ForumsAcne and its treatm...Over-the-counter ac...Glycolic Acid Notifications Clear all Glycolic Acid C Jeep MemberMember0(@cjeep) Posted : 02/14/2014 10:35 am Does anyone know if you put the glycolic acid on before or after your anti aging serums? Quote Lewis S 0(@LewisS)Posted : 02/14/2014 12:43 pm I'd say use any AHA products last. So after. Quote