sulfurated potash


sul·fu·rat·ed pot·'ash

a mixture composed chiefly of potassium polysulfides and potassium thiosulfate; used externally in scabies, acne, and psoriasis; used in the manufacture of "white lotion classic" (a mixture of sulfurated potash and zinc sulfate used as a dermatologic medication). Synonym(s): liver of sulfur

sulfurated potash

A liver-colored or green-yellow substance made up of potassium thiosulfate and potassium polysulfides and containing 12.8% sulfur as a sulfide; a principal ingredient of white lotion.See also: potash