Definition of: cosmetic

(koz·met′·ik) adjective
Pertaining to or used for beautifying, cleansing, or protecting, especially the skin, hair, nails, or other part of the human body, or of certain animals on exhibition. Also cos·met′i·cal.
—noun
1. Any preparation intended to be applied to any part of the human body for cleansing, beautifying, promoting attractiveness, or altering its appearance, including bath salts, face and hand creams, etc., but excluding soaps other than shampoos and shaving soaps.
2. Any cologne or perfume.
3. A vanishing cream used as a protective barrier for the skin to prevent or correct skin irritations acquired in certain paint and chemical industries: also called barrier cream. [<Gk. kosmetikos <kosmos order, ornament]
—cos·met′i·cal·ly adverb