The Ordinary Niacinamide 10% + Zinc 1% Serum

What it is: A universal serum for blemish-prone skin that smoothes, brightens and supports.What it does: This water-based serum 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.Clinical results:In a clinical study of 35 subjects applying product twice a day for 8 weeks:- 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. How to use: Apply a small amount of the serum to the face in the morning and evening. If irritation occurs, rinse off, 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. 4 oz. Made in Canada