One common cosmetic is shampoo to clean hair.
Cosmetics . Common cosmetics include lipstick , mascara , eye shadow , foundation , rouge , skin cleansers and skin lotions , shampoo , hairstyling products ( gel , hair spray , etc. ) , perfume and cologne . Shampoo ( [ ʃæmˈpuː ] ) is a hair care product , typically in the form of a viscous liquid , that is used for cleaning hair .