The serum that does it all. Our Face Filter 2% Retinoid Serum helps reduce acne, fine lines, wrinkles, hyperpigmentation and uneven skin tone. The duo ? niacinamide and retinoid in this serum to fight free radicals that damage the skin, reduce appearance of pigmentation, stimulate skin cell regeneration and restore skin elasticity; resulting in a radiant and even-toned complexion.