10% Niacinamide Serum – 30ml. 10% Niacinamide Serum is the ultimate solution for reducing acne marks and controlling sebum production. Niacinamide also helps to visibly improve large pores and prevent acne. Daily use will result in fewer lesions and improved skin texture. It improves the skin’s barrier, repairs past signs of damage, reduces inflammation – resulting in acne and pimple-free skin. Welcome the new look that’s inspired by the real you! Go filter-free in your next selfie with 10% Niacinamide concentration supported with Zinc salt for visibly clear skin. Say hello, it’s your skin’s BFF. 10% Niacinamide Serum – 30ml. <br> <br>Consumer Testing Results <br> <br>91% of people said this serum fades acne marks and tightens pores.