Benzoyl Peroxide 2.5% Wash is a therapeutically effective antibacterial cleanser for the treatment of acneand acne prone skin. Benzoyl peroxide is recognized by the American Academy of Dermatology to significantly reduce the presence of P acne bacteria (the bacteria believed to play a primary role in the inflammatory aspect of the acne process). Skin Research Benzoyl Peroxide Wash assists in thoroughly removing sebum and cellular debris without stripping or excessive dryness. Oily skinned individuals will appreciate this deep cleansing action that leaves the skin feeling scrupulously clean, but soft and smooth.