Consun 10% Niacinamide Serum Contains The Effective Combination Of Niacinamide & Zinc To Control Excess Sebum Production, Reduce , Smoothen Skin, And Improve The Appearance Of Pores And Fine Lines. It Also Strengthens The Skin’S Barrier Function That Helps Limit Damage From Free Radicals & Prevents Aging. Dermatologically Tested, 10% Niacinamide Serum Is Safe, Potent, And Highly Efficacious In Fading Acne Marks, Fighting Acne, And Controlling Sebum Production.