10% Vitamin B3 Brightening Serum is a brightening and age-reversing treatment to address skin blemish and the signs of aging such as uneven skin tone, lack of elasticity and dryness. The concentrated 10% Vitamin B3 effectively blocks melanin production and stimulates the synthesis of collagen, while Vitamin B5, Hyaluronic Acid and Ceramide reduce dryness and refine rough surface skin layer. Repeat use helps even out skin tone, and restore skin firmness.