SkinMedica Even & Correct Advanced Brightening Treatment Face Serum - Hydroquinone-Free & Retinol-Free Dark Spot Corrector for Hyperpigmentation & Melasma in Aging Skin (2 Fl Oz) | Brightens Dull Complexion for Daily Skincare Routine

very effective product, though requires patience (at least 6 weeks), which is good -- not irritating at all; used specifically on knees, which were very discolored and now are not. then used on face a few times a week with noticeable improvement, very even tone now