Patent ID: 7816310
Filing Date: 2010-10-19
Classification: A61K,A61Q,C07C,C08K

Abstract:
1. A personal care composition comprising: at least one hydroxyalkyl urea derived from urea and of the general formula wherein R 1 , R 2 , R 3 and R 4 each independently represent hydrogen, a C 1-4 alkyl or a C 2-6 hydroxyalkyl group having from 1 to 5 hydroxyl or hydroxyalkyl groups, provided that at least one of the radicals R1-R4 is a hydroxyalkyl or oligohydroxyalkyl group; and at least one ammonium salt comprising ammonium lactate; wherein the hydroxyalkyl urea and the ammonium salt are present in a synergistically moisturizing effective ratio; and wherein the combination of the hydroxyalkyl urea and the ammonium salt provide an increase in moisturization greater than either the at least one hydroxyalkyl urea or the ammonium salt alone.