Description Our Niacinamide 10% + Zinc 1% formula is a water-based serum that boosts skin brightness, improves skin smoothness and reinforces the skin barrier over time. It contains a high 10% concentration of Niacinamide (vitamin b3) and zinc PCA. Note: Niacinamide and Zinc PCA is not a treatment for acne. For persistent acne-related conditions, we recommend speaking to your health care provider regarding treatment options. This formulation can be used alongside acne treatments if desired for added visible skin benefits. Clinical Results Hydrating lightweight serum that improves the look of skin radiance and luminosity. Hydrates skin by reinforcing the skin barrier in as little as 7 days. Achieve smoother skin after 8 weeks.* *In a clinical study of 35 subjects applying