Cosmetic excipient

摘要

A cosmetic excipient comprises a compound or mixture thereof having the formula <IMAGE> wherein R is alkyl having 7-20 carbon atoms, a mixture of said alkyl radicals, the hydrocarbon residue of lanolin when X is oxygen or the hydrocarbon residue of lanolic acid when X is <IMAGE> one of Z1 and Z2 represents -CH2-Y-R' and the other represents hydrogen; X represents oxygen or carbonyloxy of the formula <IMAGE> linked to R through the free bond of the carbon atom of the carbonyloxy group; Y represents -CH2-, oxygen and carbonyloxy of the formula <IMAGE> linked to R' through the free bond of the carbon atom of the carbonyloxy group R' represents alkyl having 3-30 carbon atoms or a mixture of said alkyl radicals, or a portion of the -Y-R' groups can represent -OH; A is hydrogen or when Y is carbonyloxy a mixture of hydrogen and <IMAGE> wherein R' has the meaning given above; and n is a decimal or whole number greater than 1 and lower than or equal to 10.