Patent ID: 6545052
Filing Date: 2003-04-08
Classification: A61K,A61Q,C11B

Abstract:
A method for inhibiting free radical degradation of skin or hair of a human or nonhuman animal comprising contacting the skin or hair with a composition comprising at least one 1-(3-methoxybenzyl)-3-substituted thiourea compound of formula I: in a concentration which is effective to inhibit free radical polymerization, wherein R is selected from the group consisting of C1-C20 linear or branched alkyl; C5-C7 cycloalkyl; alkoxy-substituted C5-C7 cycloalkyl; hydroxy-substituted C5-C7 cycloalkyl; C6-C7 aryl; hydroxy-substituted C6-C7 aryl; and alkoxy-substituted C6-C7 aryl.