The Ordinary Niacinamide 10% + Zinc 1%, 30 ml, Skin Serums for Women, The Ordinary Niacinamide 10% + Zinc 1% facial serum is designed to brighten dull skin, especially skin prone to imperfections. Not only does it increase skin radiance, but it also visibly smoothes an uneven texture. In addition, after just 7 days of use, it leaves the skin's protective barrier strengthened, contributing to an overall improvement in long-term skin hydration. It is not intended for treating acne, but you can use it as a complementary treatment. Characteristics: brightens the skin, removes dullness and significantly increases its radiance visibly smoothes, reduces unevenness and rougher texture strengthens the protective skin barrier and maintains skin hydration also combats excessive shine and signs of clogged pores can be used as a complementary treatment for acne has a light, water-based texture suitable for acne-prone skin Results of testing: In a clinical study, 35 subjects applied the serum twice daily for 8 weeks. the serum is light on the skin, yet hydrates, improves radiance, and brightens the complexion keeps the skin hydrated by strengthening its barrier after just 7 days of use ensures visibly smoother skin after 8 weeks of use Ingredients: niacinamide (10%) – promotes skin brightening and smoothes an uneven texture, helps strengthen the skin's protective barrier and improves skin hydration levels zinc PCA (zinc salt) (1%) – supports the effects of niacinamide alcohol, oil, silicone, nut and gluten-free vegan product pH 5 - 6.5 How to apply: Use The Ordinary Niacinamide 10% + Zinc 1% brightening serum in the morning and evening after cleansing your skin and before applying moisturiser. Using the dropper, apply a few drops to your face and spread evenly. If irritation occurs, wash it off immediately and discontinue use and consult a doctor. Apply only to unbroken skin. Perform a sensitivity test prior to use.