MX2008007764A - Hair treatment compositions - Google Patents

Abstract

The invention provides a hair treatment composition comprising a combination of a sugar, an aliphatic amino acid and a basic amino acid. The composition is particularly suitable for the treatment of hair which is dry, damaged and/or prone to manageability problems.

Description

COMPOSITIONS FOR THE HAIR TREATMENT OF CAM NORTH The invention relates to hair treatment compositions, which comprises a combination of a sugar, an aliphatic amino acid and a basic amino acid. The compositions are particularly suitable for the treatment of hair, which is dry, damaged and / or prone to handling problems.

ANTECEDENTS AND PREVIOUS TECHNIQUE Hair can be damaged from a variety of sources. For example, environmental sources of hair damage include such as exposure to UV and chlorine. Chemical sources of hair damage include treatments such as bleaching, permanent and straightening, and too frequent washing with shampoo-based cleansing compositions based on hard surfactant. Mechanical sources of hair damage include excessive combing and brushing and prolonged use of heated appliances to dry and style the hair. Hair damage usually manifests itself in hair fiber cuticle and protein loss, hair fiber dryness, hair fiber fragility and rupture and split or split ends. Damaged, dry hair is particularly prone to manageability problems, resulting in symptoms such as "cantilever" hair, which is difficult to style or which does not retain a style, especially under conditions such as high humidity.

Various organic molecules and combinations thereof have been suggested for use in the treatment of dry, damaged and / or unmanageable hair. For example, WO 2004054526 describes compositions for the treatment of hair for the care and repair of damaged hair, and for improving the manageability of hair, comprising a disaccharide (in particular trehalose) and a diacid (in particular adipic acid). WO 2004054525 discloses compositions for the treatment of hair for the care and repair of damaged hair and for improving the manageability of hair, comprising a disaccharide (in particular trehalose) and a diol (in particular 3-methyl-1,3-butanediol). ). WO 2004006874 describes compositions for the treatment of hair to repair and prevent the main symptoms of damaged hair, comprising specific branched hydroxy and / or amine compounds (in particular, 3,3-dimethyl-1,2-butanediol). The present inventors have found that compositions for the treatment of hair comprising a combination of a sugar, an aliphatic amino acid and a basic amino acid show improved efficacy in the treatment of hair, which is dry, damaged and / or prone. to handling problems.

BRIEF DESCRIPTION OF THE INVENTION The present invention provides a composition for the treatment of hair comprising a combination of a sugar, an aliphatic amino acid and a basic amino acid. The invention also provides the use of the above composition in the treatment of dry, damaged and / or non-manageable hair. The invention also provides a method for treating hair by applying the above composition to hair.

DETAILED DESCRIPTION AND MODALI DADES PREFERI DAS Sugar The composition of the invention comprises at least one sugar. By "sugar" is meant in general monosaccharides, disaccharides and minor oligosaccharides (usually containing between 3 and 6 units of monosaccharide linked together by glycosidic linkages). Monosaccharides are preferred for use in the invention. The term "monosaccharide" (as opposed to oligosaccharide or polysaccharide) denotes a single unit, with no glycosidic connection to other such units. The monosaccharides have the molecular formula (CH20) n, where n can be any integer from 3 to 8. The monosaccharides contain from 2 to 7 hydroxyl groups, depending on the number of carbon atoms and either a ketone or an aldehyde group. Monosaccharides containing an aldehyde group are conventionally called "aldoses" and monosaccharides containing a ketone group are conventionally called "ketoses". Aldoses are preferred.

Preferred monosaccharides for use in the invention contain 4, 5, 6 or 7 carbon atoms. These are tetrosas, pentoses, hexosas and heptosas, respectively. In view of the presence of asymmetric carbons - one for the triose (monosaccharides containing 3 carbon atoms) and several for the other monosaccharides - each monosaccharide takes the form of several stereoisomers, which may be enantiomers in the case of the trioses and enantiomers and diastereoisomers in the case of the other monosaccharides. The pentoses and hexoses, which can be used in the invention, can cyclize to furanose and pyranose rings, respectively. In an aqueous medium, the pentoses and hexoses will exist mainly in cyclic form. Preferred aldoses which can be used in the invention are: erythrose and threose (which are tetrosas), ribose, arabiosa, xylose and lixose (which are pentose), and allose, altrose, glucose, mannose, gulose, idosa, galactose and talose (which are hexoses). Ketoses can also have cyclical shapes. For example, fructose may have the form of fructofuranose or fructopyranose. Mixtures of any of the materials described above can also be used in the composition of the invention. Preferably, the sugar used in the composition of the invention is an aldohexose, most preferably galactose. The total amount of sugar in compositions for treatment of the hair of the invention generally ranges from 0.01 to 10%, preferably from 0.05 to 1%, and is more preferably about 0.1% (by total sugar weight based on the total weight of the composition).

Aliphatic amino acid The composition of the invention comprises at least one aliphatic amino acid. The term "amino acid" denotes a molecule containing both an amino group and a carboxyl group. The amino acid may belong to the L or D series or it may be racemic. The term "aliphatic amino acid" denotes an amino acid having an aliphatic side chain. Examples of suitable aliphatic amino acids for use in the invention have the general formula: CH (COOH) (NHR1) (R2) wherein R1 is hydrogen or an alkyl group having an alkyl chain length of from 1 to 20 carbon atoms, and R2 is hydrogen or an alkyl group having from 1 to 4 carbon atoms. In preferred aliphatic amino acids for use in the invention, R1 is an alkyl group having from 1 to 4 carbon atoms, and R2 is selected from H, -CH3, -CH (CH3) 2, -CH2CH (CH3) 2 and -CH (CH) -CH2CH3.

Mixtures of any of the materials described above can also be used in the composition of the invention. A most preferred material is N-methyl glycine (also known as sarcosine). The total amount of amino acid in compositions for hair treatment of the invention generally ranges from 0.01 to 10%, preferably from 0.05 to 1%, and is more preferably about 0.1% (by total weight of amino acid based on weight total composition).

Basic Amino Acid The composition of the invention comprises at least one basic amino acid. The term "amino acid" denotes a molecule containing both an amino group and a carboxyl group. The amino acid can belong to the L or D series or it can be racemic. The term "basic amino acid" denotes an amino acid, which contains more basic groups (such as, amino, amidino or guanidino) than carboxylic groups. Examples of such basic amino acids are natural and non-natural diamino-monocarboxylic acids, such as, alpha.beta-diaminopropionic acid, alpha.gamma-diaminobutyric acid, lysine, arginine, histidine, p-aminophenylalanine ornithine. The basic amino acids are often isolated from natural sources in the form of salts and hydrosalts, which are also suitable for use in the invention. Such salts and hydrosalts are formed by reaction with mineral acids, such as, hydrochloric acid, phosphoric acid, carbonic acid, sulfuric acid, nitric acid and the like, or organic acids, such as, formic acid, acetic acid, lauric acid, chloroacetic acid and the like. A suitable example is arginine hydrochloride. It is also possible to employ other derivatives, such as N-substituted derivatives and peptide derivatives. These can also be used as salts or hydrosales. Examples of N-substituted derivatives are N-alkanoyl derivatives and N-alkyl derivatives. Typically, in an N-alkanoyl derivative, the alkanoyl group will have an alkyl chain length of 3 to 20 carbon atoms, preferably 4 to 10 carbon atoms, for example, N-butanoyl, N-hexanoyl and N-octanoyl. In an N-alkyl derivative, the alkyl group will usually have an alkyl chain length of from 1 to 20 carbon atoms, preferably from 1 to 4 carbon atoms, for example, methyl, ethyl and n-propyl. Examples of peptide derivatives are those in which the peptide residue comprises from 2 to 8 amino acid residues or substituted amino acid residues. Mixtures of any of the materials described above can also be used in the composition of the invention. Preferred basic amino acids for use in the invention are lysine, arginine, histidine, ornithine and mixtures thereof. The most preferred is arginine. The total amount of basic amino acid in compositions for the Hair treatment of the invention generally ranges from 0.01 to 10%, preferably from 0.05 to 1%, and is more preferably about 0.1% (by total basic amino acid weight based on the total weight of the composition).

Product form The hair treatment compositions according to the invention can suitably take the form of shampoos, conditioners, sprays, mousses, gels, waxes or lotions. Particularly preferred product forms are shampoos, post-wash conditioners (leave-on and rinse) and hair treatment products, such as oils and hair lotions.

Shampoo Compositions The shampoo compositions of the invention are generally aqueous, that is, they have water or an aqueous solution or a lyotropic liquid crystalline phase as their main component. Suitably, the shampoo composition will comprise from 50 to 98%, preferably from 60 to 90% water by weight based on the total weight of the composition. Anionic Cleaning Surfactant The shampoo compositions according to the invention will generally comprise one or more anionic cleaning surfactants, which are cosmetically acceptable and suitable for topical application to hair. Examples of suitable anionic cleaning surfactants are alkyl sulfates, alkyl ether sulphates, alkaryl sulfonates, alkanoyl isethionates, alkyl succinates, alkyl sulfosuccinates, alkyl ether sulfosuccinates, N-alkyl sarcosinates, alkyl phosphates, alkyl ether phosphates and alkyl ether carboxylic acids and salts of the same, especially its sodium, magnesium, ammonium and mono-, di- and triethanolamine salts. The alkyl and acyl groups generally contain from 8 to 18, preferably from 10 to 16, carbonaceous atoms and can be unsaturated. The alkyl ether sulfates, alkyl ether sulfosuccinates, alkyl ether phosphates and alkyl ether carboxylic acids and salts thereof may contain from 1 to 20 units of ethylene oxide or propylene oxide per molecule. Normal anionic cleaning surfactants for use in shampoo compositions of the invention include sodium oleyl succinate, ammonium lauryl sulfosuciate, sodium lauryl sulfate, sodium lauryl ether sulfate, sodium lauryl ether sulfosuccinate, ammonium lauryl sulfate, lauryl ether sulfate of ammonium, sodium dodecylbenzene sulfonate, triethanolamine dodecylbenzene sulfonate, sodium cocoyl isethionate, sodium lauryl isethionate, lauryl ether carboxylic acid and sodium N-lauryl sarcosinate. Preferred anionic cleaning surfactants are sodium lauryl sulfate, sodium lauryl ether sulfate (n) EO, (where n is from 1 to 3), sodium lauryl ether sulfonsuccinate (n) EO, (where n is from 1 to 3) , ammonium lauryl sulfate, ammonium lauryl ether sulfate (n) EO, (where n is from 1 to 3), cocoyl sodium setionate and lauryl ether carboxylic acid (n) EO (where n is from 10 to 20). Mixtures of any of the above anionic cleaning surfactants may also be suitable. The total amount of anionic cleansing surfactant in shampoo compositions of the invention generally ranges from 0.5 to 45%, preferably from 1.5 to 35%, more preferably from 5 to 20% by total weight of anionic cleansing surfactant based on weight total of the composition.

Additional ingredients Optionally, a shampoo composition of the invention may contain additional ingredients as described below to enhance consumer performance and / or acceptability.

Co-surfactant The composition may include co-surfactants, to help impart aesthetic, physical or cleansing properties to the composition. An example of a co-surfactant is a non-ionic surfactant, which can be included in an amount ranging from 0.5 to 8%, preferably from 2 to 5% by weight based on the total weight of the composition. For example, representative nonionic surfactants that can be included in shampoo compositions of the invention include condensation products of straight or branched chain alcohols, primary or secondary, aliphatic, of C8-C18 or phenols with alkylene oxides, usually ethylene oxide and generally having from 6 to 30 ethylene oxide groups. Other representative nonionic surfactants include mono- or di-alkyl alkanolamides. Examples include coconut mono- or di-ethanolamide and coconut mono-isopropanolamide. Additional nonionic surfactants, which may be included in shampoo compositions of the invention are the alkyl polyglycosides (APGs). Typically, the APG is one which comprises an alkyl group connected (optionally via a bridging group) to a block of one or more glycosyl groups. The preferred APGs are defined by the following formula: RO - (G) n wherein R is a straight or branched chain alkyl group, which may be saturated or unsaturated and G is a saccharide group. R can represent an average alkyl chain length from about C5 to about C2o. Preferably R represents an alkyl or average chain length from about C8 to about C12. Most preferably, the value of R falls between about 9.5 and about 10.5. G may be selected from residues of monosaccharides C5 or C6, and preferably is a glucoside. G can be selected from the group comprising glucose, xylose, lactose, fructose, mannose and derivatives thereof. same. Preferably G is glucose. The degree of polymerization, n, can have a value from about 1 to about 10 or more. Preferably, the value of n falls from about 1.1 to about 2. Most preferably, the value of n falls from about 1.3 to about 1.5. Suitable alkyl polyglycosides for use in the invention are commercially available and include, for example, those materials identified as: Oramix NS1 0 eg Seppic; Plantaren 1200 and Plantaren 2000, eg Henkel. Other non-ionic surfactants derived from sugars, which may be included in compositions of the invention, include the amides of C10-C8 N-alkyl (CVCe) polyhydroxy fatty acids, such as, the C12-C18 N-methyl glucamides, as it is described, for example, in WO 92 06154 and US 5 194 639 and the N-alkoxy polyhydroxy fatty acid amides, such as C 10 -C 8 N- (3-methoxypropyl) glucamide. A preferred example of a co-surfactant is an amphoteric or zwitterionic surfactant, which can be included in an amount ranging from 0.5 to about 8%, preferably from 1 to 4% by weight based on the total weight of the composition . Examples of amphoteric or zwitterionic surfactants include alkyl amine oxides, alkyl betaines, alkyl amidopropyl betaines, alkyl sulfobetaines (sultaines), alkyl glycinates, alkyl carboxyglycinates, alkyl amphoacetates, alkyl amphotropinates, alkylalanoglycinates, alkyl amidoprppyl hydroxysultaines, acyl taurates and acyl glutamates, where the alkyl and acyl groups have from 8 to 1 9 carbon atoms. Normal amphoteric and zwitterionic surfactants for use in shampoos of the invention include lauryl amine oxide, cocodimethyl sulfopropyl betaine, lauryl betaine, cocamidopropyl betaine and sodium cocoamphoacetate. A particularly preferred amphoteric or zwitterionic surfactant is cocamidopropyl betaine. Mixtures of any of the above amphoteric or zwitterionic surfactants may also be suitable. Preferred mixtures are those of cocoamidopropyl betaine with additional amphoteric or zwitterionic surfactants as described above. An additional amphoteric or zwitterionic surfactant is sodium cocoamphoacetate. The total amount of surfactant (including any co-surfactant, and / or any emulsifier) in a shampoo composition of the invention is generally from 1 to 50%, preferably from 2 to 40%, more preferably from 1.0 to 25% in total weight of surfactant based on the total weight of the composition.

Cationic Polymers Cationic polymers are preferred ingredients in a shampoo composition of the invention for enhancing conditioning performance. Suitable cationic polymers can be homopolymers, which are cationically substituted or can be formed from two or more types of monomers. The weight average molecular weight (Mw) of the polymers will generally be between 100,000 and 2 million Daltons. The polymers will have groups containing cationic nitrogen, such as protonated amino groups or quaternary ammonium, or a mixture thereof. If the molecular weight of the polymer is too low, then the conditioning effect is poor. If it is too high, then there may be problems of high extension viscosity which lead to the fibrousness of the composition when it is emptied. The group containing cationic nitrogen will generally be present as a substituent in a fraction of the total monomer units. Such polymers are described in the CTFA Cosmetic Ingredient Directory (CTFA Cosmetic Ingredients Directory), 3rd edition. The ratio of cationic to non-cationic monomer units is selected to give polymers having a cationic charge density in the required range, which is generally from 0.2 to 3.0 meq / g. The cationic charge density of the polymer is suitably determined via the Kjeldahl method as described in the US Pharmacopoeia under chemical tests for nitrogen determination. Suitable cationic polymers include, for example, copolymers of vinyl monomers having quaternary ammonium or cationic amine functionalities with water-soluble sparing monomers, such as, (meth) acrylamide, alkyl and dialkyl (meth) acrylamides, alkyl (meth) acrylate, vinyl caprolactone and vinyl pyrrolidine. The alkyl and dialkyl substituted monomers preferably have C 1 -C 7 alkyl groups, more preferably C 1-3 alkyl groups. Other suitable spacers include vinyl esters, vinyl alcohol, maleic anhydride, propylene glycol and ethylene glycol. The cationic amines can be primary, secondary or tertiary amines, depending on the particular species and the pH of the composition. In general, secondary and tertiary amines, especially tertiary, are preferred. The vinyl monomers substituted with amine and amines can be polymerized in the amine form and then converted to ammonium by quaternization. The cationic polymers may comprise mixtures of monomer units derived from amine substituted monomer and / or quaternary ammonium and / or compatible spacer monomers. Suitable cationic polymers include, for example: cationic diallyl quaternary ammonium containing polymers including, for example, dimethyldiallylammonium chloride homopolymer and copolymers of acrylamide and dimethyldiallylammonium chloride, referenced in the industry (CTFA) with Polyquaternium 6 and Polyquaternium 7, respectively; - mineral acid salts of amino-alkyl esters of homo- and co-polymers of unsaturated carboxylic acids having from 3 to 5 carbon atoms, (as described in US Pat. No. 4,009,256); - cationic polyacrylamides (as described in W095 / 2231 1).

Other cationic polymers that may be used include polymers of cationic polysaccharides, such as cationic cellulose derivatives, cationic starch derivatives and cationic guar gum derivatives. Polymers of cationic polysaccharides suitable for use in compositions of the invention include monomers of the formula: A-0- [R-N + (R1) (R2) (R3) X-], wherein: A is a residual group of anhydroglucose, such as a cellulose anhydroglucose residue or starch. R is an alkylene, oxyalkylene, polyoxyalkylene or hydroxyalkylene group or combination of the msioms. R, R2 and R3 independently represent alkyl groups, aryl, alkylaryl, arylalkyl, alkoxyalkyl or alkoxyaryl, each group containing up to about 18 carbon atoms. The total number of carbon atoms for each cationic portion (i.e., the sum of carbon atoms in R 2 and R 3) is preferably about 20 or less, and X is an anionic counterion. Another type of cationic cellulose includes the polymeric quaternary ammonium salts of hydroxyethyl cellulose which reacted with epoxide substituted with lauryl dimethyl ammonium, referred to in the industry (CTFA) as Polyquaternium 24. These materials are available from Amerchol Corporation, for example under the trade name Polymer LM-200. Other polymers of suitable cationic polysaccharides include cellulose ethers containing quaternary nitrogen (e.g., as described in U.S. Patent 3,962,418) and etherified cellulose and starch copolymers (e.g., as described in U.S. Patent 3,958,581). A particularly suitable type of cationic polysaccharide polymer that can be used is a cationic guar gum derivative, such as hydroxypropyltrimethylammonium guar chloride (commercially available from Rhodia in its trademark series JAGUAR). Examples of such materials are JUAGAR C 1 3S, JAGUAR C14, JAGUAR C1 5 and JAGUAR C 17. Mixtures of any of the above cationic polymers can be used. The cationic polymer will generally be present in a shampoo composition of the invention at levels from 0.01 to 5%, preferably from 0.05 to 1%, more preferably from 0.08 to 0.5% by total weight of cationic polymer based on the total weight of the cationic polymer. the composition.

Suspension agent Preferably, an aqueous shampoo composition of the invention further comprises a suspending agent. Suitable suspending agents are selected from polyacrylic acids, crosslinked polymers of acrylic acid, copolymers of acrylic acid with a hydrophobic monomer, copolymers of carboxylic acid-containing monomers and acrylic esters, cross-linked acid copolymers acrylic and acrylate esters, heteropolysaccharide gums and crystalline long chain acyl derivatives. The long chain acyl derivative is desirably selected from ethylene glycol stearate, fatty acid alkanolamides having from 16 to 22 carbon atoms and mixtures thereof. Ethylene glycol distearate and polyethylene glycol 3 distearate are preferred long-chain acyl derivatives, because they impart pearlescence to the composition. Polyacrylic acid is commercially available as Carbopol 420, Carbopol 488 or Carbopol 493. Acrylic acid polymers crosslinked with a polyfunctional agent can also be used; are commercially available as Carbopol 91 0, Carbopol 934, Carbopol 941 and Carbopol 980. An example of a suitable copolymer of a carboxylic acid containing monomer and esters of acrylic acid is Carbopol 1 342. All Carbopol (registered trademark) materials are available of Goodrich. Suitable crosslinked polymers of acrylic acid and acrylate esters are Pemulen TR1 or Pemulen TR2. A suitable heteropolysaccharide gum is xanthan gum, for example that available with Kelzan mu. Mixtures of any of the above suspension agents can be used. A mixture of crosslinked polymer of acrylic acid and crystalline long chain acyl derivative is preferred. The suspending agent will generally be present in a shampoo composition of the invention at levels from 0.1 to 10%, preferably from 0.5 to 6%, more preferably from 0.9. up to 4% by total weight of suspending agent based on the total weight of the composition.

Conditioning compositions Conditioning compositions will typically comprise one or more cationic conditioning surfactants, which are cosmetically acceptable and suitable for topical application to hair. Preferably, the cationic conditioning surfactants have the formula N + (R) (R2) (R3) (R4), wherein R1, R2, R3 and R4 are independently (C to C30) alkyl or benzyl. Preferably, one, two or three of R1, R2, R3 and R4 are independently (C4 to C30) alkyl and the other group (s) of R1, R2, R3 and R4 are ((- Ce) alkyl or benzyl. , one or two of R1, R2, R3 and R4 are independently (C6 to C30) alkyl and the other groups of R1, R2, R3 and R4 are (C! -Ce) alkyl or benzyl groups. comprising one or more ester linkages (-OCO- or -COO-) and / or ether (-0-) within the alkyl chain The alkyl groups may be optionally substituted with one more hydroxyl groups. linear or branched chain alkyl groups, for alkyl groups having 3 or more carbon atoms, cyclic The alkyl groups may be saturated or may contain one or more carbon-carbon double bonds (eg, oleyl) .The alkyl groups are optionally ethoxylates in the alkyl chain with one or more ethyleneoxy groups. Cationic conditioning surfactants suitable for use in conditioning compositions according to the invention include cetyltrimethylammonium chloride, behenyltrimethylammonium chloride, cetylpyridinium chloride, tetramethylammonium chloride, tetraethylammonium chloride, octyltrimethylammonium chloride, dodecyltrimethylammonium chloride, hexadecyltrimethylammonium chloride, octyldimethylbenzylammonium, decyldimethylbenzylammonium chloride, stearyldimethylbenzylammonium chloride, didodecyldimethylammonium chloride, dioctadecyldimethylammonium chloride, sebotrimethylammonium chloride, dihydrogenated tallow dimethyl ammonium chloride (for example, Arquad 2HT / 75 from Akzo Nobel), cocotrimethylammonium chloride, PEG-2 chloride -oleamonium and the corresponding hydroxides thereof. Additional suitable cationic surfactants include those materials having the CTFA designations Quaternium-5, Quaternium-31 and Quaternium-1 8. Mixtures of any of the above materials may also be suitable. A particularly useful cationic surfactant for use in conditioners according to the invention is cetyltrimethylammonium chloride, commercially available, for example, as GENAMIN CTAC, eg Hoechst Celanese. Another cationic surfactant particularly useful for use in conditioners according to the invention is behenyltrimethylammonium chloride, commercially available, for example, as GENAMIN KDMP, eg Clariant. Another example of a class of cationic conditioning surfactants suitable for use in the invention, either alone or in mixing with one or more cationic conditioning surfactants, combination of (i) and (ii) below: (i) an amidoamine corresponding to the general formula (I) R ONH (CH2) mN wherein R1 is a hydrocarbyl chain having 10 or more carbon atoms, R2 and R3 are independently selected from hydrocarbyl chains of 1 to 10 carbon atoms, and m is an integer from 1 to about 10; and (ii) an acid. As used herein, the term "hydrocarbyl chain" means an alkyl or alkenyl chain. Preferred amidoamine compounds are those corresponding to formula (I) in which R 1 is a hydrocarbyl residue having from about 1 1 to about 24 carbon atoms, R 2 and R 3 are each independently hydrocarbyl residues, preferably alkyl groups , having from 1 to about 4 carbon atoms, and m is an integer from 1 to about 4. Preferably, R2 and R3 are methyl or ethyl groups. Preferably, m is 2 or 3, ie an ethylene or propylene group.

Preferred amidoamines useful herein include stearamidopropyldimethyl amine stea ra midopropyliethylamine, stearamidoethyldiethylamine, stearamidoethyldimeti lamima pal mitamidopropylmethylmethyl, palmitamidopropylethyl tin, palmitamidoethyldiethylamine palmitamideamidoethyldimethylamido behenamidopropyldimethylamine, behena midopropildieti lamine, behenamidoeti Idieti lamina , behena midoet i Id i meti lamí na, to raquidamidopropildi meti lamina, arachido midopropildieti lamina, araquidamidoetildietilamina, araquidamidoetildimetilamina and mixtures thereof. Particularly preferred amidoamines useful herein are stearamidopropyldimethylamine, stearamidoethyldiethylamine and mixtures thereof. Commercially available amidoamines useful herein include: stearamidopropyldimethylamine under the tradenames LEXAMI NE S-1 3 available from Inolex (Fildelfia, Pennsylvania, US) and Amidoamine MSP available from Nikko (Tokyo, Japan), stearamidoethyldiethylamine under the trade name AMIDOAMINE S available from Nikko, behenamidopropyl dimethylamine with a trade name INCROMINE BB available from Croda (North Humberside, England), and several amidoamines with trade names SCHERCODINE available from Scher (Clifton New Jersey, US). The acid (ii) can be any organic or mineral acid, which is able to protonate the amidoamine in the hair treatment composition. Suitable acids useful herein they include hydrochloric acid, acetic acid, tartaric acid, fumaric acid, lactic acid, malic acid, succinic acid and mixtures thereof. Preferably, the acid is selected from the group consisting of acetic acid, tartaric acid, hydrochloric acid, fumaric acid and mixtures thereof. The main role of the acid is to protonate the amidoamine in the hair treatment composition, thereby forming a tertiary amine salt (TAS) in situ in the hair treatment composition. The TAS is in effect a non-permanent quaternary ammonium cationic surfactant or pseudo-quaternary ammonium. Suitably, the acid is included in an amount sufficient to protonate all amidoamine present, ie, at a level which is at least equimolar to the amount of amidoamine present in the composition. In conditioners of the invention, the level of cationic conditioning surfactant will generally vary from 0.01 to 10%, more preferably 0.05 to 7.5%, most preferably 0.1 to 5% by total weight of cationic conditioning surfactant based on the total weight of the composition. The conditioners of the invention will normally also incorporate a fatty alcohol. It is believed that the combined use of fatty alcohols and cationic surfactants in conditioning compositions is especially advantageous, because it leads to the formation of a lamellar phase, in which the cationic surfactant is dispersed.

Representative fatty alcohols comprise from 8 to 22 carbon atoms, more preferably 16 to 22. Fatty alcohols are compounds normally containing straight chain alkyl groups. Examples of suitable fatty alcohols include cetyl alcohol, stearyl alcohol and mixtures thereof. The use of these materials is also advantageous as they contribute to the overall conditioning properties of compositions of the invention. The level of fatty alcohol in conditioners of the invention will generally vary from 0.01 to 10%, preferably from 0.1 to 8%, more preferably from 0.2 to 7%, most preferably from 0.3 to 6% by weight of the composition. The weight ratio of cationic surfactant to fatty alcohol is suitably from 1: 1 to 1: 10, preferably from 1: 1.5 to 1: 8, optimally from 1: 2 to 1: 5. If the weight ratio of cationic surfactant to fatty alcohol is too high, this can lead to eye irritation from the composition. If it is too low, it can make the hair feel squeaky for some consumers.

Oils and hair lotions The compositions of the invention can suitably take the form of a hair oil, for pre-wash or post-wash use. Normally, hair oils will predominantly comprise water insoluble oily conditioning materials, such as triglycerides, mineral oil and mixtures thereof. The compositions of the invention may also take the form of a lotion for hair, typically for use between washes. The lotions are aqueous emulsions comprising oil-insoluble water-conditioning materials. Suitable surfactants can also be included in lotions to improve their stability to phase separation.

Silicone Conditioning Agents Compositions for hair treatment according to the invention, in particular water based shampoos and hair conditioners, preferably also will contain one or more silicone conditioning agents. Particularly preferred silicone conditioning agents are silicone emusions, such as those formed from silicones such as polydiorganosiloxanes, in particular polydimethylsiloxanes, which have the designation CTFA dimethicone, polydimethyl siloxanes having the hydroxyl end groups, which have the designation of CTFA dimethiconol, and amino-functional polydimethyl siloxanes, which have the designation CTFA amodimethicone. The emulsion droplets can usually have an average droplet diameter of Sauter (D3.2) in the composition of the invention ranging from 0.01 to 20 micrometers, more preferably from 0.2 to 10 micrometers.

A suitable method for measuring Sauter's average droplet diameter (D3.2) is by scattering laser light using an instrument such as a Malvern Mastersizer. Silicone emulsions suitable for use in compositions of the invention are available from silicone suppliers, such as Dow Corning and GE Silicones. The use of such pre-formed silicone emulsions is preferred for ease of processing and control of silicone particle size. Such pre-formed silicone emulsions will typically additionally comprise a suitable emulsifier, such as an anionic or nonionic emulsifier, a mixture thereof, and can be prepared by a chemical emulsification process, such as emulsion polymerization, or by emulsification mechanics using a high cut mixer. Pre-formed silicone emulsions having an average Sauter droplet diameter (D3.2) of less than 0.1 5 microns are generally called microemulsions. Examples of suitable preformed silicon emulsions include emulsions DC2-1 766, DC2-1784, DC-1 758, DC-1786, DC-1788 and microemulsions DC2-1865 and CD2-1870, all available from Dow Corning. These are all dimethiconol emulsions / microemulsions. Also suitable are amodimethicone emulsions, such as DC2-81 77 and DC939 (from Dow Corning) and SME253 (from GE Silicones). Also suitable are silicone emulsions, in which certain types of high molecular weight active surface block copolymers have been mixed with the emulsion droplets of silicone, as described, for example, in WO03 / 094874. In such materials, the silicone emulsion droplets are preferably formed from polydiorganosiloxanes, such as those described above. A preferred form of the active surface block copolymer is according to the following formula: HO (CH2CH20) x (CH (C H3) CH20) and (CH2CH20) x H where the average value of x is 4 or more and the average value of y is 25 or more. Another preferred form of active surface block copolymer is according to the following formula: (HO (CH2CH20) a (CH (CH3) CH20) b) 2-N-CH2-CH2-N ((OCH2CH (CH3)) b (OCH2CH2) aOH) 2 where the average value of a is 2 or more and the average value of b is 6 or more. Mixtures of any of the silicone emulsions described above can also be used. The silicone emulsions described above will generally be present in a composition of the invention at levels from 0.05 to 10%, preferably 0.05 to 5%, more preferably from 0.5 to 2% by total weight of silicone based on the total weight of the composition.

Other optional ingredients A composition of the invention may contain other ingredients to enhance consumer performance and / or acceptability. Such ingredients include fragrance, dyes and pigments, pH adjusting agents, aperollers or opacifiers, viscosity modifiers and preservatives or antimicrobials. Each of these ingredients will be present in an effective amount to achieve its purpose. In general, these opcoinal ingredients are individually included at a level of up to 5% by weight of the total composition.

Method of use The hair treatment compositions of the invention are primarily intended for topical application to the hair and / or scalp of a human subject, either in rinse or leave-on compositions, for the treatment of dry, damaged and damaged hair. / or not manageable. The invention will be further illustrated by the following non-limiting example, in which all percentages quoted are by weight based on total weight unless stated otherwise.

EXAMPLE Formulations were prepared having ingredients as shown in the following Table 1: Table 1 The formulation of Example 1 was compared against the control formulation through a variety of performance attributes, using a sensory rating methodology. Colored, bleached, colored hair ends were treated with the formulation of Example 1 and the control formulation, respectively. 12 panelists were asked to rate the treated hair tips. The tail tips treated with the formulation of Example 1 were rated by the panelists against tail tips treated with the control formulation, through the following four sensory attributes: "does not grind during rinsing", to tip in, style retention at night and "unexpanded hair". The sensory data were analyzed using a Friedman two-way ANOVA for the ratings. The results (average rating for each formulation tested) are shown in the following Table 2: Table 2 Sensory attribute Average score Average rating for control for Example 1"Does not squeak during 5.00 5.40 rinse" Pin alignment 4.08 4.64 Style retention 4. 1 2 4.72 overnight "Non-expanded hair" 4.60 4.94 The sensory attribute qualification address is as follows: "Do not squeak during rinsing": higher rating is better Pole alignment: higher rating is better Retention of this at night: higher rating is better. "Hair not expanded": higher rating is better. The results show that, compared to the control, the formulation of Example 1 performs significantly better (> 90%) on "do not grind during rinsing" during rinsing, significantly better (> 95%) on tip alignment, significantly better (> 95%) on style retention at night and significantly better (> 90%) on "non-expanded hair".

Claims (5)

REIVI N DICACIONES

1 . A composition for hair treatment comprising a combination of a monosaccharide, an aliphatic amino acid and a basic amino acid.

2. A composition for hair treatment according to claim 1, wherein the sugar is an aldohexose.

3. A hair treatment composition according to claim 2, wherein the aldohexose is galactose.

4. A composition for hair treatment according to any preceding claim, wherein the aliphatic amino acid has the general formula: CH (COOH) (NH R) (R2) wherein R1 is hydrogen or an alkyl group having an alkyl chain length of from 1 to 20 carbon atoms, and R2 is hydrogen or an alkyl group having from 1 to 4 carbon atoms.

5. A hair treatment composition according to claim 4, wherein the aliphatic amine is N-methylglycine. SUMMARY The invention provides a composition for the treatment of hair comprising a combination of a sugar, an aliphatic amino acid and a basic amino acid. The composition is particularly suitable for the treatment of hair that is dry, damaged and / or prone to handling problems.