Helps Reduce Acne Marks: 10% niacinamide reduces acne marks by restoring the natural skin texture, May Help Fight Acne: Niacinamide helps to control acne by reducing excess oil and sebum secretion, Controls Oil Production: With controlled oil production, the serum helps reduce breakouts and keeps your skin in its healthy natural state, Fits All Skin Types: The niacinamide serum is suitable for all skin types and can be used by both men and women, How to Use: Apply 2-3 drops of serum to the entire face and neck twice a day. Massage gently until the serum is absorbed. Apply sunscreen during the day. Don’t step out in the sun without sun protection