ForumsAcne and its treatm...Over-the-counter ac...Should I use The Or... Notifications Clear all Should I use The Ordinary products with the regimen?lalisa MemberMember0(@lalisa) Posted : 07/22/2019 6:05 am Hey folks!Is it ok to add The Ordinary's niacinamide and zinc serum to the regimen? And if so, would you apply this after cleansing and before the treatment? Thanks Quote Foodforthought MemberMember32(@foodforthought) Posted : 08/04/2019 1:55 pm Exactly that! It has minimal ingredients and shouldn't interfere. Also has different modes of action! Quote