FRAGRANCE FREE 10% NIACINAMIDE WITH 1% ZINC PCA: Formulated with 10% Niacinamide , this serum is ideal for combatting acne marks and hyperpigmentation. 1% Zinc PCA soothes the skin and controls sebum production. This powerful combination gives you even-toned, blemish-free, radiant skin..LIGHT-WEIGHT HIGH-ABSORPTION FORMULA: A light-weight texture that instantly soaks into skin (no greasy or sticky residue) that suppresses excess melanin production due to skin damage at the site of acne eruption- keeping the skin looking even and bright..LESS IS MORE FORMULATION: This serum is formulated with purified water to allow the hero ingredients to shine. By limiting the ingredients, we've reduced the risk of irritation or allergy, focusing on the benefits of the key ingredients..pH-BALANCED SKIN CARE: This serum has a pH of 6, same as the average skin pH, thus causing no disruptions in your skin and its protective layer..SUITABLE FOR OILY, NORMAL & COMBINATION SKIN: Formulated to fade acne marks, reduce sebum production and over all skin texture, this serum is suitable for women with oily, normal & combination skin. Women with dry skin should use the 5% niacinamide serum.