Classifications

• • 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
  • A61K8/89—Polysiloxanes
  • A61K8/896—Polysiloxanes containing atoms other than silicon, carbon, oxygen and hydrogen, e.g. dimethicone copolyol phosphate
  • A61K8/898—Polysiloxanes containing atoms other than silicon, carbon, oxygen and hydrogen, e.g. dimethicone copolyol phosphate containing nitrogen, e.g. amodimethicone, trimethyl silyl amodimethicone or dimethicone propyl PG-betaine
• • 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
  • A61K8/342—Alcohols having more than seven atoms in an unbroken chain
• • 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
  • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
  • A61K8/41—Amines
  • A61K8/416—Quaternary ammonium compounds
• • 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
  • A61K8/73—Polysaccharides
  • A61K8/737—Galactomannans, e.g. guar; Derivatives thereof
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q5/00—Preparations for care of the hair
  • A61Q5/12—Preparations containing hair conditioners
• • 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
  • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
  • A61K2800/54—Polymers characterized by specific structures/properties
  • A61K2800/542—Polymers characterized by specific structures/properties characterized by the charge
  • A61K2800/5422—Polymers characterized by specific structures/properties characterized by the charge nonionic
• • 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
  • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
  • A61K2800/54—Polymers characterized by specific structures/properties
  • A61K2800/542—Polymers characterized by specific structures/properties characterized by the charge
  • A61K2800/5426—Polymers characterized by specific structures/properties characterized by the charge cationic

Definitions

• the present invention relates to a hair conditioning composition
• a hair conditioning composition comprising: a cationic or nonionic polysaccharide polymer; an aminosilicone; a cationic surfactant; and a high melting point fatty compound.
• the composition of the present invention can provide hair volume-up benefit and ease-to-rinse feel, while providing improved conditioning benefits.
• conditioning agents such as cationic surfactants and polymers, high melting point fatty compounds, low melting point oils, silicone compounds, and mixtures thereof. Most of these conditioning agents are known to provide various conditioning benefits.
• Hair conditioning compositions comprising the conditioning agent described above can provide conditioning benefits such as softness and moisturized feel on dry hair, however, also weigh down the hair.
• the weighed down hair gives an appearance of reduced bulk hair volume.
• hair volume-up is not equal to flyaway hair. Fly-away hair is due to the increased level of static, and represents volume increase of only very minor amount of the hair as a whole, and is not desirable.
• hair volume-up as used herein relates to increase of the bulk of the hair volume. Consumers having fine hair have the desire to achieve hair volume-up while controlling undesirable fly-away of the hair.
• hair conditioning compositions providing hair volume-up benefit while providing conditioning benefits.
• hair conditioning compositions which provide improved ease- to-rinse feel, while maintaining conditioning benefits especially when forming a gel matrix comprised of cationic surfactants and high melting point fatty compounds.
• Hair conditioning compositions containing a gel matrix provide slippery feel during rinsing the hair, even after rinsing the hair.
• Ease-to-rinse feel are, for example, fast reduced slippery feel, and/or increased clean feel after starting to rinse the hair.
• Such reduced slippery feel, and/or increased clean feel can be a signal for consumers to stop rinsing the hair conditioning compositions. Consumers who prefer such signals may keep rinsing the hair treated with hair conditioning composition by a large amount of water until they feel the signals.
• Japanese Patent Laid-open 2004-143093 discloses a hair conditioning composition
• a hair conditioning composition comprising: condensed polyalcohols having a viscosity of 4-100Pa»s at 25°C; oily agents having a melting point of 30-55 0 C; silicones having amino groups or derivatives thereof; nonionic surfactants having polyoxyalkylene adjunctions; and saturated fatty alcohols, the composition being said to provide sufficient moisturization and emollient to damaged hair, while providing excellent feel such as less stickiness, less unnatural heaviness, better finger combing feel, and softness.
• Japanese Patent Laid-open 2004-143093 also disclose, in Example 21, a hair conditioning composition containing: hydroxypropyl guar; cetostearyl alcohol; stearyl trimethyl ammonium chloride; amino-modified silicone with tradename SM8704C supplied from Dow Corning Toray.
• the present invention is directed to a hair conditioning composition
• a hair conditioning composition comprising by weight: (a) from about 0.05% to about 10% of a cationic or nonionic polysaccharide polymer having a molecular weight of about 1,000,000 or more, wherein the polysaccharide polymer is selected from a cellulose, a guar gum, a cassia gum, a starch, and derivatives thereof;
• Rl a G3-a-Si-(-OSiG 2 )n-O-SiG3-a(Rl)a
• G is hydrogen, phenyl, hydroxy, or C 1 -C 8 alkyl
• a is an integer having a value from 1 to 3
• n is a number from 1 to 2,000
• Ri is a monovalent radical conforming to the general formula C q H 2q L, wherein q is an integer having a value from 2 to 8 and L is selected from the following groups: -N(R 2 )CH 2 -CH 2 -N(R 2 ) 2 ; -N(R 2 ) 2 ; -N(R 2 ) 3 A ⁇ ; -N(R 2 )CH 2 -CH 2 -NR 2 H 2 A " ; wherein R 2 is hydrogen, phenyl, benzyl, or a saturated hydrocarbon radical; A is a halide ion;
• the conditioning compositions of the present invention provide hair volume-up benefit and ease-to-rinse feel, while providing improved conditioning benefits.
• the present invention is also directed to use of a hair conditioning composition for hair volume-up, wherein the hair conditioning composition comprising by weight:
• the hair conditioning composition preferably further comprises: from about 0.1% to about 10% of an aminosilicone having a formula:
• R 1 a G 3 .a-Si-(-OSiG 2 ) n -O-SiG 3 .a(Ri)a
• G is hydrogen, phenyl, hydroxy, or Ci-Cs alkyl
• a is an integer having a value from 1 to 3
• n is a number from 1 to 2,000
• Ri is a monovalent radical conforming to the general formula C q H 2q L, wherein q is an integer having a value from 2 to 8 and L is selected from the following groups: -N(R 2 )CH 2 -CH 2 -N(Ri) 2 ; -N(R 2 ) 2 ; -N(R 2 ) 3 A ⁇ ; -N(R 2 )CH 2 -CH 2 -NR 2 H 2 A " ; wherein R 2 is hydrogen, phenyl, benzyl, or a saturated hydrocarbon radical; A is a halide ion.
• the conditioning compositions of the present invention provide hair volume-up benefit and ease-to-rinse feel, while providing improved conditioning benefits.
• the composition of the present invention when containing cationic surfactants and/or gel matrix formed by cationic surfactants and high melting point fatty compounds, is substantially free of anionic surfactants and anionic polymers, in view of avoiding undesirable interaction with cationic surfactants and/or in view of stability of the gel matrix.
• substantially free of anionic surfactants and anionic polymers means that the composition contains 1% or less, preferably 0.5% or less, more preferably totally 0% of total of anionic surfactants and anionic polymers.
• POLYSACCHARIDE POLYMER The composition of the present invention comprises a polysaccharide polymer. The polymers are included in the composition at a level by weight of from about 0.05% to about 10%, preferably from about 0.08% to about 5%, more preferably from about 0.1% to about 1%, in view of rheology.
• the polymers useful herein are cationic or nonionic, in view of avoiding undesirable interaction with cationic surfactants.
• the polymers useful herein are preferably nonionic, in view of ease-to-rinse feel.
• the polymers useful herein are those having a molecular weight of about 1,000,000 or more, preferably 1,500,000 or more, more preferably 2,000,000 or more, in view of rheology and hair volume-up benefit.
• the molecular weight is generally up to about 5,000,000, preferably to about 4,000,000 in view of water solubility.
• water-soluble polymers means that the polymers have a solubility of greater than O.lg/lOOg water, preferably 0.3g/100g water at 25°C, more preferably 0.5g/100g water at 25°C.
• the polymers useful herein are those selected from a cellulose, a guar gum, a cassia gum, a starch, and derivatives thereof.
• Such polymers include, for example, cellulose and its derivatives such as cellulose ethers including hydroxyethylcellulose and hydroxypropylcellulose, hydrophobically modified cellulose ethers such as cetyl hydroxyethylcellulose which is supplied, for example, by Hercules with a tradename Polysurf 67, quaternized celluloses, and hydrophobically modified cationic celluloses; guar polymers including cationic guar polymers and nonionic guar polymers such as Guar Gum 2-hydroxypropyl ether which is supplied, for example, by Rhodia with a tradename Jaguar HP-105; and cassia gums and cationic cassia gums.
• nonionic guar gum derivatives are preferably used among a variety of the above polymers, in view of hair volume-up benefit.
• Such derivatives useful herein are guar gums modified with C1-C6 hydroxyalkyl or alkyl groups and with fatty chains having from 8 to 30 carbon atoms such as linear or branched alkyl or alkenyl groups. It is believed that, bulkier backbones of guar gum compared to those of other polymers such as cellulose can provide a thicker polymer layer on the hair and provide hair volume-up benefit.
• the guar gum derivatives can provide a further thicker polymer layer on the hair and provide hair volume-up benefit.
• the degree of hydroxyalkylation which corresponds to the number of alkylene oxide molecules consumed by the number of free hydroxyl functions present on the guar gum, preferably ranges from 0.2 to 1.2, and more preferably ranges from 0.4 to 1.2.
• Commercially available examples of highly preferred nonionic guar derivatives include, for example, hydroxypropyl guar gum having a molecular weight of about 2,500,000, having a degree of hydroxyalkylation of about 0.6 having a tradename Jaguar HP- 105 available from Rhodia.
• compositions of the present invention comprise an amino silicone.
• the aminosilicone useful herein are those which conform to the general formula (I):
• Rl a G 3 -a-Si-(-OSiG 2 ) n -O-SiG 3 -a(Rl)a
• G is hydrogen, phenyl, hydroxy, or Ci-Cs alkyl, preferably methyl
• a is an integer having a value from 1 to 3, preferably 1
• n is a number from 1 to about 2,000, preferably from about to about 100 to 2,000, more preferably from 300 to 1,800
• Ri is a monovalent radical conforming to the general formula C q H 2q L, wherein q is an integer having a value from 2 to 8 and L is selected from the following groups: -N(R 2 )CH 2 -CH 2 -N(R 2 ) 2 ; -N(R 2 ) 2 ; -N(R 2 ) 3 A ⁇ ; -N(R 2 )CH 2 -CH 2 -NR 2 H 2 A " ; wherein R 2 is hydrogen, phenyl, benzy
• the amino silicone of the above formula can provide a good balance among hair volume-up, easy-to-rinse feel and conditioning benefits compared to other silicones, when used in the composition of the present invention.
• Such other silicones are, for example, silicones without amino substitutions and graft aminosilicones.
• the amino silicone of the above formula is used at levels by weight of the composition of from about 0.1% to about 10%, preferably from about 0.1% to about 7%, more preferably from about 0.2% to about 5%.
• Such highly preferred amino silicones can be called as terminal aminosilicones, as one or both ends of the silicone chain are terminated by nitrogen containing group.
• the above aminosilicones when incorporated into the composition, can be mixed with solvent having a lower viscosity.
• solvents include, for example, polar or non-polar, volatile or non-volatile oils.
• oils include, for example, silicone oils, hydrocarbons, and esters.
• preferred are those selected from the group consisting of non-polar, volatile hydrocarbons, volatile cyclic silicones, non-volatile linear silicones, and mixtures thereof.
• the non-volatile linear silicones useful herein are those having a viscosity of from about 1 to about 20,000 centistokes, preferably from about 20 to about 10,000 centistokes at 25°C.
• non-polar, volatile hydrocarbons especially non-polar, volatile isoparaffins
• Such mixtures have a viscosity of preferably from about 1,00OmPa-S to about 100,00OmPa-S, more preferably from about 5,00OmPa-S to about 50,00OmPa-S.
• the composition of the present invention comprises a cationic surfactant system.
• the cationic surfactant system can be one cationic surfactant or a mixture of two or more cationic surfactants.
• the cationic surfactant system is included in the composition at a level by weight of from about 0.1% to about 10%, preferably from about 0.5% to about 8%, more preferably from about 1% to about 5%, still more preferably from about 1.4% to about 4%, in view of balance among ease-to-rinse feel, rheology and wet conditioning benefits.
• a variety of cationic surfactants including mono- and di-alkyl chain cationic surfactants can be used in the compositions of the present invention.
• preferred are mono- alkyl chain cationic surfactants in view of providing desired gel matrix and wet conditioning benefits.
• the mono-alkyl cationic surfactants are those having one long alkyl chain which has from 12 to 22 carbon atoms, preferably from 16 to 22 carbon atoms, more preferably C18-22 alkyl group, in view of providing balanced wet conditioning benefits.
• the remaining groups attached to nitrogen are independently selected from an alkyl group of from 1 to about 4 carbon atoms or an alkoxy, polyoxyalkylene, alkylamido, hydroxyalkyl, aryl or alkylaryl group having up to about 4 carbon atoms.
• Such mono-alkyl cationic surfactants include, for example, mono- alkyl quaternary ammonium salts and mono-alkyl amines.
• Mono-alkyl quaternary ammonium salts include, for example, those having a non-functionalized long alkyl chain.
• Mono-alkyl amines include, for example, mono-alkyl amidoamines and salts thereof.
• Mono-long alkyl quaternized ammonium salts useful herein are those having the formula (H):
• R 75 , R 76 , R 77 and R 78 is selected from an alkyl group of from 12 to 30 carbon atoms or an aromatic, alkoxy, polyoxyalkylene, alkylamido, hydroxyalkyl, aryl or alkylaryl group having up to about 30 carbon atoms; the remainder of R 75 , R 76 , R 77 and R 78 are independently selected from an alkyl group of from 1 to about 4 carbon atoms or an alkoxy, polyoxyalkylene, alkylamido, hydroxyalkyl, aryl or alkylaryl group having up to about 4 carbon atoms; and X " is a salt-forming anion such as those selected from halogen, (e.g.
• alkyl groups can contain, in addition to carbon and hydrogen atoms, ether and/or ester linkages, and other groups such as amino groups.
• the longer chain alkyl groups e.g., those of about 12 carbons, or higher, can be saturated or unsaturated.
• one of R 75 , R 76 , R 77 and R 78 is selected from an alkyl group of from 12 to 30 carbon atoms, more preferably from 16 to 22 carbon atoms, still more preferably from 18 to 22 carbon atoms, even more preferably 22 carbon atoms; the remainder of R 75 , R 76 , R 77 and R 78 are independently selected from CH 3 , C 2 H 5 , C 2 H 4 OH, and mixtures thereof; and X is selected from the group consisting of Cl, Br, CH 3 OSO 3 , C 2 H 5 OSO 3 , and mixtures thereof.
• Examples of preferred mono-long alkyl quaternized ammonium salt cationic surfactants include: behenyl trimethyl ammonium salt; stearyl trimethyl ammonium salt; cetyl trimethyl ammonium salt; and hydrogenated tallow alkyl trimethyl ammonium salt. Among them, highly preferred are behenyl trimethyl ammonium salt and stearyl trimethyl ammonium salt.
• Mono-alkyl amines are also suitable as cationic surfactants.
• Primary, secondary, and tertiary fatty amines are useful. Particularly useful are tertiary amido amines having an alkyl group of from about 12 to about 22 carbons.
• Exemplary tertiary amido amines include: stearamidopropyldimethylamine, stearamidopropyldiethylamine, stearamidoethyldiethylamine, stearamidoethyldimethylamine, palmitamidopropyldimethylamine, palmitamidopropyldiethylamine, palmitamidoethyldiethylamine, palmitamidoethyldimethylamine, behenamidopropyldimethylamine, behenamidopropyldiethylamine, behenamidoethyldiethylamine, behenamidoethyldimethylamine, arachidamidopropyldimethylamine, arachidamidopropyldiethylamine, arachidamidoethyldiethylamine, arachidamidoethyldimethylamine, diethylaminoethylstear
• amines in the present invention are disclosed in U.S. Patent 4,275,055, Nachtigal, et al. These amines can also be used in combination with acids such as ⁇ -glutamic acid, lactic acid, hydrochloric acid, malic acid, succinic acid, acetic acid, fumaric acid, tartaric acid, citric acid, H- glutamic hydrochloride, maleic acid, and mixtures thereof; more preferably ⁇ -glutamic acid, lactic acid, citric acid.
• the amines herein are preferably partially neutralized with any of the acids at a molar ratio of the amine to the acid of from about 1 : 0.3 to about 1 : 2, more preferably from about 1 : 0.4 to about 1 : 1.
• di-alkyl chain cationic surfactants include, for example, dialkyl (14-18) dimethyl ammonium chloride, ditallow alkyl dimethyl ammonium chloride, dihydrogenated tallow alkyl dimethyl ammonium chloride, distearyl dimethyl ammonium chloride, and dicetyl dimethyl ammonium chloride.
• the high melting point fatty compound useful herein have a melting point of 25 0 C or higher, and is selected from the group consisting of fatty alcohols, fatty acids, fatty alcohol derivatives, fatty acid derivatives, and mixtures thereof. It is understood by the artisan that the compounds disclosed in this section of the specification can in some instances fall into more than one classification, e.g., some fatty alcohol derivatives can also be classified as fatty acid derivatives. However, a given classification is not intended to be a limitation on that particular compound, but is done so for convenience of classification and nomenclature.
• certain compounds having certain required carbon atoms may have a melting point of less than 25 0 C. Such compounds of low melting point are not intended to be included in this section.
• Nonlimiting examples of the high melting point compounds are found in International Cosmetic Ingredient Dictionary, Fifth Edition, 1993, and CTFA Cosmetic Ingredient Handbook, Second Edition, 1992.
• fatty alcohols are preferably used in the composition of the present invention.
• the fatty alcohols useful herein are those having from about 14 to about 30 carbon atoms, preferably from about 16 to about 22 carbon atoms. These fatty alcohols are saturated and can be straight or branched chain alcohols.
• Preferred fatty alcohols include, for example, cetyl alcohol, stearyl alcohol, behenyl alcohol, and mixtures thereof.
• High melting point fatty compounds of a single compound of high purity are preferred.
• Single compounds of pure fatty alcohols selected from the group of pure cetyl alcohol, stearyl alcohol, and behenyl alcohol are highly preferred.
• pure herein, what is meant is that the compound has a purity of at least about 90%, preferably at least about 95%.
• the high melting point fatty compound is included in the composition at a level of from about 0.1% to about 20%, preferably from about 1% to about 15%, more preferably from about 1.5% to about 8% by weight of the composition, in view of providing improved conditioning benefits such as slippery feel during the application to wet hair, softness and moisturized feel on dry hair.
• the composition of the present invention comprises a gel matrix.
• the gel matrix comprises a cationic surfactant, a high melting point fatty compound, and an aqueous carrier.
• the gel matrix is suitable for providing various conditioning benefits such as slippery feel during the application to wet hair and softness and moisturized feel on dry hair.
• the cationic surfactant and the high melting point fatty compound are contained at a level such that the weight ratio of the cationic surfactant to the high melting point fatty compound is in the range of, preferably from about 1:1 to about 1:10, more preferably from about 1:1 to about 1:6.
• AQUEOUS CARRIER The conditioning composition of the present invention comprises an aqueous carrier. The level and species of the carrier are selected according to the compatibility with other components, and other desired characteristic of the product.
• the carrier useful in the present invention includes water and water solutions of lower alkyl alcohols and polyhydric alcohols.
• the lower alkyl alcohols useful herein are monohydric alcohols having 1 to 6 carbons, more preferably ethanol and isopropanol.
• the polyhydric alcohols useful herein include propylene glycol, hexylene glycol, glycerin, and propane diol.
• the aqueous carrier is substantially water.
• Deionized water is preferably used.
• Water from natural sources including mineral cations can also be used, depending on the desired characteristic of the product.
• the compositions of the present invention comprise from about 20% to about 99%, preferably from about 30% to about 95%, and more preferably from about 80% to about 95% water.
• composition of the present invention may include other additional components, which may be selected by the artisan according to the desired characteristics of the final product and which are suitable for rendering the composition more cosmetically or aesthetically acceptable or to provide them with additional usage benefits.
• additional components generally are used individually at levels of from about 0.001% to about 10%, preferably up to about 5% by weight of the composition.
• compositions can be formulated into the present compositions.
• conditioning agents such as hydrolyzed collagen with tradename Peptein 2000 available from Hormel, vitamin E with tradename Emix-d available from Eisai, panthenol available from Roche, panthenyl ethyl ether available from Roche, hydrolyzed keratin, proteins, plant extracts, and nutrients; preservatives such as benzyl alcohol, methyl paraben, propyl paraben and imidazolidinyl urea; pH adjusting agents, such as citric acid, sodium citrate, succinic acid, phosphoric acid, sodium hydroxide, sodium carbonate; salts, in general, such as potassium acetate and sodium chloride; coloring agents, such as any of the FD&C or D&C dyes; perfumes; and sequestering agents, such as disodium ethylenediamine tetra-acetate; ultraviolet and infrared screening and absorbing agents such as octyl salicy
• compositions of the present invention may contain additional silicone compound, in addition to those described above under the title "AMINOSILICONE".
• additional silicone compounds herein can be contained at a level by weight of the composition of preferably from about 0.1% to about 10%, more preferably from about 0.1% to about 5%.
• the silicone compounds useful herein, as a single compound, as a blend or mixture of at least two silicone compounds, or as a blend or mixture of at least one silicone compound and at least one solvent, have a viscosity of preferably from about 1,000 to about 2,000,000mPa»s at 25°C.
• Suitable silicone fluids include polyalkyl siloxanes, polyaryl siloxanes, polyalkylaryl siloxanes, polyether siloxane copolymers, amino substituted silicones, quaternized silicones, and mixtures thereof. Other nonvolatile silicone compounds having conditioning properties can also be used.
• the above polyalkylsiloxanes are available, for example, as a mixture with silicone compounds having a lower viscosity.
• Such mixtures useful herein include, for example, a blend of dimethicone having a viscosity of 18,000,000mPa»s and dimethicone having a viscosity of 200mPa»s available from GE Toshiba, and a blend of dimethicone having a viscosity of 18,000,000mPa»s and cyclopentasiloxane available from GE Toshiba.
• Low melting point oils useful herein are those having a melting point of less than 25 0 C.
• the low melting point oil useful herein is selected from the group consisting of: hydrocarbon having from 10 to about 40 carbon atoms; unsaturated fatty alcohols having from about 10 to about 30 carbon atoms such as oleyl alcohol; unsaturated fatty acids having from about 10 to about 30 carbon atoms; fatty acid derivatives; fatty alcohol derivatives; ester oils such as pentaerythritol ester oils, trimethylol ester oils, citrate ester oils, and glyceryl ester oils; poly OC- olefin oils; and mixtures thereof.
• Preferred low melting point oils herein are selected from the group consisting of: ester oils such as pentaerythritol ester oils, trimethylol ester oils, citrate ester oils, and glyceryl ester oils; poly ⁇ -olefin oils; and mixtures thereof.
• Particularly useful pentaerythritol ester oils and trimethylol ester oils herein include pentaerythritol tetraisostearate, pentaerythritol tetraoleate, trimethylolpropane triisostearate, trimethylolpropane trioleate, and mixtures thereof.
• Particularly useful citrate ester oils herein include triisocetyl citrate, triisostearyl citrate, and trioctyldodecyl citrate.
• Particularly useful glyceryl ester oils herein include triisostearin, triolein, and trilinolein.
• Particularly useful poly oc-olefin oils herein include polydecenes with tradenames PURESYN 6 having a number average molecular weight of about 500 and PURESYN 100 having a number average molecular weight of about 3000 and PURESYN 300 having a number average molecular weight of about 6000 available from Exxon Mobil Co.
• Cationic conditioning polymer
• Cationic conditioning polymers useful herein are those having an average molecular weight of at least about 5,000, typically from about 10,000, preferably from about 100,000 to about 2 million. Cationic conditioning polymers useful herein are not polymers described above under the tile "POLYSACCHARIDE POLYMER".
• Suitable cationic polymers include, for example, copolymers of vinyl monomers having cationic amine or quaternary ammonium functionalities with water soluble spacer monomers such as acrylamide, methacrylamide, alkyl and dialkyl acrylamides, alkyl and dialkyl methacrylamides, alkyl acrylate, alkyl methacrylate, vinyl caprolactone, and vinyl pyrrolidone.
• suitable spacer monomers include vinyl esters, vinyl alcohol (made by hydrolysis of polyvinyl acetate), maleic anhydride, propylene glycol, and ethylene glycol.
• the conditioning compositions of the present invention can be in the form of rinse-off products or leave-on products, and can be formulated in a wide variety of product forms, including but not limited to creams, gels, emulsions, mousses and sprays.
• the conditioning composition of the present invention is especially suitable for rinse-off hair conditioner.
• Such compositions are preferably used by following steps: (i) after shampooing hair, applying to the hair an effective amount of the conditioning compositions for conditioning the hair; and (ii) then rinsing the hair.
• composition of the present invention for hair volume-up.
• a product for hair volume-up it is preferred that such product has at least one depiction corresponding to hair volume-up benefit.
• Such depiction includes, for example, “Volume-up”, “Shear Volume”, “Volumizing”, “Hair Fullness”, “Hair Body”, “Thicker Hair”, “Not-Weighing Down Hair”, “Expanding”, “Lighter Hair”, “Bouncy”, “Airy”, and “Lift From Roots”.
• compositions are identified by chemical or CTFA name, or otherwise defined below.
• Polysaccharide polymer- 1 hydroxypropyl guar polymer having a molecular weight of about 2,500,000 and having a degree of substitution of 0.6, available from Rhodia with a tradename Jaguar HP- 105.
• Polysaccharide polymer- 2 guar hydroxypropyltrimonium chloride having a molecular weight of 2,200,000 and having a charge density of 0.6, available from Rhodia with a tradename Jaguar C 17.
• Polysaccharide polymer- 3 guar hydroxypropyltrimonium chloride having a molecular weight of 1,200,000 and having a charge density of 0.7, available from Rhodia with a tradename Jaguar Excel.
• the conditioning compositions of "Ex. 1" through “Ex. 8" as shown above can be prepared by any conventional method well known in the art. They are suitably made as follows: Polymeric materials are added to water with agitation, and heated to about 80 0 C. Cationic surfactants and high melting point fatty compounds are added to the mixture at about 80 0 C with agitation. The mixture is cooled down to about 55°C. Aminosilicone and, if included, additional components such as perfumes and preservatives are added to the mixture with agitation. Then the mixture is cooled down to room temperature.
• Examples 1 through 8 are hair conditioning compositions of the present invention which are particularly useful for rinse-off use.
• the embodiments disclosed and represented by the previous "Ex. 1" through “Ex. 8” have many advantages. For example, they provide hair volume-up benefit and ease-to-rinse feel, while providing improved conditioning benefits.

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• 2007
  • 2007-06-29 MX MX2007015815A patent/MX2007015815A/es active IP Right Grant
  • 2007-06-29 WO PCT/IB2007/052531 patent/WO2009004404A1/en active Application Filing
  • 2007-06-29 CA CA2611244A patent/CA2611244C/en not_active Expired - Fee Related
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