Washing compositions based on insoluble silicones and on a surface-active agent of the polyoxyalkylenated carboxylic ether acid type, and their application in cosmetics and in dermatology

Washing composition for hair or the skin, comprising in an aqueous medium:

• a) a silicone which is insoluble in the said medium and not reactive with the latter;
• and
• b) at least 7% by weight of at least one compound corresponding to the following formula:
• R--(OC.sub.3 H.sub.6).sub.p --(OC.sub.2 H.sub.4).sub.n --OCH.sub.2 --COOA (I)
• in which:
• R denotes a linear or branched, C.sub.8 -C.sub.22 alkyl or alkenyl radical or mixture of such radicals, alkyl(C.sub.8 -C.sub.9)phenyl or R'CONH--CH.sub.2 --CH.sub.2 --, with R' denoting a C.sub.11 -C.sub.21, linear or branched, alkyl or alkenyl radical;
• n is a whole or decimal number between 2 and 24,
• p is a whole or decimal number between 0 and 6,
• A denotes a hydrogen atom or an atom of Na, K, Li, 1/2 Mg or a monoethanolamine, ammonium or triethanolamine residue,
• the weight ratio of compound of formula (I)/insoluble silicone being higher than 1.