WO2015152422A1 - Composition sous la forme de nano- ou de micro-émulsion - Google Patents

Composition sous la forme de nano- ou de micro-émulsion Download PDF

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Publication number
WO2015152422A1
WO2015152422A1 PCT/JP2015/060687 JP2015060687W WO2015152422A1 WO 2015152422 A1 WO2015152422 A1 WO 2015152422A1 JP 2015060687 W JP2015060687 W JP 2015060687W WO 2015152422 A1 WO2015152422 A1 WO 2015152422A1
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Prior art keywords
composition according
weight
esters
nonionic surfactant
composition
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PCT/JP2015/060687
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English (en)
Inventor
Maki KOIDE
Anne-Laure Bernard
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L'oreal
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Publication of WO2015152422A1 publication Critical patent/WO2015152422A1/fr

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    • 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
    • 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
    • A61K8/068—Microemulsions
    • 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
    • A61K8/34—Alcohols
    • A61K8/345—Alcohols containing more than one hydroxy group
    • 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
    • A61K8/37—Esters of carboxylic acids
    • 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
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/63—Steroids; Derivatives thereof
    • 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
    • A61Q19/00—Preparations for care of the skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/80—Process related aspects concerning the preparation of the cosmetic composition or the storage or application thereof
    • A61K2800/86—Products or compounds obtained by genetic engineering

Definitions

  • the present invention relates to a composition in the form of a nano- or micro-emulsion.
  • the present invention relates to a cosmetic composition in the form of a nano- or micro-emulsion.
  • Oil-in-water (O/W) or Water-in-oil (W/O) emulsions are well known in the field of cosmetics and dermatology, in particular for the preparation of cosmetic products, such as milks, creams, tonics, serums or toilet waters.
  • a fine emulsion such as an O/W nano- or micro-emulsion is particularly interesting in cosmetic products due to its transparent or slightly translucent aspect.
  • JP-A-H09- 110635 discloses a fine emulsion which is formed by using a combination of a nonionic surfactant such as polyglyceryl fatty acid ester, as a surfactant, and Cio-C 22 2-hydroxy fatty acid.
  • JP-A-H11-71256 discloses a fine emulsion which is formed by using a combination of a nonionic surfactant such as polyglyceryl fatty acid ester and a betain.
  • a fine emulsion formed by using a nonionic surfactant in particular polyglyceryl fatty acid ester, with an HLB value of from 8.0 to 14.0 may have increased stickiness which impairs feeling during use.
  • An objective of the present invention is to provide a composition in the form of a nano- or micro-emulsion with transparent or slightly translucent, preferably transparent, aspect of the emulsion, with a reduced stickiness even if the composition includes a nonionic surfactant with an HLB value of from 8.0 to 14.0.
  • composition in the form of a nano- or micro-emulsion comprising:
  • the (a) oil may be selected from the group consisting of oils of plant origin, mineral oils, synthetic oils, silicone oils and hydrocarbon oils.
  • the (a) oil may be chosen from ester oils or hydrocarbon oils which are in the form of a liquid at a room temperature. It may be preferable that the (a) oil be chosen from oils with a molecular weight below 600 g/mol.
  • the amount of the (a) oil may range from 0.1 to 30% by weight, preferably from 0.5 to 20% by weight, and more preferably from 1 to 10% by weight, relative to the total weight of the composition.
  • the (d) second nonionic surfactant may be chosen from:
  • surfactants that are fluid at a temperature of less than or equal to 45 °C, chosen from the esters of at least one polyol chosen from the group formed by polyethylene glycol comprising from 1 to 60 ethylene oxide units, sorbitan, glycerol comprising from 2 to 30 ethylene oxide units, polyglycerols comprising from 2 to 12 glycerol units, and of at least one fatty acid comprising at least one saturated or unsaturated, linear or branched C 8 -C 22 alkyl chain,
  • - surfactants that are solid at a temperature of less than or equal to 45°C, chosen from fatty esters of glycerol, fatty esters of sorbitan and oxyethylenated fatty esters of sorbitan, ethoxylated fatty ethers and ethoxylated fatty esters,
  • the (d) second nonionic surfactant be chosen from:
  • polyethylene glycol isostearate or oleate (8 to 10 mol of ethylene oxide),
  • polyglyceryl monolaurate or dilaurate comprising 3 to 6 glycerol units
  • polyglyceryl mono(iso)stearate comprising 3 to 6 glycerol units
  • polyglyceryl monooleate comprising 3 to 6 glycerol units
  • the (d) second nonionic surfactant may be chosen from polyglyceryl fatty acid esters, preferably esters of a fatty acid and polyglycerine comprising 70% or more of polyglycerine whose polymerization degree is 4 or more, preferably esters of a fatty acid and polyglycerine containing equal to or more than 60% of polyglycerine whose polymerization degree is between 4 and 11, and more preferably esters of a fatty acid and polyglycerine containing equal to or more than 30% of polyglycerine whose polymerization degree is 5.
  • polyglyceryl fatty acid esters preferably esters of a fatty acid and polyglycerine comprising 70% or more of polyglycerine whose polymerization degree is 4 or more, preferably esters of a fatty acid and polyglycerine containing equal to or more than 60% of polyglycerine whose polymerization degree is between 4 and 11, and more preferably esters of a fatty acid and polyglycerine
  • the amount of the (d) second nonionic surfactant may range from 0.01 to 30% by weight, preferably from 0.1 to 20% by weight, and more preferably from 0.5 to 10% by weight, relative to the total weight of the composition.
  • the weight ratio of the (d) second nonionic surfactant to the (a) oil may be 2 or less, preferably 1.5 or less, and more preferably from 1.0 or less.
  • the amount of the (c) polyol may range from 0.01 to 30% by weight, preferably from 0.1 to 20% by weight, and more preferably from 1 to 15% by weight, relative to the total weight of the composition.
  • the (b) first nonionic surfactant may be a polyalkyleneglycolerated / oxyalkylenated sterol derivatives, preferably a polyethyleneglycolerated sterol derivatives, and more preferably polyethyleneglycolerated rapeseed sterol or polyethyleneglycolerated soya sterol such as PEG-5 rapeseed sterol and PEG-5 through PEG-30 soya sterol. It is preferable that the (b) first nonionic surfactant comprise from 1 to 30 moles, preferably from 2 to 8 moles, and more preferably from 3 to 7 moles, of alkylene oxide such as ethylene oxide.
  • the amount of the (b) first nonionic surfactant may range from 0.01 to 10% by weight of the composition, preferably from 0.05 to 5%, and more preferably from 0.1 to 2 % by weight of the composition.
  • the amount of the (e) water may range from 40 to 95% by weight or more, preferably from 50 to 90% by weight, and more preferably from 60 to 85% by weight relative to the total weight of the composition.
  • composition according to the present invention further comprise at least one ionic surfactant, preferably anionic surfactant, and more preferably taurate or glutamate.
  • composition according to the present invention has the turbidity of 300 or less, preferably 200 or less, and more preferably 100 or less.
  • the present invention also relates to a non-therapeutic process for treating the skin, the hair, mucous membranes, the nails, the eyelashes, the eyebrows and/or the scalp, characterized in that the composition according to the present invention is applied to the skin, the hair, mucous membranes, the nails, the eyelashes, the eyebrows or the scalp.
  • the present invention also relates to a use of the composition according to the present invention, as it is or in care products and/or washing products and/or make-up products and/or make-up-removing products, for body and/or facial skin and/or mucous membranes and/or the scalp and/or the hair and/or the nails and/or the eyelashes and/or the eyebrows.
  • the first aspect of the present invention is a composition in the form of a nano- or micro-emulsion, comprising:
  • composition according to the present invention has a dispersed phase with small diameter and good properties such as less stickiness due to the association of the first nonionic surfactant having a sterol moiety and the second nonionic surfactant with an HLB value of from 8.0 to 14.0.
  • the composition according to the present invention can have an excellent feeling during use and can be in the form of a nano- or micro-emulsion which is transparent or slightly translucent.
  • the composition according to the present invention can have transparent or slightly translucent, the composition can be preferably used for lotions and the like. Further, as the dispersed phase is finely dispersed, the composition according to the present invention can provide unique texture, moisturizing and wet feeling, as well as increased suppleness.
  • the dispersed phase is an oil phase and includes one or more lipophilic or even amphiphilic active ingredients
  • the dispersed oil phase can function as a carrier of the active ingredient and accelerate the penetration of the active ingredients into the skin, or can distribute the active ingredients on the skin.
  • composition according to the present invention comprises at least one oil.
  • oil means a fatty compound or substance which is in the form of a liquid at room temperature (25°C) under atmospheric pressure (760 mmHg).
  • oil(s) those generally used in cosmetics can be used alone or in combination thereof.
  • the oil(s) may be volatile or non-volatile, preferably non-volatile.
  • the (a) oil may be a non-polar oil such as a hydrocarbon oil, a silicone oil, or the like; a polar oil such as a plant or animal oil and an ester oil or an ether oil; or a mixture thereof.
  • the (a) oil be selected from the group consisting of oils of plant or animal origin, synthetic oils, silicone oils and hydrocarbon oils.
  • plant oils examples include, for example, linseed oil, camellia oil, macadamia nut oil, corn oil, mink oil, olive oil, avocado oil, sasanqua oil, castor oil, saffiower oil, jojoba oil, sunflower oil, almond oil, rapeseed oil, sesame oil, soybean oil, peanut oil, and mixtures thereof.
  • animal oils mention may be made of, for example, squalene and squalane.
  • alkane oils such as isododecane and isohexadecane
  • ester oils such as isododecane and isohexadecane
  • ether oils such as triglycerides
  • the ester oils are preferably liquid esters of saturated or unsaturated, linear or branched C C 26 aliphatic monoacids or polyacids and of saturated or unsaturated, linear or branched C C 26 aliphatic monoalcohols or polyalcohols, the total number of carbon atoms of the esters being greater than or equal to 10.
  • At least one from among the alcohol and the acid from which the esters of the invention are derived is branched.
  • ethyl palmitate ethyl hexyl palmitate
  • isopropyl palmitate dicaprylyl carbonate
  • alkyl myristates such as isopropyl myristate or ethyl myristate
  • isocetyl stearate 2-ethylhexyl isononanoate
  • isononyl isononanoate isodecyl neopentanoate and isostearyl neopentanoate.
  • Esters of C 4 -C 22 dicarboxylic or tricarboxylic acids and of C 1 -C 22 alcohols and esters of monocarboxylic, dicarboxylic or tricarboxylic acids and of non-sugar C 4 -C 26 dihydroxy, trihydroxy, tetrahydroxy or pentahydroxy alcohols may also be used.
  • diisopropyl sebacate bis(2-ethylhexyl) sebacate; diisopropyl adipate; di-n-propyl adipate; dioctyl adipate; bis(2-ethylhexyl) adipate; diisostearyl adipate; bis(2-ethylhexyl) maleate; triisopropyl citrate; triisocetyl citrate; triisostearyl citrate; glyceryl trilactate; glyceryl trioctanoate; trioctyldodecyl citrate; trioleyl citrate; neopentyl glycol diheptanoate; diethylene glycol diisononanoate.
  • sugar esters and diesters of C 6 -C 30 and preferably Ci 2 -C 22 fatty acids.
  • sucrose means oxygen-bearing hydrocarbon-based compounds containing several alcohol functions, with or without aldehyde or ketone functions, and which comprise at least 4 carbon atoms. These sugars may be monosaccharides, oligosaccharides or polysaccharides.
  • suitable sugars include sucrose (or saccharose), glucose, galactose, ribose, fucose, maltose, fructose, mannose, arabinose, xylose and lactose, and derivatives thereof, especially alkyl derivatives, such as methyl derivatives, for instance methylglucose.
  • the sugar esters of fatty acids may be chosen especially from the group comprising the esters or mixtures of esters of sugars described previously and of linear or branched, saturated or unsaturated C 6 -C 3 o and preferably C 12 -C 2 2 fatty acids. If they are unsaturated, these
  • compounds may have one to three conjugated or non-conjugated carbon-carbon double bonds.
  • esters according to this variant may also be selected from monoesters, diesters, triesters, tetraesters and polyesters, and mixtures thereof.
  • esters may be, for example, oleates, laurates, palmitates, myristates, behenates, cocoates, stearates, linoleates, linolenates, caprates and arachidonates, or mixtures thereof such as, especially, oleopalmitate, oleostearate and palmitostearate mixed esters, as well as pentaerythrityl tetraethyl hexanoate.
  • monoesters and diesters and especially sucrose, glucose or methylglucose monooleates or dioleates, stearates, behenates, oleopalmitates, linoleates, linolenates and oleostearates.
  • ester oils mention may be made of, for example, diisopropyl adipate, dioctyl adipate, 2-ethylhexyl hexanoate, ethyl laurate, cetyl octanoate, octyldodecyl octanoate, isodecyl neopentanoate, myristyl propionate, 2-ethylhexyl 2-ethylhexanoate, 2-ethylhexyl octanoate, 2-ethylhexyl caprylate/caprate, methyl palmitate, ethyl palmitate, isopropyl palmitate, ethylhexyl palmitate, isohexyl laurate, hexyl laurate, isocetyl stearate, isopropyl isostearate, isopropyl myristate,
  • ether oils mention may be made of, for example, dicaprylylether and diisocetylether.
  • artificial triglycerides mention may be made of, for example, glyceryl trimyristate, glyceryl tripalmitate, glyceryl trilinolenate, glyceryl trilaurate, glyceryl tricaprate, glyceryl tricaprylate, glyceryl tri(caprate/caprylate) and glyceryl
  • organopolysiloxanes such as dimethylpolysiloxane, methylphenylpolysiloxane,
  • dodecamethylcyclohexasiloxane and the like; and mixtures thereof.
  • silicone oil is chosen from liquid polydialkylsiloxanes, especially liquid polydimethylsiloxanes (PDMS) and liquid polyorganosiloxanes comprising at least one aryl group.
  • PDMS liquid polydimethylsiloxanes
  • silicone oils may also be organomodified.
  • organomodified silicones that can be used in accordance with the present invention are silicone oils as defined above and comprising in their structure one or more organofunctional groups attached via a
  • Organopolysiloxanes are defined in greater detail in Walter Noll's Chemistry and Technology of Silicones (1968), Academic Press. They may be volatile or non-volatile.
  • Volatile or non-volatile silicone oils such as volatile or non-volatile polydimethylsiloxanes (PDMS) containing a linear or cyclic silicone chain, that are liquid or pasty at ambient temperature, in particular cyclopolydimethylsiloxanes (cyclomethicones) such as
  • cyclohexasiloxane polydimethylsiloxanes containing alkyl, alkoxy or phenyl groups that are pendent or at the end of the silicone chain, which groups have from 2 to 24 carbon atoms; phenyl silicones such as phenyl trimethicones, phenyl dimethicones,
  • polymethylphenylsiloxanes may be used.
  • Hydrocarbon oils may be chosen from:
  • linear or branched hydrocarbons containing more than 16 carbon atoms such as liquid paraffins, liquid petroleum jelly, polydecenes and hydro genated
  • polyisobutenes such as Parleam®, and squalane.
  • hydrocarbon oils As preferable examples of hydrocarbon oils, mention may be made of, for example, linear or branched hydrocarbons such as mineral oil(e.g., liquid paraffin), paraffin, vaseline or petrolatum, naphthalenes, and the like; hydrogenated polyisobutene, isoeicosan, and decene/butene copolymer; and mixtures thereof.
  • the (a) oil may be a fatty alcohol.
  • fatty alcohol here means any saturated or unsaturated, linear or branched C 8 -C 30 alcohol, which is optionally substituted, in particular with one or more hydroxyl groups (in particular 1 to 4). If they are unsaturated, these compounds may comprise one to three conjugated or non-conjugated carbon-carbon double bonds.
  • C 12 -C 3 o fatty alcohols may be used. Mention may be made, among these, of lauryl alcohol, cetyl alcohol, stearyl alcohol, isostearyl alcohol, oleyl alcohol, behenyl alcohol, linoleyl alcohol, undecylenyl alcohol, palmitoleyl alcohol, linolenyl alcohol, myristyl alcohol, arachidonyl alcohol, erucyl alcohol, octyldodecanol, and mixtures thereof.
  • the (a) oil be chosen from ester oils or hydrocarbon oils which are in the form of a liquid at a room temperature.
  • the (a) oil be chosen from oils with molecular weight below 600 g/mol.
  • the (a) oil has a low molecular weight such as below 600 g/mol, chosen among ester oils with a short hydrocarbon chain or chains (Ci-C 12 ) (e.g., isopropyl myristate, isopropyl palmitate, isononyl isononanoate, and ethyl hexyl palmitate), hydrocarbon oils (e.g., isododecane, isohexadecane, and squalane), branched and/or unsaturated fatty alcohol
  • (C 12 -C 30 ) type oils such as octyldodecanol and oleyl alcohol, and ether oils such as
  • the amount in the composition according to the present invention of the (a) oil is not limited, and may range from 0.1 to 30% by weight, preferably from 0.5 to 20% by weight, and more preferably from 1 to 10% by weight, relative to the total weight of the composition.
  • composition according to the present invention comprises at least one first nonionic surfactant.
  • a single type of first nonionic surfactant may be used, but two or more different types of first nonionic surfactant may be used in combination.
  • the (b) first nonionic surfactant has at least one sterol moiety, preferably one sterol moiety.
  • the (b) first nonionic surfactant comprise from 1 to 30 moles, preferably from 2 to 8 moles, and more preferably from 3 to 7 moles, of alkylene oxide such as ethylene oxide.
  • the first nonionic surfactant mention may be made of POE (5) cholesterol ether, POE (10) cholesterol ether, POE (20) cholesterol ether, and POE (30) cholesterol ether; POE (5) phytosterol ether, POE (10) phytosterol ether, POE (20) phytosterol ether, and POE (30) phytosterol ether; POE (5) cholestanol ether, POE (10) cholestanol ether, POE (20) cholestanol ether, and POE (30) cholestanol ether; and POE (5) phytostanol ether, POE (10) phytostanol ether, POE (20) phytostanol ether, and POE (30) phytostanol ether, wherein POE means "polyoxyethylene".
  • Nikkol BPS-5 (INCI NAME : PEG-5 PHYTOSTEROL), Nikkol BPS-10 ([NCI NAME : PEG- 10 PHYTOSTEROL), Nikkol BPS-20 (INCI NAME : PEG-20 PHYTOSTEROL), Nikkol BPS-30 (INCI NAME : PEG-30 PHYTOSTEROL), Nikkol BPSH-25 (INCI NAME : PEG-25 PHYTOSTANOL), Nikkol DHC-30 (INCI NAME : DIH YDROCHOLETH-30), by Nikko Chemical Co., Ltd., and Uniox CS-800 (INCI NAME : CHOLETH-10) and Uniox CS-1500 (INCI NAME : CHOLETH-24), by NOF Corp.
  • the (b) first nonionic surfactant may be a polyalkyleneglycolerated / oxyalkylenated sterol derivatives, preferably a polyethyleneglycolerated sterol derivatives, and more preferably polyethyleneglycolerated rapeseed sterol or polyethyleneglycolerated soya sterol such as PEG-5 rapeseed sterol and PEG-5 through PEG-30 soya sterol.
  • the amount of the (b) first nonionic surfactant may range from 0.01 to 10% by weight of the composition, preferably from 0.05 to 5%, and more preferably from 0.1 to 2 % by weight of the composition.
  • composition according to the present invention comprises at least one polyol.
  • a single type of polyol may be used, but two or more different types of polyol may be used in combination.
  • polyol here means an alcohol having two or more hydroxy groups, and does not encompass a saccharide or a derivative thereof.
  • the derivative of a saccharide includes a sugar alcohol which is obtained by reducing one or more carbonyl groups of a saccharide, as well as a saccharide or a sugar alcohol in which the hydrogen atom or atoms in one or more hydroxy groups thereof has or have been replaced with at least one substituent such as an alkyl group, a hydroxyalkyl group, an alkoxy group, an acylgroup or a carbonyl group.
  • the polyol may be a C 2 -C 12 polyol, preferably a C2-9 polyol, comprising at least 2 hydroxy groups, and preferably 2 to 5 hydroxy groups.
  • the polyol may be a natural or synthetic polyol.
  • the polyol may have a linear, branched or cyclic molecular structure.
  • the polyol may be selected from glycerins and derivatives thereof, and glycols and derivatives thereof.
  • the polyol may be selected from the group consisting of glycerin, diglycerin, polyglycerin, ethyleneglycol, propyleneglycol, dipropyleneglycol, butyleneglycol, pentyleneglycol, hexyleneglycol, 1,3 -propanediol, 1 ,5-pentanediol, polyethyleneglycol (5 to 50 ethyleneoxide groups), and sugars such as sorbitol.
  • the polyol may be present in an amount ranging from 0.01 to 30% by weight, and preferably from 0.1 to 20% by weight, such as from 1 to 15% by weight, relative to the total weight of the composition. (Second Nonionic Surfactant)
  • composition according to the present invention comprises at least one second nonionic surfactant.
  • a single type of the second nonionic surfactant may be used, but two or more different types of the second nonionic surfactant may be used in combination.
  • the second nonionic surfactant has an HLB (Hydrophilic Lipophilic Balance) value of from 8.0 to 14, preferably from 9.0 to 13.5, and more preferably from 10.0 to 13.0. If two or more second nonionic surfactants are used, the HLB value is determined by the weight average of the HLB values of all the second nonionic surfactants.
  • HLB Hydrophilic Lipophilic Balance
  • the (d) second nonionic surfactant with an HLB value of from 8.0 to 14, preferably from 9.0 to 13.5, and more preferably from 10.0 to 13.0 may be chosen from:
  • surfactants that are fluid at a temperature of less than or equal to 45 °C, chosen from the esters of at least one polyol chosen from the group formed by polyethylene glycol comprising from 1 to 60 ethylene oxide units, sorbitan, glycerol comprising from 2 to 30 ethylene oxide units, polyglycerols comprising from 2 to 12 glycerol units, and of at least one fatty acid comprising at least one saturated or unsaturated, linear or branched C -C 22 alkyl chain,
  • surfactants that are solid at a temperature of less than or equal to 45°C, chosen from fatty esters of glycerol, fatty esters of sorbitan and oxyethylenated fatty esters of sorbitan, ethoxylated fatty ethers and ethoxylated fatty esters,
  • the surfactants (1) that are fluid at a temperature of less than or equal to 45°C may be, in particular:
  • glyceryl laurate comprising 2 glycerol units, sold by the company Solvay;
  • sorbitan isostearate sold under the name Nikkol SI 10R by the company Nikko; and ct-butylglucoside cocoate or -butylglucoside caprate, sold by the company Ulice.
  • the (2) mixed esters of fatty acid or of fatty alcohol, of carboxylic acid and of glycerol, which can be used as the above second nonionic surfactant, may be chosen in particular from the group comprising mixed esters of fatty acid or of fatty alcohol with an alkyl chain containing from 8 to 22 carbon atoms, and of cc-hydroxy acid and/or of succinic acid, with glycerol.
  • the a-hydroxy acid may be, for example, citric acid, lactic acid, glycolic acid or malic acid, and mixtures thereof.
  • the alkyl chain of the fatty acids or alcohols from which are derived the mixed esters which can be used in the nanoemulsion of the invention may be linear or branched, and saturated or unsaturated. They may especially be stearate, isostearate, linoleate, oleate, behenate, arachidonate, palmitate, myristate, laurate, caprate, isostearyl, stearyl, linoleyl, oleyl, behenyl, myristyl, lauryl or capryl chains, and mixtures thereof.
  • mixed esters which can be used in the nanoemulsion of the invention, mention may be made of the mixed ester of glycerol and of the mixture of citric acid, lactic acid, linoleic acid and oleic acid (CTFA name: Glyceryl citrate/lactate/linoleate/oleate) sold by the company Huls under the name Imwitor 375; the mixed ester of succinic acid and of isostearyl alcohol with glycerol (CTFA name: Isostearyl diglyceryl succinate) sold by the company Hills under the name Imwitor 780 K; the mixed ester of citric acid and of stearic acid with glycerol (CTFA name: Glyceryl stearate citrate) sold by the company Huls under the name Imwitor 370; the mixed ester of lactic acid and of stearic acid with glycerol (CTFA name: Glyceryl stearate lactate) sold by the company Danisco
  • the (3) fatty acid esters of sugars which can be used as the above second nonionic surfactant, may preferably be solid at a temperature of less than or equal to 45 °C and may be chosen in particular from the group comprising esters or mixtures of esters of C 8 -C 22 fatty acid and of sucrose, of maltose, of glucose or of fructose, and esters or mixtures of esters of C 14 -C 22 fatty acid and of methylglucose.
  • the C 8 -C 22 or Q 4 -C 22 fatty acids forming the fatty unit of the esters which can be used in the present invention comprise a saturated or unsaturated linear alkyl chain containing, respectively, from 8 to 22 or from 14 to 22 carbon atoms.
  • the fatty unit of the esters may be chosen in particular from stearates, behenates, arachidonates, palmitates, myristates, laurates and caprates, and mixtures thereof. Stearates are preferably used.
  • esters or mixtures of esters of fatty acid and of sucrose, of maltose, of glucose or of fructose mention may be made of sucrose monostearate, sucrose distearate and sucrose tristearate and mixtures thereof, such as the products sold by the company Croda under the name Crodesta F50, F70, F110 and F160; and examples of esters or mixtures of esters of fatty acid and of methylglucose which may be mentioned are methylglucose polyglyceryl-3 distearate, sold by the company Goldschmidt under the name Tego-care 450. Mention may also be made of glucose or maltose monoesters such as methyl o-hexadecanoyl-6-D-glucoside and o-hexadecanoyl-6-D-maltoside.
  • the (3) fatty alcohol ethers of sugars which can be used as the above second nonionic surfactant, may be solid at a temperature of less than or equal to 45°C and may be chosen in particular from the group comprising ethers or mixtures of ethers of C 8 -C 22 fatty alcohol and of glucose, of maltose, of sucrose or of fructose, and ethers or mixtures of ethers of a Ci 4 -C 22 fatty alcohol and of methylglucose. These are in particular alkylpolyglucosides.
  • the C 8 -C 22 or C 14 -C 22 fatty alcohols forming the fatty unit of the ethers which may be used in the nanoemulsion of the invention comprise a saturated or unsaturated, linear alkyl chain containing, respectively, from 8 to 22 or from 14 to 22 carbon atoms.
  • the fatty unit of the ethers may be chosen in particular from decyl, cetyl, behenyl, arachidyl, stearyl, palmityl, myristyl, lauryl, capryl and hexadecanoyl units, and mixtures thereof, such as cetearyl.
  • alkylpolyglucosides such as decylglucoside and laurylglucoside, which is sold, for example, by the company Henkel under the respective names Plantaren 2000 and Plantaren 1200, cetostearyl glucoside optionally as a mixture with cetostearyl alcohol, sold for example, under the name
  • Montanov 68 by the company SEPPIC under the name Tego-care CG90 by the company Goldschmidt and under the name Emulgade KE3302 by the company Henkel, as well as arachidyl glucoside, for example in the form of a mixture of arachidyl alcohol and behenyl alcohol and arachidyl glucoside, sold under the name Montanov 202 by the company
  • the surfactant used more particularly is sucrose monostearate, sucrose distearate or sucrose tristearate and mixtures thereof, methylglucose polyglyceryl-3 distearate and
  • the (4) fatty esters of glycerol which may be used as the above second nonionic surfactant, which are solid at a temperature of less than or equal to 45°C, may be chosen in particular from the group comprising esters formed from at least one acid comprising a saturated linear alkyl chain containing from 12 to 22 carbon atoms and from 1 to 12 glycerol units.
  • esters formed from at least one acid comprising a saturated linear alkyl chain containing from 12 to 22 carbon atoms and from 1 to 12 glycerol units may be used in the present invention.
  • esters may be chosen in particular from stearates, behenates, arachidates and palmitates, and mixtures thereof. Stearates and palmitates are preferably used.
  • Polyglyceryl-10 pentastearate such as the products sold under the respective names Nikkol Decaglyn 1-S, 2-S, 3-S and 5-S by the company Nikko, and diglyceryl monostearate (CTFA name: Polyglyceryl-2 stearate), such as the product sold by the company Nikko under the name Nikkol DGMS.
  • CTFA name Polyglyceryl-2 stearate
  • the (4) fatty esters of sorbitan which may be used as the above second nonionic surfactant, which are solid at a temperature of less than or equal to 45 °C, may be chosen from the group comprising C 16 -C 22 fatty acid esters of sorbitan and oxyethylenated C 16 -C 22 fatty acid esters of sorbitan. They are formed from at least one fatty acid comprising at least one saturated linear alkyl chain containing, respectively, from 16 to 22 carbon atoms, and from sorbitol or from ethoxylated sorbitol.
  • the oxyethylenated esters generally comprise from 1 to 100 ethylene glycol units and preferably from 2 to 40 ethylene oxide (EO) units.
  • esters may be chosen in particular from stearates, behenates, arachidates, palmitates, and mixtures thereof. Stearates and palmitates are preferably used.
  • CTFA name sorbitan monostearate
  • Span 60 sorbitan monopalmitate
  • CTFA name: sorbitan palmitate sold by the company ICI under the name Span 40
  • sorbitan tristearate 20 EO (CTFA name: polysorbate 65), sold by the company ICI under the name Tween 65.
  • the (4) ethoxylated fatty ethers that are solid at a temperature of less than or equal to 45 °C which may be used as the above second nonionic surfactant, are preferably ethers formed from 1 to 100 ethylene oxide units and from at least one fatty alcohol chain containing from 16 to 22 carbon atoms.
  • the fatty chain of the ethers may be chosen in particular from behenyl, arachidyl, stearyl and cetyl units, and mixtures thereof, such as cetearyl.
  • ethoxylated fatty ethers which may be mentioned are behenyl alcohol ethers comprising 5, 10, 20 and 30 ethylene oxide units (CTFA names: beheneth-5, beheneth-10, beheneth-20, beheneth-30), such as the products sold under the names Nikkol BB5, BB10, BB20 and BB30 by the company Nikko, and stearyl alcohol ether comprising 2 ethylene oxide units (CTFA name: steareth-2), such as the product sold under the name Brij 72 by the company ICI.
  • CTFA names behenyl alcohol ethers comprising 5, 10, 20 and 30 ethylene oxide units
  • CTFA names: beheneth-5, beheneth-10, beheneth-20, beheneth-30 such as the products sold under the names Nikkol BB5, BB10, BB20 and BB30 by the company Nikko
  • CTFA name: steareth-2 stearyl alcohol ether comprising 2 ethylene oxide units
  • the (4) ethoxylated fatty esters that are solid at a temperature of less than or equal to 45°C, which may be used as the above second nonionic surfactant, are esters formed from 1 to 100 ethylene oxide units and from at least one fatty acid chain containing from 16 to 22 carbon atoms.
  • the fatty chain in the esters may be chosen in particular from stearate, behenate, arachidate and palmitate units, and mixtures thereof.
  • ethoxylated fatty esters which may be mentioned are the ester of stearic acid comprising 40 ethylene oxide units, such as the product sold under the name Myrj 52 (CTFA name: PEG-40 stearate) by the company ICI, as well as the ester of behenic acid comprising 8 ethylene oxide units (CTFA name:
  • PEG-8 behenate such as the product sold under the name Compritol HD5 ATO by the company Gattefosse.
  • the (5) block copolymers of ethylene oxide (A) and of propylene oxide (B), which may be used as surfactants in the nanoemulsion according to the invention, may be chosen in particular from block copolymers of formula (I):
  • the (6) polyoxyethylenated (1-40 EO) and polyoxypropylenated (1-30 PO) alkyl (C 16 -C 30 ) ethers which may be used as surfactants in the nanoemulsion according to the invention, may be selected from the group consisting of: PPG-6 Decyltetradeceth-30; Polyoxyethlene (30) Polyoxypropylene (6) Tetradecyl Ether such as those sold as Nikkol PEN-4630 from Nikko Chemicals Co.,
  • PPG-6 Decyltetradeceth-12 Polyoxyethylene (12) Polyoxypropylene (6) Tetradecyl Ether such as those sold as Nikkol PEN-4612 from Nikko Chemicals Co.,
  • PPG-6 Decyltetradeceth-20 Polyoxyethylene (20) Polyoxypropylene (6) Decyltetradecyl Ether such as those sold as Nikkol PEN-4620 from Nikko Chemicals Co.,
  • PPG-4 Ceteth-1 Polyoxyethylene (1) Polyoxypropylene (4) Cetyl Ether such as those sold as Nikkol PBC-31 from Nikko Chemicals Co.,
  • PPG-8 Ceteth-1 Polyoxyethylene (1) Polyoxypropylene (8) Cetyl Ether such as those sold as Nikkol PBC-41 from Nikko Chemicals Co.,
  • PPG-4 Ceteth-10 Polyoxyethylene (10) Polyoxypropylene (4) Cetyl Ether such as those sold as Nikkol PBC-33 from Nikko Chemicals Co.,
  • PPG-23 Steareth-34 Polyoxyethylene Polyoxypropylene Stearyl Ether (34 EO) (23 PO) such as those sold as Unisafe 34S-23 from Pola Chemical Industries. They can provide a composition with stability for a long time, even though the temperature of the composition is increased and decreased in a relatively short period of time.
  • polyoxyethylenated (1-40 EO) and polyoxypropylenated (1-30 PO) alkyl (Ci 6 -C 30 ) ethers are (15-40 EO) and polyoxypropylenated (5-30 PO) alkyl (C 16 -C 2 ) ethers, which could be selected from the group consisting of PPG-6 Decyltetradeceth-30, PPG-13 Decyltetradeceth-24, PPG-6 Decyltetradeceth-20, PPG-5 Ceteth-20, PPG-8 Ceteth-20, and PPG-23 Steareth-34.
  • polyoxyethylenated (1-40 EO) and polyoxypropylenated (1-30 PO) alkyl (Ci 6 -C 30 ) ethers are (15-40 EO) and polyoxypropylenated (5-30 PO) alkyl (C 16 -C 24 ) ethers, which could be selected from the group consisting of PPG-6 Decyltetradeceth-30, PPG-13 Decyltetradeceth-24, PPG-5 Ceteth-20, and PPG-8 Ceteth-20. They can also provide a composition with transparency for a long time.
  • silicone surfactants which can be used according to the present invention, mention may be made of those disclosed in documents US-A-5364633 and US-A-5411744.
  • the (7) silicone surfactant as the above second nonionic surfactant may preferably be a compound of formula (I): in which:
  • Ri, R 2 and R 3 independently of each other, represent a Ci-C 6 alkyl radical or a radical
  • R 2 or R 3 not being an alkyl radical
  • R4 being a hydrogen, an alkyl radical or an acyl radical
  • A is an integer ranging from 0 to 200;
  • B is an integer ranging from 0 to 50; with the proviso that A and B are not simultaneously equal to zero;
  • x is an integer ranging from 1 to 6;
  • y is an integer ranging from 1 to 30;
  • z is an integer ranging from 0 to 5.
  • the alkyl radical is a methyl radical
  • x is an integer ranging from 2 to 6
  • y is an integer ranging from 4 to 30.
  • silicone surfactants of formula (I) mention may be made of the compounds of formula (II):
  • silicone surfactants of formula (I) mention may also be made of the compounds of formula (III):
  • the compound Q4-3667 is a compound of formula (III) in which A is 15 and y is 13. It is preferable that the (d) second nonionic surfactant with an HLB value of from 8.0 to 14, preferably from 9.0 to 13.5, and more preferably from 10.0 to 13.0 be chosen from:
  • polyethylene glycol isostearate or oleate (8 to 10 mol of ethylene oxide),
  • polyglyceryl monolaurate or dilaurate comprising 3 to 6 glycerol units
  • polyglyceryl mono(iso)stearate comprising 3 to 6 glycerol units
  • polyglyceryl monooleate comprising 3 to 6 glycerol units
  • polyglyceryl dioleate comprising 3 to 6 glycerol units.
  • the (d) second nonionic surfactant with an HLB value of from 8.0 to 14, preferably from 9.0 to 13.5, and more preferably from 10.0 to 13.0 is selected from polyglyceryl fatty acid esters and mono- or poly-oxyalkylenated fatty acid esters.
  • the polyglyceryl fatty acid ester comprise esters of a fatty acid and polyglycerine containing 70% or more of polyglycerine whose polymerization degree is 4 or more, preferably esters of a fatty acid and polyglycerine containing equal to or more than 60% of polyglycerine whose polymerization degree is between 4 and 11, and more preferably esters of a fatty acid and polyglycerine containing equal to or more than 30% of polyglycerine whose polymerization degree is 5.
  • the polyglyceryl fatty acid ester may be chosen from the mono, di and tri esters of saturated or unsaturated acid, preferably saturated acid, including 2 to 30 carbon atoms, preferably 6 to 30 carbon atoms, and more preferably 8 to 30 carbon atoms, such as lauric acid, oleic acid, stearic acid, isostearic acid, capric acid, caprylic acid, and myristic acid.
  • the polyglyceryl fatty acid ester be selected from the group consisting of polyglyceryl (PG)-4 laurate, PG-5 laurate, PG5 dilaurate, PG-5 oleate, PG-5 dioleate, PG-6 tricaprylate, PG-5 myristate, PG-5 trimyristate, PG-5 stearate, PG5 isostearate, PG-5 trioleate, PG-6 caprylate, and PG-6 tricaprylate.
  • PG polyglyceryl
  • the mono- or poly-oxyalkylenated fatty acid ester have a
  • (poly)oxyalkylene moiety derived from 1 to 20 oxyalkylenes, preferably from 3 to
  • the oxyalkylene moiety may be derived from alkylene glycols such as ethyleneglycol, propylene glycol, butyleneglycol, pentyleneglycol, hexyleneglycol, and the like.
  • the oxyalkylene moiety may contain a number of moles of ethylene oxide and/or of propylene oxide of between 1 and 100 and preferably between 2 and 50.
  • the second nonionic surfactants do not comprise any oxypropylene units.
  • the mono- or poly-oxyalkylenated fatty acid ester may be chosen from the mono and di esters of saturated or unsaturated acid, preferably saturated acid, including 2 to 30 carbon atoms, preferably 6 to 30 carbon atoms, and more preferably 8 to 30 carbon atoms, such as lauric acid, oleic acid, stearic acid, isostearic acid, capric acid, caprylic acid, and myristic acid.
  • Examples of mono- or poly-oxyalkylenated fatty acid esters that may be mentioned include esters of saturated or unsaturated, linear or branched, C2-C 30 , preferably C 6 -C 30 and more preferably C 8 -C 22 acids and of polyethylene glycols.
  • Examples of mono- or poly-oxyalkylenated fatty acid esters that may be mentioned include the adducts of ethylene oxide with esters of lauric acid, myristic acid, palmitic acid, stearic acid, isostearic acid, oleic acid or behenic acid, and mixtures thereof, especially those containing from 8 to 20 oxyethylene groups, such as PEG-8 to PEG-20 laurate (as the CTFA names: PEG-8 laurate to PEG-20 laurate); PEG-8 to PEG-20 myristate (as the CTFA names: PEG-8 mysistate to PEG-20 mysistate); PEG-8 to PEG-20 palmitate (as the CTFA names: PEG-8 palmitate to PEG-20 palmitate); PEG-8 to PEG-20 stearate (as the CTFA names: PEG-8 stearate to PEG-20 stearate); PEG-8 to PEG-20 isostearate (as the CTFA names: PEG-8 isostearate to
  • polyglycol fatty acid ester be selected from the group consisting of PEG-8 isostearate, PEG-8 stearate, PEG10 isostearate, PEG10 oleate, PEG10 isocetyl ether, PEG10 behenyl ether or PEG 10 isostearyl ether and a mixture thereof.
  • Preferred second nonionic surfactants are polyglyceryl fatty acid esters.
  • the amount in the composition according to the present invention of the (d) second nonionic surfactant with an HLB value of from 8.0 to 14, preferably from 9.0 to 13.5, and more preferably from 10.0 to 13.0, is not limited, and may range from 0.01 to 30% by weight, preferably from 0.1 to 20% by weight, and more preferably from 0.5 to 10% by weight, relative to the total weight of the composition.
  • the weight ratio of the (d) second nonionic surfactant to the (a) oil may be 2 or less, preferably from 1.5 or less, and more preferably from 1.0 or less.
  • composition according to the present invention comprises water.
  • the amount of water is not limited, and may be from 40 to 95% by weight, preferably from 50 to 90% by weight, and more preferably from 60 to 85% by weight, relative to the total weight of the composition.
  • composition according to the present invention may further comprise at least one nonionic surfactant different from the above (b) or (d) and/or at least one additional ionic surfactant.
  • additional surfactant may be used, but two or more different types of additional surfactant may be used in combination.
  • At least one nonionic surfactant with an HLB value less than 8.0 or more than 14.0 may be used.
  • the additional nonionic surfactant mention may be made of those listed for the above (b) and (d) except that the additional nonionic surfactant has an HLB value less than 8.0, preferably less than 9.0, and more preferably less than 10.0, and more than 14.0, preferably more than 13.5, and more preferably more than 13.0.
  • the additional surfactant at least one ionic surfactant may be used.
  • the ionic surfactant can be selected from cationic surfactants, anionic surfactants, and amphoteric surfactants. It is preferable that the ionic surfactant be selected from anionic surfactants.
  • the cationic surfactant is not limited.
  • the cationic surfactant may be selected from the group consisting of optionally polyoxyalkylenated, primary, secondary or tertiary fatty amine salts, quaternary ammonium salts, and mixtures thereof.
  • quaternary ammonium salts examples include, but are not limited to:
  • Ri, R 2 , R 3 , and R 4 which may be identical or different, are chosen from linear and branched aliphatic radicals comprising from 1 to 30 carbon atoms and optionally comprising heteroatoms such as oxygen, nitrogen, sulfur and halogens.
  • the aliphatic radicals may be chosen, for example, from alkyl, alkoxy, C 2 -C 6 polyoxyalkylene, alkylamide,
  • quaternary ammonium salts comprising at least one ester function.
  • quaternary ammonium salts mentioned above that may be used in compositions according to the invention include, but are not limited to tetraalkylammonium chlorides, for instance dialkyldimethylammonium and alkyltrimethylammonium chlorides in which the alkyl radical comprises from about 12 to 22 carbon atoms, such as
  • the cationic surfactant that may be used in the compositions of the invention is chosen from quaternary ammonium salts, for example from
  • palmitylamidopropyltrimethylammonium chloride and stearamidopropyldimethylamine.
  • the anionic surfactant is not limited.
  • the anionic surfactants may be chosen in particular from anionic derivatives of proteins of vegetable origin or of silk proteins, phosphates and alkyl phosphates, carboxylates, sulphosuccinates, amino acid derivatives, alkyl sulphates, alkyl ether sulphates, sulphonates, isethionates, taurates, alkyl sulphoacetates, polypeptides, anionic derivatives of alkyl polyglucosides, and their mixtures.
  • Anionic derivatives of proteins of vegetable origin are protein hydrolysates comprising a hydrophobic group, it being possible for the said hydrophobic group to be naturally present in the protein or to be added by reaction of the protein and/or of the protein hydrolysate with a hydrophobic compound.
  • the proteins are of vegetable origin or derived from silk, and the hydrophobic group can in particular be a fatty chain, for example an alkyl chain comprising from 10 to 22 carbon atoms. Mention may more particularly be made, as anionic derivatives of proteins of vegetable origin, of apple, wheat, soybean or oat protein hydrolysates comprising an alkyl chain having from 10 to 22 carbon atoms, and their salts.
  • the alkyl chain can in particular be a lauryl chain and the salt can be a sodium, potassium and/or ammonium salt.
  • protein hydrolysates comprising a hydrophobic group
  • salts of protein hydrolysates where the protein is a silk protein modified by lauric acid, such as the product sold under the name Kawa Silk by Kawaken
  • salts of protein hydrolysates where the protein is a wheat protein modified by lauric acid, such as the potassium salt sold under the name Aminofoam W OR by Croda (CTFA name: potassium lauroyl wheat amino acids) and the sodium salt sold under the name Proteol LW 30 by Seppic (CTFA name: sodium lauroyl wheat amino acids)
  • salts of protein hydrolysates where the protein is an oat protein comprising an alkyl chain having from 10 to 22 carbon atoms and more especially salts of protein hydrolysates where the protein is an oat protein modified by lauric acid, such as the sodium salt sold under the name Proteol OAT (30% aqueous solution) by Seppic
  • CTFA name sodium lauroyl oat
  • hydrolysates comprising an alkyl chain having from 10 to 22 carbon atoms, such as the sodium salt sold under the name Proteol APL (30% aqueous/glycol solution) by Seppic (CTFA name: sodium cocoyl apple amino acids). Mention may also be made of the mixture of lauroyl amino acids (aspartic acid, glutamic acid, glycine, alanine) neutralized with sodium N-methylglycinate sold under the name Proteol SAV 50 S by Seppic (CTFA name: sodium cocoyl amino acids).
  • phosphates and alkyl phosphates for example, of monoalkyl phosphates and dialkyl phosphates, such as lauryl monophosphate, sold under the name MAP 20® by Kao Chemicals, the potassium salt of dodecyl phosphate, the mixture of mono- and diesters (predominantly diester) sold under the name Crafol AP-31® by Cognis, the mixture of octyl phosphate monoester and diester, sold under the name Crafol AP-20® by Cognis, the mixture of ethoxylated (7 mol of EO) 2-butyloctyl phosphate monoester and diester, sold under the name Isofol 12 7 EO-Phosphate Ester® by Condea, the potassium or triethanolamine salt of mono(C 12 -C 13 )alkyl phosphate, sold under the references Arlatone MAP 230K-40® and Arlatone
  • amido ether carboxylates such as sodium lauryl amido ether carboxylate (3 EO), sold under the name Akypo Foam 30® by Kao Chemicals;
  • polyoxyethylenated carboxylic acid salts such as oxyethylenated (6 EO) sodium lauryl ether carboxylate (65/25/10 C 12 -C 14 -C 16 ), sold under the name Akypo Soft 45 NV® by Kao Chemicals, polyoxyethylenated and carboxymethylated fatty acids originating from olive oil, sold under the name Olivem 400® by Biologia E
  • Tecnologia or oxyethylenated (6 EO) sodium tridecyl ether carboxylate, sold under the name Nikkol ECTD-6NEX® by Nikkol; and
  • salts of fatty acids having a C 6 to C 22 alkyl chain which are neutralized with an organic or inorganic base, such as potassium hydroxide, sodium hydroxide, triethanolamine, N-methylglucamine, lysine and arginine.
  • amino acid derivatives of alkali salts of amino acids, such as:
  • sarcosinates such as sodium lauroyl sarcosinate, sold under the name Sarkosyl NL 97® by Ciba or sold under the name Oramix L 30® by Seppic, sodium myristoyl sarcosinate, sold under the name Nikkol Sarcosinate MN® by Nikkol, or sodium palmitoyl sarcosinate, sold under the name Nikkol Sarcosinate PN® by Nikkol; alaninates, such as sodium N-lauroyl-N-methylamidopropionate, sold under the name Sodium Nikkol Alaninate LN 30® by Nikkol or sold under the name Alanone ALE® by Kawaken, or triethanolamine N-lauroyl-N-methylalanine, sold under the name Alanone ALTA® by Kawaken;
  • glutamates such as triethanolamine monococoyl glutamate, sold under the name Acylglutamate CT-12® by Ajinomoto, triethanolamine lauroyl glutamate, sold under the name Acylglutamate LT-12® by Ajinomoto;
  • aspartates such as the mixture of triethanolamine N-lauroyl aspartate and triethanolamine N-myristoyl aspartate, sold under the name Asparack® by Mitsubishi;
  • glycine derivatives such as sodium N-cocoyl glycinate, sold under the names Amilite GCS-12® and Amilite GCK 12 by Ajinomoto;
  • citrates such as the citric monoester of oxyethylenated (9 mol) coco alcohols, sold under the name Wltconol EC 1129 by Goldschmidt; and
  • galacturonates such as sodium dodecyl D-galactoside uronate, sold by Soliance.
  • sulphosuccinates for example, of oxyethylenated (3 EO) lauryl (70/30 C 12 /C 14 ) alcohol monosulphosuccinate, sold under the names Setacin 103 Special® and Rewopol SB-FA 30 K 4® by Witco, the disodium salt of a hemisulphosuccinate of Ci 2 -C 14 alcohols, sold under the name Setacin F Special Paste® by Zschimmer Schwarz, oxyethylenated (2 EO) disodium oleamidosulphosuccinate, sold under the name Standapol SH 135® by Cognis, oxyethylenated (5 EO) lauramide monosulphosuccinate, sold under the name Lebon A-5000® by Sanyo, the disodium salt of oxyethylenated (10 EO) lauryl citrate monosulphosuccinate, sold under the name Rewopol SB CS 50® by
  • polydimethylsiloxane sulphosuccinates such as disodium PEG- 12 dimethicone sulphosuccinate, sold under the name Mackanate-DC 30 by Maclntyre. 6)
  • alkyl sulphates for example, of triethanolamine lauryl sulphate (CTFA name: TEA lauryl sulphate), such as the product sold by Huntsman under the name Empicol TL40 FL or the product sold by Cognis under the name Texapon T42, which products are at 40% in aqueous solution.
  • CTFA name ammonium lauryl sulphate
  • the product sold by Huntsman under the name Empicol AL 30FL which is at 30% in aqueous solution.
  • alkyl ether sulphates for example, of sodium lauryl ether sulphate (CTFA name: sodium laureth sulphate), such as that sold under the names Texapon N40 and Texapon AOS 225 UP by Cognis, or ammonium lauryl ether sulphate (CTFA name: ammonium laureth sulphate), such as that sold under the name Standapol EA-2 by Cognis.
  • CFA name sodium lauryl ether sulphate
  • CTFA name ammonium laureth sulphate
  • cocoylisethionate such as the product sold under the name Jordapon CI P® by Jordan.
  • N-acyl-N-methyltaurates such as sodium N-cocoyl-N-methyltaurate, sold under the name Hostapon LT-SF® by Clariant or sold under the name Nikkol CMT-30-T® by Nikkol, sodium palmitoyl methyltaurate, sold under the name Nikkol PMT® by Nikkol, or sodium steraroyl
  • alkyl polyglucosides can in particular be citrates, tartrates, sulphosuccinates, carbonates and glycerol ethers obtained from alkyl polyglucosides.
  • cocoylpolyglucoside (1,4) sulphosuccinic ester sold under the name Essai 512 MP® by Seppic, or the sodium salt of cocoylpolyglucoside (1,4) citric ester, sold under the name Eucarol AGE-EC® by Cesalpinia.
  • anionic surfactant be selected from taurate or glutamate, more preferably N-acyl-N-methyltaurate, and even more preferably sodium
  • the amino acid derivatives be acyl glycine derivatives or glycine derivatives, in particular acyl glycine salt.
  • the acyl glycine derivatives or glycine derivatives can be chosen from acyl glycine salts (or acyl glycinates) or glycine salts (or glycinates), and in particular from the following. i) Acyl glycinates of formula (I): R-HNCH 2 COOX (I) in which
  • X represents a cation chosen, for example, from the ions of alkali metals, such as Na, Li or K, preferably Na or K, the ions of alkaline earth metals, such as Mg, ammonium groups and their mixtures.
  • the acyl group can in particular be chosen from the lauroyl, myristoyl, behenoyl, palmitoyl, stearoyl, isostearoyl, olivoyl, cocoyl or oleoyl groups and their mixtures.
  • R is a cocoyl group.
  • Ri represents a saturated or unsaturated, linear or branched, hydrocarbon chain comprising from 10 to 30 carbon atoms, preferably from 12 to 22 carbon atoms and better still from 16 to 20 carbon atoms; is advantageously chosen from the lauryl, myristyl, palmityl, stearyl, cetyl, cetearyl or oleyl groups and their mixtures and preferably from the stearyl and oleyl groups,
  • R.2 groups which are identical or different, represent an R"OH group, R" being an alkyl group comprising from 2 to 10 carbon atoms, preferably from 2 to 5 carbon atoms.
  • sodium cocoyl glycinate such as, for example, Amilite GCS-12, sold by Ajinomoto
  • potassium cocoyl glycinate such as, for example, Amilite GCK-12 from Ajinomoto.
  • amphoteric surfactant is not limited.
  • the amphoteric or zwitterionic surfactants can be, for example (nonlimiting list), amine derivatives such as aliphatic secondary or tertiary amine, and optionally quaternized amine derivatives, in which the aliphatic radical is a linear or branched chain comprising 8 to 22 carbon atoms and containing at least one
  • water-solubilizing anionic group for example, carboxylate, sulphonate, sulphate, phosphate or phosphonate.
  • amidoaminecarboxylated derivatives mention may be made of the products sold under the name Miranol, as described in U.S. Pat. Nos. 2,528,378 and 2,781,354 and classified in the CTFA dictionary, 3rd edition, 1982 (the disclosures of which are
  • Ri denotes an alkyl radical of an acid Ri-COOH present in hydrolysed coconut oil, a heptyl, nonyl or undecyl radical,
  • R 2 denotes a beta-hydroxyethyl group
  • R 3 denotes a carboxymethyl group
  • X' denotes a -CH 2 CH 2 -COOH group, -CH 2 -COOZ', -CH 2 CH 2 -COOH, -CH 2 CH 2 -COOZ' or a hydrogen atom
  • Y' denotes -COOH, -COOZ', -CH 2 -CHOH-S0 3 Z' or a -CH 2 -CHOH-S0 3 H radical
  • Z' represents an ion of an alkaline or alkaline earth metal such as sodium, an ammonium ion or an ion issued from an organic amine, and
  • alkyl radical of an acid R -COOH present in coconut oil or in hydrolysed linseed oil an alkyl radical, such as a C 7 , C 9 , Cu or C 13 alkyl radical, a C 17 alkyl radical and its iso form, or an unsaturated C 17 radical.
  • amphoteric surfactant be selected from (C 8 -C 24 )-alkyl
  • amphomonoacetates (C 8 -C 24 )alkyl amphodiacetates, (Cg-C 24 )alkyl amphomonopropionates, and (C8-C 24 )alkyl amphodipropionates
  • Caprylamphodiacetate Disodium Capryloamphodiacetate, Disodium Cocoamphodipropionate, Disodium Lauroamphopropionate, Disodium Caprylamphodipropionate, Disodium
  • the amphoteric surfactant may be a betaine.
  • the betaine-type amphoteric surfactant is preferably selected from the group consisting of alkylbetaines, alkylamidoalkylbetaines, alkylsulfobetaines, alkylphosphobetaines, and alkylamidoalkylsulfobetaines, in particular, (C 8 -C 24 )alkylbetaines,
  • surfactants of betaine type are chosen from (C 8 -C 24 )alkylbetaines,
  • alkyl(C 8 -C 24 )phosphobetaines alkyl(C 8 -C 24 )phosphobetaines.
  • Non-limiting examples that may be mentioned include the compounds classified in the CTFA dictionary, 9th edition, 2002, under the names cocobetaine, laurylbetaine, cetylbetaine, coco/oleamidopropylbetaine, cocamido propyl betaine, palmitamido propylbetaine, stearamidopropylbetaine, cocamidoethylbetaine, cocamidopropylhydroxysultaine,
  • oleamidopropylhydroxysultaine cocohydroxysultaine, laurylhydroxysultaine, and cocosultaine, alone or as mixtures.
  • the betaine-type amphoteric surfactant is preferably an alkylbetaine and an
  • alkylamidoalkylbetaine in particular cocobetaine and cocamidopropylbetaine.
  • the amount of the additional surfactant(s) may be from 0.01 to 20% by weight, preferably from 0.05 to 10% by weight, and more preferably from 0.1 to 5% by weight, relative to the total weight of the composition.
  • composition according to the present invention may further comprise at least one thickening agent.
  • a single type of thickening agent may be used, but two or more different types of thickening agent may be used in combination.
  • the thickening agent may be selected from organic and inorganic thickeners.
  • the organic thickeners may be chosen at least one
  • nonionic homopolymers and copolymers comprising at least one of ethylenically unsaturated ester monomers and ethylenically unsaturated amide monomers;
  • the thickening agent is preferably selected from associative thickeners and polysaccharides such as starch and xanthan gum.
  • amphiphilic thickener means an amphiphilic thickener comprising both hydrophilic units and hydrophobic units, for example, comprising at least one C8-C30 fatty chain and at least one hydrophilic unit.
  • the viscosity of the composition according to the present invention is not particularly limited.
  • the viscosity can be measured at 25 °C with viscosimeters or rheometers preferably with coneplan geometry.
  • the viscosity of the composition according to the present invention can range, for example, from 1 to 2000 Pa.s, and preferably from 1 to 1000 Pa.s at 25 °C and Is "1 .
  • the thickening agent may be present in an amount ranging from 0.001 to 10% by weight, and preferably from 0.01 to 10% by weight, such as from 0.1 to 5% by weight, relative to the total weight of the composition. (Other Ingredients)
  • composition according to the present invention may also comprise an effective amount of other ingredients, known previously elsewhere compositions, such as various common adjuvants, antiageing agents, whitening agents, anti-greasy skin agents, sequestering agents such as EDTA and etidronic acid, UV screening agents, preserving agents, vitamins or provitamins, for instance, panthenol, opacifiers, fragrances, plant extracts, cationic polymers and so on.
  • the composition according to the present invention may further comprise at least one organic solvent. So the organic solvent is preferably water miscible. As the organic solvent, there may be mentioned, for example, C C 4 alkanols, such as ethanol and isopropanol; aromatic alcohols such as benzyl alcohol and phenoxyethanol; analogous products; and mixtures thereof.
  • the organic water-soluble solvents may be present in an amount ranging from less than 10% by weight, preferably from 5% by weight or less, and more preferably from 1% by weight or less, relative to the total weight of the composition.
  • the composition according to the present invention can be prepared by mixing the above essential and optional ingredients in accordance with a conventional process.
  • the conventional process includes mixing with a high pressure homogenizer (a high energy process).
  • the composition can be prepared by a low energy processes such as phase inversion temperature process (PIT), phase inversion concentration (PIC),
  • the composition is prepared by a low energy process.
  • the weight ratio of the (d) second nonionic surfactant to the (a) oil may be from 0.01 to 2, preferably from 0.1 to 1.5, and more preferably from 0.5 to 1.0.
  • the weight ratio of the (d) second nonionic surfactant/the (a) oil may be 1 or less, such as from 0.5 to 1.0, preferably from 0.4 to 0.9, and more preferably from 0.3 to 0.8.
  • the composition according to the present invention is in the form of a nano- or
  • micro-emulsion may be defined in two ways, namely, in a broader sense and in a narrower sense. That is to say, there are one case (“microemulsion in the narrow sense”) in which the microemulsion refers to a thermodynamically stable isotropic single liquid phase containing a ternary system having three ingredients of an oily component, an aqueous component and a surfactant, and the other case (“micro-emulsion in the broad sense”) in which among thermodynamically unstable typical emulsion systems the microemulsion additionally includes those such emulsions presenting transparent or translucent appearances due to their smaller particle sizes (Satoshi Tomomasa, et al, OilChemistry, Vol. 37, No. 11 (1988), pp. 48-53).
  • the "micro-emulsion” as used herein refers to a "micro-emulsion in the narrow sense," i.e., a thermodynamically stable isotropic single liquid phase.
  • the micro-emulsion refers to either one state of an O/W (oil-in-water) type microemulsion in which oil is solubilized by micelles, a W/O (water-in-oil) type microemulsion in which water is solubilized by reverse micelles, or a bicontinuous microemulsion in which the number of associations of surfactant molecules are rendered infinite so that both the aqueous phase and oil phase have a continuous structure.
  • the micro-emulsion may have a dispersed phase with a number average diameter of 100 nm or less, preferably 50 nm or less, and more preferably 20 nm or less, measured by laser granulometry.
  • nano-emulsion here means an emulsion characterized by a dispersed phase with a size of less than 350 nm, the dispersed phase being stabilized by a crown of the nonionic surfactants that may optionally form a liquid crystal phase of lamellar type, at the dispersed phase/continuous phase interface.
  • the transparency of the nano-emulsions arises from the small size of the dispersed phase, this small size being obtained by virtue of the use of mechanical energy and especially a high-pressure homogenizer.
  • Nanoemulsions can be distinguished from microemulsions by their structure. Specifically, micro-emulsions are thermodynamically stable dispersions formed from, for example, the nonionic surfactant micells swollen with the (a) oil. Furthermore, microemulsions do not require substantial mechanical energy in order to be prepared.
  • the nano-emulsion may have a dispersed phase with a number average diameter of 300 nm or less, preferably 200 nm or less, and more preferably 100 nm or less, measured by laser granulometry.
  • composition according to the present invention may be in the form of an O/W nano- or micro-emulsion, a W/O nano- or micro-emulsion or a bicontinuous emulsion. It is preferable that the composition according to the present invention be in the form of an O/W nano- or micro-emulsion.
  • composition according to the present invention be in the form of an O/W emulsion.
  • the (a) oil may be in the form of a droplet with a number average particle size of, preferably 300 nm or less, more preferably 200 nm or less, and more preferably from 100 nm or less.
  • composition according to the present invention can have a transparent or slightly translucent appearance, preferably a transparent appearance.
  • the transparency may be measured by measuring the turbidity with, for example, a 2100Q (HACH) with a round cell (25 mm in diameter X 60 mm height) and a tungsten filament lump.
  • HACH 2100Q
  • composition according to the present invention may have a turbidity of 300 or less, preferably 200 or less, and more preferably 100 or less.
  • composition according to the present invention can be used for a non-therapeutic process, such as a cosmetic process, for treating the skin, the hair, mucous membranes, the nails, the eyelashes, the eyebrows and/or the scalp, by being applied to the skin, the hair, mucous membranes, the nails, the eyelashes, the eyebrows or the scalp.
  • a non-therapeutic process such as a cosmetic process, for treating the skin, the hair, mucous membranes, the nails, the eyelashes, the eyebrows and/or the scalp, by being applied to the skin, the hair, mucous membranes, the nails, the eyelashes, the eyebrows or the scalp.
  • the composition according to the invention is a cosmetic composition.
  • the present invention also relates to use of the composition according to the present invention, as it is or in care products and/or washing products and/or make-up products and/or make-up-removing products, for body and/or facial skin and/or mucous membranes and/or the scalp and/or the hair and/or the nails and/or the eyelashes and/or the eyebrows.
  • composition according to the present invention can be used, as it is, as the above product.
  • the composition according to the present invention can be used as an element of the above product.
  • the composition according to the present invention can be added to or combined with any other elements to form the above product.
  • the care product may be a lotion, a cream, a serum, a hair tonic, a hair conditioner, a sun screening agent, and the like.
  • the washing product may be a shampoo, a face wash, a hand wash and the like.
  • the make-up product may be a foundation, a mascara, a lipstick, a lip gloss, a blusher, an eye shadow, a nail varnish, and the like.
  • the make-up-removing product may be a make-up cleansing agent and the like.
  • compositions according to Example 1 and Comparative Example 1, shown in Table 1, were prepared by mixing the components shown in Table 1 as follows:
  • the stickiness was based on the sensory evaluation of the emulsion 1 minute and 3 minutes after the application of the emulsion according to Example 1 or Comparative Example 1 to the skin according to the following score system.
  • compositions according to both Example 1 and Comparative Example 1 have transparent aspects, while the composition according to Example 1 is less sticky than the composition according to Comparative Example 1.

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Abstract

La présente invention concerne une composition sous la forme d'une nano- ou d'une micro-émulsion, comprenant : (a) au moins une huile ; (b) au moins un premier tensioactif non ionique comportant au moins une entité stérol ; (c) au moins un polyol ; (d) au moins un deuxième tensioactif non ionique différent du (b) premier agent tensioactif non ionique, avec un indice HLB compris entre 8,0 et 14,0, préférentiellement entre 9,0 et 13,5, et plus préférentiellement entre 10,0 et 13,0 ; et (e) de l'eau. La composition peut être utilisée dans un produit cosmétique et a une adhésivité contrôlée et, par conséquent, elle peut conférer d'excellentes sensations à l'utilisation, tout en pouvant se présenter sous la forme d'une nano- ou d'une micro-émulsion qui est transparente ou légèrement translucide.
PCT/JP2015/060687 2014-04-01 2015-03-31 Composition sous la forme de nano- ou de micro-émulsion WO2015152422A1 (fr)

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CN110368329A (zh) * 2019-08-22 2019-10-25 广州亦妆生物科技有限公司 一种不含硅油的均相护理组合物
CN111643376A (zh) * 2020-06-15 2020-09-11 花安堂生物科技集团有限公司 一种纳米乳液组合物及其应用
CN112707945A (zh) * 2020-12-11 2021-04-27 德仕能源科技集团股份有限公司 一种阴阳离子驱油用表面活性剂及其制备方法和应用

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KR101900808B1 (ko) 2016-11-16 2018-09-20 주식회사 엘지생활건강 고온 안정성이 우수한 나노 에멀전 조성물
KR101714618B1 (ko) * 2017-01-25 2017-03-22 루안코리아 주식회사 Pit 시스템에 의해 제조되는 수중유형 나노입자 에멀션 화장료 조성물 및 그의 제조방법
KR101719811B1 (ko) * 2017-03-02 2017-03-24 루안코리아 주식회사 피부 흡수율이 향상된 수중유형 나노입자 에멀션 화장료 조성물
KR101904155B1 (ko) * 2018-06-01 2018-10-05 주식회사 엘지생활건강 고온 안정성이 우수한 나노 에멀전 조성물
WO2023085118A1 (fr) * 2021-11-11 2023-05-19 株式会社 資生堂 Préparation cosmétique

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CN110368329B (zh) * 2019-08-22 2022-08-30 广州亦妆生物科技有限公司 一种不含硅油的均相护理组合物
CN111643376A (zh) * 2020-06-15 2020-09-11 花安堂生物科技集团有限公司 一种纳米乳液组合物及其应用
CN112707945A (zh) * 2020-12-11 2021-04-27 德仕能源科技集团股份有限公司 一种阴阳离子驱油用表面活性剂及其制备方法和应用

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