Foaming, color-changing topical composition and method of imparting a cosmetic effect

摘要

There is an anhydrous topical composition. The composition has a) an active ingredient; b) a base compound of a carbonate or bicarbonate salt of an alkali metal or an alkaline earth metal; c) an acid compound; and d) a cosmetically acceptable anhydrous vehicle. The base compound and the acid compound are reactable and are present in amounts sufficient to foam the topical composition when the topical composition is exposed to water. The topical composition changes color upon exposure to water. There is also a method for imparting a cosmetic effect to a topical surface.