Patent ID: 8182794
Filing Date: 2012-05-22
Classification: A61K,A61Q

Abstract:
1. An improved self-tanning formulation consisting of (a) methyl sulfonylmethane at a concentration of 1%-20% by weight, based on the total weight of the formulation, (b) 1,3-dihydroxyacetone, at a concentration of 0.5%-20% by weight, based on the total weight of the formulation (c) at least one shelf-stable solvent selected from the group consisting of water, ethanol, and volatile organic silicones, wherein the formulation is in a form selected from the group consisting of a liquid, a foam, a lotion, and a cream, and wherein the improvement consists of (d) the inclusion in the formulation, as the sole self-tan enhancing glycol humectant either (i) 1,2-pentanediol alone or (ii) 1,2-pentanediol in combination with one or both of isopentyldiol or hexylene glycol.