MARY & MAY Niacinamide + Chaenomeles Sinensis Serum is face serum filled with 2% Niacinamide & Chaenomeles Sinensis Extract to brighten up dull and unbalanced skin. Contains 2% Niacinamide to lighten skin by inhibiting the transfer of melanosomes and regulate sebum production for balanced skin. This skin serum is suitable for all skin types including acne-prone.