Glycolic Bright Melasyl Serum - Anti Dark Spot Serum. Formulated with 8% [Melasyl + Niacinamide + Glycolic Acid]. Melasyl, a patented ingredient made by L'Oréal, is our strongest brightening active ever. Stronger than the top 5 brightening ingredients. Reduces dark spots by 86% even the most stubborn of spots. Safe for sensitive skin and for daily use. How To Use: on cleansed skin, apply 2-3 drops of serum and spread all over the face. Follow up with moisturizer and SPF.