| abstract |
Deodourising cosmetic compsns. contain, as active ingredient, an alpha-branched alkanoic acid deriv. having formula R1R2R3-C-C(=X)Y, (I) (where R1 is linear 1-12C alkyl or -C(=X)Y; R2 is linear 1-5 1-6C alkyl; R3 is H or linear 1-6C alkyl; X is -0-; Y is -OH, OR4, -NR5R6; R4 is 1-10C alkyl or aralkyl; R5 and R6 each is H, 1-12C alkyl, 2-4C hydroxyalkyl, alkoxyalkyl, aryl or aralkyl, or, together with the N atom R5 and R6 form a heterocyclic ring. The -C(=X)Y gp. can also be a nitrile gp.). (I) can be used in powders, sticks, creams, roll-ons or esp. sprays. Body-odour is suppressed without side-effects. The cosmetic compsns. contain 0.1-5 (0.5-2) wt.% (I) and pref. also 0.01-1 (0.05-0.5) wt.% anti-oxidants. |