ForumsThe RegimenThe RegimenBenzoyl peroxide Notifications Clear all Unless you have severe, widespread, and scarring acne, The Regimen is normally my suggestion for the most effective acne treatment.My suggested acne treatment Learn The Regimen → Learn The Regimen → Benzoyl peroxide Daniela MemberMember6(@dnorte) Posted : 03/08/2017 3:28 pm How could I tell if my bp is no longer working and is expired ? Quote Louisemariex MemberMember4(@louisemariex) Posted : 03/08/2017 3:54 pm Expiry date should be On the box hun....if u get no redness...itching or dryness or if it doesn't die fabrics or hair this may be a sign but if it seams to not help at all u may need a stronger version or different treatment. Xx QuoteDaniela, Daniela and Daniela reacted