The key ingredients of the Barberry Extract Niacinamide & Zinc Serum, niacinamide (vitamin B3) and zinc, provide the nourishing and protective properties your skin needs. Niacinamide strengthens the skin barrier, helps retain moisture, and balances skin tone. It also reduces the appearance of spots, promoting a brighter and more even complexion. Zinc helps maintain the skin's natural oil balance, reducing the appearance of acne and other skin issues. While providing deep care for your skin, it supports your natural beauty.