BPO 3 Shampoo 3% Benzoyl Peroxide (16 oz) is an antimicrobial, keratolytic, follicular flushing medicated shampoo for dogs and cats. It may be used in the topical treatment of pyoderma, folliculitis and seborrheic skin disorders. Contains 3% benzoyl peroxide. Medicated Shampoo Keratolytic Degreasing Follicular Flushing Antibacterial by VET Solutions Shampoo may be used weekly or as directed by your veterinarian.