Olay Luminous Niacinamide + Aha Face Super Serum (Reduce Acne Marks) 30ml50g Aha (Lactic Acid) Acts On Skin Surface While Niacinamide Penetrates 10 Layers Deep^, To Effectively Target Root Causes Of Spots Across Skin Layers. Dermatologist-tested Formula, Does Not Clog Pores. Fast Absorbing And...