 -pentaerythritol such as hexanetriol); pentahydric alcohols (e.g., xylitol, etc.); hexahydric alcohols (e.g., sorbitol, mannitol, etc.);
  • dihydric alcohol alkyl ethers e.g., diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, diethylene glycol monobutyl ether, diethylene glycol dimethyl ether, diethylene glycol diethyl ether, diethylene glycol butyl ether, diethylene glycol methyl ethyl ether, triethylene glycol monomethyl ether, triethylene glycol monoethyl Ether, propylene glycol monomethyl ether, propylene glycol monoethyl ether, propylene glycol monobutyl ether, propylene glycol isopropyl ether, dipropylene glycol methyl ether, dipropylene glycol ethyl ether, dipropylene glycol dihydric alcohol ether ester (e.g., ethylene glycol monomethyl ether acetate, ethylene glycol monoethyl ether acetate, ethylene glycol monobutyl ether acetate, ethylene glycol monopheny
  • monosaccharides include three-carbon sugars (eg, D-glycerylaldehyde, dihydroxyacetone, etc.), four-carbon sugars (eg, D-erythrose, D-erythrulose, D-threose, erythritol, etc.), Five carbon sugars (e.g., L-arabinose, D-xylose, L-lyxose, D-arabinose, D-ribose, D-ribulose, D-xylulose, L- xylulose, etc.), hexoses (e.g., D-glucose, D-talose, D-psicose, D-galactose, D-fructose, L-galactose, L- mannose, D-tagatose, etc.), heptose (e.g., aldoheptose, heptulose, etc.), heptose
  • oligosaccharides include at least one selected from sucrose, guntianose, umbelliferose, lactose, planteose, isoliquinoses, ⁇ , ⁇ -trehalose, raffinose, lignoses, umbilicine, stachyose, verbascoses, and the like. can be mentioned.
  • polysaccharides include cellulose, quince seed, chondroitin sulfate, starch, galactan, dermatan sulfate, glycogen, gum arabic, heparan sulfate, hyaluronic acid, tragacanth gum, keratan sulfate, chondroitin, xanthan gum, mucoitin sulfate, guar gum, dextran, and keratosulfate. , locust bean gum, succinoglucan, caroninic acid and the like.
  • Examples of other polyols include at least one selected from polyoxyethylene methyl glucoside (glucum E-10), polyoxypropylene methyl glucoside (glucum P-10), and the like.
  • the powder is not particularly limited as long as it can be used in general, such as for cosmetics.
  • Powders include, for example, inorganic powders (e.g., talc, kaolin, mica, sericite (sericite), muscovite, phlogopite, synthetic mica, red mica, biotite, slithiamite, calcined mica, calcined talc, permiculite, Magnesium carbonate, calcium carbonate, aluminum silicate, barium silicate, calcium silicate, magnesium silicate, strontium silicate, metal tungstate, magnesium, silica, zeolite, glass, barium sulfate, calcined calcium sulfate (calcined gypsum), Calcium phosphate, fluoroapatite, hydroxyapatite, ceramic powder, metal soap (e.g.
  • inorganic powders e.g., talc, kaolin, mica, sericite (sericite
  • organic powder e.g. polyamide resin powder (nylon powder), polyethylene powder, Polymethyl methacrylate powder, polystyrene powder, copolymer resin powder of styrene and acrylic acid, benzoguanamine resin powder, polytetrafluoroethylene powder, cellulose powder, silicone resin powder, silk powder, wool powder, urethane powder, etc.
  • White pigments e.g., titanium dioxide, zinc oxide, etc.
  • inorganic red pigments e.g., iron oxide (red iron oxide), iron titanate, etc.
  • inorganic brown pigments ⁇ -iron oxide, etc.
  • inorganic yellow pigments yellow Iron oxide, ocher, etc.
  • inorganic black pigments black iron oxide, carbon black, low order titanium oxide, etc.
  • inorganic purple pigments e.g., manganese violet, cobalt violet, etc.
  • inorganic green pigments e.g., manganese violet, cobalt violet, etc.
  • Red No. 202 Red No. Organic pigments such as Red No. 205, Red No. 220, Red No. 226, Red No. 228, Red No. 405, Orange No. 203, Orange No. 204, Yellow No. 205, Yellow No. 401, and Blue No. 404, Red No. 3, Red No. 104, Red No. 106, Red No. 227, Red No. 230, Red No. 401, Red No. 505, Orange No. 205, Yellow No. 4, Yellow No. 5, Yellow No. 202, Yellow No. 203, Green Color No. 3 and Blue No.
  • Natural pigments e.g., chlorophyll, ⁇ -carotene, etc.
  • Wax powder e.g., carnauba wax powder, etc.
  • Starch powder e.g., corn starch powder, rice starch powder, etc.
  • anionic surfactants include fatty acid soaps (e.g., sodium laurate, sodium palmitate, etc.); higher alkyl sulfate salts (e.g., sodium lauryl sulfate, potassium lauryl sulfate, etc.); alkyl ether sulfates (e.g., , POE-triethanolamine lauryl sulfate, POE-sodium lauryl sulfate, etc.); N-acylsarcosic acid (e.g., sodium lauroyl sarcosinate, etc.); sodium N-myristoyl-N-methyltaurate, sodium coconut oil fatty acid methyltaurate, sodium lauryl methyl tauride, etc.); phosphate ester salts (POE-sodium oleyl ether phosphate, POE-stearyl ether phosphate, etc.); sulfosuccinate (For example, sodium di-2-ethylhexyl
  • POE-alkyl ether carboxylic acid POE-alkyl allyl ether carboxylate; ⁇ -olefin sulfonate higher fatty acid ester sulfonate; secondary alcohol sulfate; higher fatty acid alkylolamide sulfate; sodium lauroyl monoethanolamide succinate; N-palmitoyl aspartic acid ditriethanolamine; .
  • Cationic surfactants include, for example, alkyltrimethylammonium salts (e.g., stearyltrimethylammonium chloride, lauryltrimethylammonium chloride, etc.); alkylpyridinium salts (e.g., cetylpyridinium chloride, etc.); dialkyldimethylammonium salts (e.g., distearyl chloride dimethylammonium); poly(N,N'-dimethyl-3,5-methylenepiperidinium) chloride; alkyl quaternary ammonium salts; alkyldimethylbenzylammonium salts; alkylisoquinolinium salts; - alkylamine; alkylamine salt; polyamine fatty acid derivative; amyl alcohol fatty acid derivative; benzalkonium chloride;
  • alkyltrimethylammonium salts e.g., stearyltrimethylammonium chloride, lauryltrimethylammonium chloride, etc.
  • Amphoteric surfactants include, for example, imidazoline-based amphoteric surfactants (e.g., 2-undecyl-N,N,N-(hydroxyethylcarboxymethyl)-2-imidazoline sodium, 2-cocoyl-2-imidazolinium hydroxide side-1-carboxyethyloxy disodium salt, etc.); betaine surfactants (e.g., 2-heptadecyl-N-carboxymethyl-N-hydroxyethylimidazolinium betaine, lauryldimethylaminoacetic acid betaine, alkylbetaine, amidobetaine , sulfobetaine, etc.) and the like.
  • imidazoline-based amphoteric surfactants e.g., 2-undecyl-N,N,N-(hydroxyethylcarboxymethyl)-2-imidazoline sodium, 2-cocoyl-2-imidazolinium hydroxide side-1-carbox
  • Hydrophilic nonionic surfactants include, for example, POE-sorbitan fatty acid esters (eg, POE-sorbitan monooleate, POE-sorbitan monostearate, POE-sorbitan monooleate, POE-sorbitan tetraoleate, etc.); POE-sorbitol fatty acid esters (eg, POE-sorbitol monolaurate, POE-sorbitol monooleate, POE-sorbitol pentaoleate, POE-sorbitol monostearate, etc.); POE-glycerin fatty acid esters (eg, POE-glycerol mono stearate, POE-monooleate such as POE-glycerin monoisostearate, POE-glycerin triisostearate, etc.); POE-fatty acid esters (e.g., POE-distearate, POE-monodioleate, ethylene glycol diste
  • Lipophilic nonionic surfactants include, for example, sorbitan fatty acid esters (e.g., sorbitan monooleate, sorbitan monoisostearate, sorbitan monolaurate, sorbitan monopalmitate, sorbitan monostearate, sorbitan sesquioleate, sorbitan trioleate, diglycerol sorbitan penta-2-ethylhexylate, diglycerol sorbitan tetra-2-ethylhexylate, etc.); , ⁇ , ⁇ '-glycerol pyroglutamate, glyceryl monostearate, malic acid, etc.); propylene glycol fatty acid esters (eg, propylene glycol monostearate, etc.); hydrogenated castor oil derivatives;
  • sorbitan fatty acid esters e.g., sorbitan monooleate, sorbitan monoisostearate, sorbitan monol
  • natural water-soluble polymers include plant-based polymers (e.g., gum arabic, tragacanth gum, galactan, guar gum, carob gum, karaya gum, carrageenan, pectin, agar, quince seed (quince), algecolloid (cassou extract), starch ( rice, corn, potato, wheat), glycyrrhizic acid); microbial macromolecules (e.g., xanthan gum, dextran, succinoglucan, pullulan, etc.); mentioned.
  • plant-based polymers e.g., gum arabic, tragacanth gum, galactan, guar gum, carob gum, karaya gum, carrageenan, pectin, agar, quince seed (quince), algecolloid (cassou extract), starch ( rice, corn, potato, wheat), glycyrrhizic acid
  • microbial macromolecules e.g., xanthan gum,
  • semi-synthetic water-soluble polymers include starch-based polymers (e.g., carboxymethyl starch, methylhydroxypropyl starch, etc.); cellulose-based polymers (methylcellulose, ethylcellulose, methylhydroxypropylcellulose, hydroxyethylcellulose, sodium cellulose sulfate, hydroxypropylcellulose, carboxymethylcellulose, sodium carboxymethylcellulose, crystalline cellulose, cellulose powder, etc.); alginate-based polymers (eg, sodium alginate, propylene glycol alginate, etc.);
  • Examples of synthetic water-soluble polymers include vinyl polymers (eg, polyvinyl alcohol, polyvinyl methyl ether, polyvinylpyrrolidone, carboxyvinyl polymer, etc.); polyoxyethylene polymers (eg, polyethylene glycol 20,000, 40, 000, 60,000 polyoxyethylene polyoxypropylene copolymers, etc.); acrylic polymers (eg, sodium polyacrylate, polyethyl acrylate, polyacrylamide, etc.); polyethyleneimine; cationic polymers, and the like.
  • vinyl polymers eg, polyvinyl alcohol, polyvinyl methyl ether, polyvinylpyrrolidone, carboxyvinyl polymer, etc.
  • polyoxyethylene polymers eg, polyethylene glycol 20,000, 40, 000, 60,000 polyoxyethylene polyoxypropylene copolymers, etc.
  • acrylic polymers eg, sodium polyacrylate, polyethyl acrylate, polyacrylamide, etc.
  • polyethyleneimine cationic
  • Thickeners include, for example, gum arabic, carrageenan, karaya gum, tragacanth gum, carob gum, quince seed (quince), casein, dextrin, gelatin, sodium pectate, sodium alginate, methylcellulose, ethylcellulose, carboxymethylcellulose (CMC), and hydroxyethylcellulose.
  • hydroxypropylcellulose polyvinyl alcohol (PVA), polyvinyl methyl ether (PVM), PVP (polyvinylpyrrolidone), sodium polyacrylate, carboxyvinyl polymer, locust bean gum, guar gum, tamarind gum, dialkyldimethylammonium cellulose sulfate, xanthan gum, silica
  • PVA polyvinyl alcohol
  • PVM polyvinyl methyl ether
  • PVP polyvinylpyrrolidone
  • sodium polyacrylate sodium polyacrylate
  • carboxyvinyl polymer locust bean gum, guar gum, tamarind gum, dialkyldimethylammonium cellulose sulfate, xanthan gum
  • silica examples include magnesium aluminum oxide, bentonite, hectorite, magnesium aluminum silicate (Vegum), laponite, silicic anhydride, taurate-based synthetic polymer, and acrylate-based synthetic polymer.
  • moisturizing agents include polyethylene glycol, propylene glycol, glycerin, 1,3-butylene glycol, xylitol, sorbitol, maltitol, chondroitin sulfate, hyaluronic acid, mucoitin sulfate, caroninic acid, atelocollagen, and cholesteryl-12-hydroxystearate. , sodium lactate, bile salts, dl-pyrrolidone carboxylate, alkylene oxide derivatives, short-chain soluble collagen, diglycerin (EO) PO adducts, rose barra extract, yarrow extract, melilot extract and the like.
  • EO diglycerin
  • film-forming agents examples include anionic film-forming agents (e.g., (meth)acrylic acid/(meth)acrylic acid ester copolymer, methyl vinyl ether/maleic anhydride high polymer, etc.), cationic film-forming agents (e.g., cationic cellulose, dimethyldiallylammonium chloride polymer, dimethyldiallylammonium chloride/acrylamide copolymer, etc.), nonionic film agents (e.g., polyvinyl alcohol, polyvinylpyrrolidone, polyvinyl acetate, polyacrylate copolymer, (meth) acrylamide, polymer silicone, silicone resin, trimethylsiloxysilicate, etc.).
  • anionic film-forming agents e.g., (meth)acrylic acid/(meth)acrylic acid ester copolymer, methyl vinyl ether/maleic anhydride high polymer, etc.
  • cationic film-forming agents e.g., cationic cellulose
  • oil-soluble UV absorbers examples include benzoic acid-based UV absorbers (e.g., para-aminobenzoic acid (hereinafter abbreviated as PABA), PABA monoglycerin ester, N,N-dipropoxy PABA ethyl ester, N,N-diethoxy PABA ethyl ester, N,N-dimethyl PABA ethyl ester, N,N-dimethyl PABA butyl ester, N,N-dimethyl PABA ethyl ester, diethylaminohydroxybenzoyl hexyl benzoate, etc.); N-acetylanthranilate, etc.); salicylic acid-based UV absorbers (e.g., ethylhexyl salicylate, amyl salicylate, menthyl salicylate, homomenthyl salicylate, octyl salicylate, phenyl salicylate, benzyl salicylate,
  • water-soluble UV absorbers examples include benzophenone UV absorbers (eg, 2-hydroxy-4-methoxybenzophenone-5-sulfonate), benzylidene camphor UV absorbers (benzylidene camphor sulfonic acid, terephthalyl camphor sulfonic acid, etc.), phenylbenzimidazole-based UV absorbers (phenylbenzimidazole sulfonic acid, etc.), and the like.
  • benzophenone UV absorbers eg, 2-hydroxy-4-methoxybenzophenone-5-sulfonate
  • benzylidene camphor UV absorbers benzylidene camphor sulfonic acid, terephthalyl camphor sulfonic acid, etc.
  • phenylbenzimidazole-based UV absorbers phenylbenzimidazole sulfonic acid, etc.
  • sequestering agents include 1-hydroxyethane-1,1-diphosphonic acid, 1-hydroxyethane-1,1-diphosphonic acid tetrasodium salt, disodium edetate, trisodium edetate, and tetrasodium edetate. , sodium citrate, sodium polyphosphate, sodium metaphosphate, gluconic acid, phosphoric acid, citric acid, ascorbic acid, succinic acid, edetic acid, trisodium ethylenediaminehydroxyethyl triacetate, and the like.
  • Amino acids include, for example, neutral amino acids (eg, threonine, cysteine, etc.); basic amino acids (eg, hydroxylysine, etc.).
  • amino acid derivatives include sodium acyl sarcosinate (sodium lauroyl sarcosinate), acyl glutamate, sodium acyl ⁇ -alanine, glutathione, pyrrolidone carboxylic acid and the like.
  • organic amines examples include monoethanolamine, diethanolamine, triethanolamine, morpholine, triisopropanolamine, 2-amino-2-methyl-1,3-propanediol, 2-amino-2-methyl-1-propanol, and the like. is mentioned.
  • polymer emulsions examples include acrylic resin emulsions, polyethyl acrylate emulsions, acrylic resin liquids, polyacryl alkyl ester emulsions, polyvinyl acetate resin emulsions, and natural rubber latex.
  • pH adjusters examples include buffers such as lactic acid-sodium lactate, citric acid-sodium citrate, and succinic acid-sodium succinate.
  • vitamins examples include vitamins A, B1, B2, B6, C, E and their derivatives, pantothenic acid and its derivatives, biotin, and the like.
  • antioxidants examples include tocopherols, dibutylhydroxytoluene, butylhydroxyanisole, and gallic acid esters.
  • antioxidant aids include phosphoric acid, citric acid, ascorbic acid, maleic acid, malonic acid, succinic acid, fumaric acid, cephalin, hexametaphosphate, phytic acid, and ethylenediaminetetraacetic acid.
  • ingredients that can be blended include, for example, preservatives (ethylparaben, butylparaben, chlorphenesin, phenoxyethanol, etc.); ); whitening agent (e.g., placenta extract, saxifrage extract, arbutin, etc.); , coix seed, loofah, lily, saffron, cnidium, ginger, hypericum, ononis, garlic, red pepper, chimp, angelica, seaweed, etc.), activator (e.g., royal jelly, photosensitizer, cholesterol derivative, etc.); blood circulation promoter (e.g., , Nonylic Acid Vanillylamide, Nicotinic Acid Benzyl Ester, Nicotinic Acid ⁇ -Butoxyethyl Ester, Capsaicin, Zingerone, Cantharis Tincture, Ictamol, Tannic Acid, ⁇ -Borneol, Tocopherol Nicotinate, Inositol
  • composition of the present disclosure contains caffeine, tannin, verapamil, tranexamic acid and its derivatives, various crude drug extracts such as licorice, Chinese quince, and Ichiyakuso, tocopheryl acetate, glycyrrhizic acid, glycyrrhizic acid and its derivatives or salts thereof, and the like.
  • Pharmaceutical agents, whitening agents such as vitamin C, magnesium ascorbyl phosphate, ascorbyl glucoside, arbutin and kojic acid, amino acids such as arginine and lysine and their derivatives may also be contained as appropriate.
  • oil-in-water cleaning composition of the present disclosure will be described below with examples. However, the oil-in-water detergent composition of the present disclosure is not limited to the following examples.
  • the unit of the content of each component shown in each table is % by mass.
  • compositions shown in Tables 1 to 4 were prepared, and each composition was subjected to small-angle and wide-angle X-ray scattering measurement and differential scanning calorimetry (DSC measurement).
  • DSC measurement differential scanning calorimetry
  • the number of moles in brackets shown in Tables 1 to 4 indicates the average number of added moles of polyoxyethylene.
  • Polyoxyethylene (6 mol) distearic acid was used as the first nonionic surfactant, which is a two-chain nonionic surfactant.
  • a second nonionic surfactant with HLB 7-15 polyoxyethylene (7 mol) cetyl ether (HLB 10), polyoxyethylene (20 mol) hydrogenated castor oil fatty acid glyceryl (HLB 10.5) and polyoxyethylene (10 mol) a 3:2 mixture of hydrogenated castor oil fatty acid glyceryl (HLB 7), polyoxyethylene monostearate (10 mol) glyceryl monostearate (HLB 11), and polyoxyethylene monostearate (20 mol) sorbitan (HLB 14. 9) was used.
  • the nonionic surfactants shown in the table below are melted at 70 to 80 ° C. to form one phase, ion-exchanged water at 70 to 80 ° C. is added and stirred, and then cooled. It was made by
  • addition display is a chart of the composition to which the first nonionic surfactant is added
  • no addition display is the first nonionic surfactant. It is a chart of composition without addition.
  • the first nonionic surfactant, the second nonionic surfactant, and water form a one-phase self-assembly.
  • crystal masses are precipitated in the composition.
  • the compositions of the present disclosure have been shown to be homogeneous compositions. Also, the compositions of the present disclosure have been found to have high temperature stability.
  • FIG. 5 shows the melting enthalpy (addition) of the composition containing the first nonionic surfactant and the second nonionic surfactant mixture in Test Examples 1 to 4, and the second nonionic surfactant Figure 2 shows a comparison of the melting enthalpies of lamellar gels alone or compositions containing lamellar liquid crystals (no additive).
  • polyoxyethylene (6 mol) distearic acid significantly increased the melting enthalpy of each nonionic surfactant aqueous dispersion self-assembly. From the above, it was found that the addition of polyoxyethylene (6 mol) distearic acid increased the regularity of the self-organization of the nonionic surfactant and made the lamellar gel more rigid.
  • the volume fraction is a number obtained by multiplying 100 by the ratio (b/a) of the height (b) from the bottom surface to the top surface of the lamellar gel phase (cloudy part) to the height (a) of the liquid surface from the bottom surface.
  • FIG. 6 shows photographs of the compositions of Test Examples 5-1 to 5-4.
  • the compositions of Test Examples 5-1 and 5-2 are the same as the compositions of Test Examples 3-1 and 3-2.
  • Test Example 6-1 40% by mass of a low-molecular-weight oily component was blended. Therefore, it is considered that the oil-in-water detergent composition of Test Example 6-1 has high detergency.
  • Test Example 7 An oil-in-water (O/W) detergent composition using the lamellar gel phase of the present disclosure was tested for feeling in use.
  • Test Example 7-1 is a cleanser using the lamellar gel phase of the present disclosure.
  • an ⁇ -gel oil-in-water (O/W) detergent using soap behenate, soap stearate, polyoxyethylene (5 mol) glyceryl monostearate, glyceryl monostearate, and behenyl alcohol (Test Example 7 -2), and an oil-in-water (O/W) cleaning agent using polyoxyethylene (60 mol) hydrogenated castor oil (Test Example 7-3).
  • Table 7 shows the compositions of the oil-in-water detergent compositions of Test Examples 7-1 to 7-3.
  • the cleanser using the lamellar gel phase of the present disclosure spreads better, is smoother, and feels refreshed than the cleanser using the lamellar gel phase of Test Example 7-2. Regardless, it was found that the emollient feeling of the skin after cleansing was high. It was found that the cleansing agent of the present disclosure has a superior feeling in use than the cleansing agent of Test Example 7-2.
  • the cleanser using the lamellar gel phase of the present disclosure spreads better and is smoother than the cleanser emulsified with polyoxyethylene (60 mol) hydrogenated castor oil in Test Example 7-3. It was found that the skin had a high emollient feeling after cleansing even though it was refreshing. It was found that the cleanser of the present disclosure has a superior feeling in use than the cleanser of Test Example 7-3.
  • composition of the present disclosure are given below. Application examples of the composition of the present disclosure are not limited by the following formulation examples.
  • the unit of content of each component shown in the table is % by mass.
  • [Appendix 3] The production method according to the appendix, wherein in the water addition step, the first nonionic surfactant is heated to a temperature within ⁇ 15° C. before addition.
  • [Appendix 4] A solution preparation step of dissolving the first nonionic surfactant in a polyhydric alcohol to prepare a solution; adding an oily component to the solution to emulsify; After emulsification, adding water; A method for producing an oil-in-water cleaning composition.
  • [Appendix 5] The manufacturing method according to the appendix, wherein the first nonionic surfactant and the second nonionic surfactant are melted in the solution preparation step.
  • the oil-in-water cleanser composition of the present disclosure can be applied, for example, to cleansers applied to skin, cleansers applied to hair, and the like.
  • the oil-in-water cleanser composition of the present disclosure can be applied to makeup cleansers, shampoos, and the like.

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