A high-concentrate flowable liquid anionic surfactant composition containing: (a) from 60 to 90% by weight of an alkyl ether sulfate corresponding to formula I: wherein R.sup.1 is a linear or branched alkyl radical having from 12 to 22 carbon atoms, n is a number having a value of from 1 to 10, and X is an alkali metal, alkaline earth metal, ammonium, alkylammonium, alkanolammonium or glucammonium; and (b) from 10 to 40% by weight of an alkyl sulfate corresponding to formula II: wherein R.sup.2 is a linear or branched alkyl radical having from 12 to 22 carbon atoms, and X is an alkali metal, alkaline earth metal, ammonium, alkylammonium, alkanolammonium or glucammonium, all weights being based on the total weight of the composition, and wherein the composition has a solids content of from 50 to 80% by weight.
There is provided a topical composition for treating, preventing or ameliorating hyperpigmentation in human skin. The composition has a de-pigmenting agent in an amount effect to reduce or diminish pigmentation at an area of skin to which it is applied, and a cosmetically or pharmaceutically acceptable vehicle. Suitable de-pigmenting agents include 3,3'-thiodipropionic acid, thiazolidine-2-carboxylic acid, kaempferol-7-glucoside, perilla oil, and clofibrate and clofibrate analogs and derivatives. There is also provided methods for treating, preventing or ameliorating hyperpigmentation in human skin.
