BENZOYL PEROXIDE 5% GELGenericOTC$0.23 per gram BENZOYL PEROXIDE 5% WASHGenericOTC$0.03 per ml Ontology:Benzoyl Peroxide(C0005088) Definition (NCI)A peroxide with antibacterial, irritant, keratolytic, comedolytic, and anti-inflammatory activity. Upon topical application, benzoyl peroxide decomposes to ...