Cosmetic compositions containing a starch phosphate and a cationic polymer and uses thereof

Cosmetic composition, characterized in that it comprises, in a cosmetically acceptable medium, at least one starch phosphate and at least one nonsilicone cationic polymer chosen from:

• (1) homopolymers or copolymers derived from acrylic or methacrylic esters or amides and comprising at least one of the units of the following formulae:
• 19
• in which:
• R3, which are identical or different, denote a hydrogen atom or a CH3 radical;
• A, which are identical or different, represent a linear or branched alkyl group of 1 to 6 carbon atoms or a hydroxyalkyl group of 1 to 4 carbon atoms;
• R4, R5, R6, which are identical or different, represent an alkyl group having from 1 to 18 carbon atoms or a benzyl radical;
• R1 and R2, which are identical or different, represent hydrogen or an alkyl group having from 1 to 6 carbon atoms;
• X denotes an anion derived from an inorganic or organic acid,
• (2) cationic celluloses,
• (3) polymers consisting of piperazinyl units and of alkylene or hydroxyalkylene divalent radicals with straight or branched chains, optionally interrupted by oxygen, sulphur or nitrogen atoms or by aromatic or heterocyclic rings, as well as the oxidation and/or quaternization products of these polymers,
• (4) water-soluble polyaminoamides prepared in particular by polycondensation of an acid compound with a polyamine;
• these polyaminoamides may be crosslinked with an epihalohydrin, a diepoxide, a dianhydride, an unsaturated dianhydride, a diunsaturated derivative, a bishalohydrin, a bisazetidinium, a bishaloacyldiamine, an alkylbishalide or else with an oligomer resulting from the reaction of a difunctional compound which is reactive towards a bishalohydrin, a bisazetidinium, a bishaloacyldiamine, an alkylbishalide, an epihalohydrin, a diepoxide or a diunsaturated derivative;
• the crosslinking agent being employed in proportions ranging from 0.025 to 0.35 mol per amine group of the polymaoamide;
• these polyaminoamides may be alkylated or, if they include one or more tertiary amine functional groups, quaternized,
• (4) polyaminoamide derivatives resulting from the condensation of polyalkylenepolyamines with polycarboxylic acids, followed by an alkylation with bifunctional agents,
• (6) polymers obtained by reaction of a polyalkylenepolyamine containing two primary amine groups and at least one secondary amine group with a dicarboxylic acid chosen from diglycolic acid and saturated aliphatic dicarboxylic acids containing from 3 to 8 carbon atoms,
• (7) cyclopolymers of alkyldiallylamine or of dialkyldiallylammonium, except for the copolymer of diallyldimethylammonium chloride and acrylamide,
• (8) quaternary diammonium polymers comprising repeat units corresponding to the formula:
• 20
• formula (VII) in which:
• R13, R14, R15 and R16, which are identical or different, represent aliphatic, alicyclic or arylaliphatic radicals containing from 1 to 20 carbon atoms or lower hydroxyalkyl aliphatic radicals, or else R13, R14, R15 and R16, together or separately, form, with the nitrogen atoms to which they are attached, heterocyclic rings optionally containing a second heteroatom other than nitrogen, or else R13, R14, R15 and R16 represent a linear or branched C1-C6 alkyl radical substituted by a nitrile, ester, acyl, amide or —CO—O—R17-D or —CO—NH—R17-D group where R17 is an alkylene and D a quaternary ammonium group;
• A1 and B1 represent polymethylene groups containing from 2 to 20 carbon atoms which may be linear or branched, saturated or unsaturated and which may contain, bonded to or inserted into the main chain, one or more aromatic rings, or one or more oxygen or sulphur atoms or sulphoxide, sulphone, disulphide, amino, alkylamino, hydroxyl, quaternary ammonium, ureido, amide or ester groups, and
• X− denotes an anion derived from an inorganic or organic acid;
• A1, R13 and R15, with the two nitrogen atoms to which they are attached, may form a piperazine ring;
• in addition if A1 denotes a saturated or unsaturated, linear or branched alkylene or hydroxyalkylene radical, B1 may also denote a group (CH2)n—CO-D-OC—(CH2)n—
• in which D denotes:
• a) a glycol residue of formula:
• —O-Z-O—, where Z denotes a linear or branched hydrocarbon radical or a group corresponding to one of the following formulae:
• —(CH2—CH2—O)x—CH2—CH2——[CH2—CH(CH3)—O]y—CH2—CH(CH3)—
• where x and y denote an integer from 1 to 4, representing a defined and unique degree of polymerization or any number from 1 to 4 representing a mean degree of polymerization;
• b) a disecondary diamine residue such as a piperazine derivative;
• c) a diprimary diamine residue of formula:
• —NH—Y—NH—, where Y denotes a linear or branched hydrocarbon radical or else the divalent radical
• —CH2—CH2—S—S—CH2—CH2—;
• d) a ureylene group of formula:
• —NH—CO—NH—;
• X− is preferably an anion,
• (9) quaternary polyammonium polymers consisting of units of formula (VIII):
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• in which formula:
• R18, R19, R20 and R21, which are identical or different, represent a hydrogen atom or a methyl, ethyl, propyl, β-hydroxyethyl, β-hydroxypropyl or —CH2CH2(OCH2CH2)pOH radical,
• where p is equal to 0 or to an integer ranging from 1 and 6, provided that R18, R19, R20 and R21 do not simultaneously represent a hydrogen atom,
• r and s, which are identical or different, are integers ranging from 1 and 6,
• q is equal to 0 or to an integer ranging from 1 and 34,
• X denotes a halogen atom,
• A denotes a radical of a dihalide or preferably represents —CH2—CH2—O—CH2—CH2—,
• (10) quaternary vinylpyrrolidone and vinylimidazole polymers,
• (11) polycondensates of ethoxylated (C8-C26)-alkylamines, of (C1-C8)alkylenediamines and, where appropriate, of epichlorohydrin,
• (12) crosslinked or noncrosslinked polymers of methacryloyloxy(C1-C4 alkyl)tri(C1-C4 alkyl)ammonium salts,
• (13) polyalkyleneimines, in particular polyethyleneimines, polymers containing vinylpyridine or vinylpyridinium units, condensates of polyamines and epichlorohydrin, quaternary polyureylenes, and chitin derivatives.