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. 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. Made in Italy. HOW TO USE Apply a few drops to the face in the morning and evening. If irritation occurs, rinse o?, cease use, and consult a physician. Use only as directed on unbroken skin. Patch testing prior to use is advised. Keep out of reach of children.