Questions? Leave a comment below! PCA Skin BPO 5% Cleanser eliminates acne-causing bacteria without the use of irritating surfactants that can damage and aggravate the skin. Its clarifying formula features a 5% concentration benzoyl peroxide to heal and prevent breakouts. Aloe, cucumber, nettle and chamomile extracts comfort and calm inflammation to leave the complexion looking clear, even and refreshed.