Revolution Skincare 15% Niacinamide Blemish & Pore Refining Serum helps to reduce the look of blemishes and pores and improve skin moisture. The serum comes in a formula that can be used on all skin types. Niacinamide helps build keratin to keep skin firm and healthy Reduces the appearance of blemishes and pores Improves skin moisture Cruelty-free and vegan.