ForumsThe RegimenThe RegimenSerum In The Regime... 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 → Serum In The Regimenmsverara MemberMember0(@msverara) Posted : 10/25/2012 10:08 am Hey guys, I've just bought Kiehl's Clearly Corrective Dark Spot Solution to help reduce acne scar.Where should I put it in the regimen? before or after the BP? Thanks in advance Quote