Our formula with 10% Niacinamide and 1% Zinc is a water-based serum that gives the skin a radiant glow, improves skin smoothness, and strengthens the integrity of the skin barrier over time. It contains a high concentration of Niacinamide (Vitamin B3) and Zinc PCA. Niacinamide 10% and Zinc 1% is not an acne treatment. For persistent acne-related conditions, we recommend consulting a physician regarding treatment options. This formulation can be used in conjunction with acne treatments to provide additional benefits to the skin.