Solid antiperspirant and/or deodorant composition in the form of a water-in-oil emulsion based on silicone emulsifiers and on waxes; method for treating body odours

Solid composition in the form of a water-in-oil emulsion comprising, in a cosmetically acceptable carrier:

• i) at least one discontinuous aqueous phase;
• ii) at least one fatty phase comprising at least one wax in the form of crystallites having a shape factor of greater than or equal to 2 and having a melting point of 70 to 110° C.;
• iii) at least one silicone emulsifier selected in the group consisting of alkyldimethicone copolyols of particular formula (I) iii) at least one alkyldimethicone copolyol of formula (I) below:
• in which:
• R1 denotes a linear or branched, C12-C20, preferably C12-C18, alkyl group;
• R2 denotes the group:
• —CnH2n—(—OC2H4—)x—(—OC3H6—)yO—R3;
• R3 denotes a hydrogen atom or a linear or branched alkyl radical containing from 1 to 12 carbon atoms;
• a is an integer ranging from 1 to approximately 500;
• b denotes an integer ranging from 1 to approximately 500;
• n is an integer ranging from 2 to 12, and preferably from 2 to 5;
• x denotes an integer ranging from 1 to approximately 50, and preferably from 1 to 30;
• y denotes an integer ranging from 0 to approximately 49, and preferably from 0 to 29, with the proviso that, when y is other than zero, the ratio x/y is greater than 1, and preferably ranges from 2 to 11;
• and/or a dimethicone copolyols of formula (II) below:
• in which:
• R4 denotes the group:
• —CmH2m—(—OC2H4—)s—(—OC3H6—)t—O—R5;
• R5 denotes a hydrogen atom or a linear or branched alkyl radical containing from 1 to 12 carbon atoms;
• c is an integer ranging from 1 to approximately 500;
• d denotes an integer ranging from 1 to approximately 500;
• m is an integer ranging from 2 to 12, and preferably from 2 to 5;
• s denotes an integer ranging from 1 to approximately 50, and preferably from 1 to 30;
• t denotes an integer ranging from 0 to approximately 50, and preferably from 0 to 30;
• with the proviso that the sum s+t is greater than or equal to 1;
• and mixtures there of iv) at least one antiperspirant active agent and/or one deodorant active agent.