(2/$15) Kiehl's Ultra Pure High Potency Niacinamide Serum

Kiehl's Ultra Pure High Potency 5% Niacinamide Serum. 4 ml x 2 (travel size). New. What it is: A concentrated facial serum formulated with just 10 ingredients to absorb oil and minimize the look of redness. Skin Type: Normal, Dry, Combination, and Oily Skincare Concerns: Redness, Uneven Texture, and Oiliness Highlighted Ingredients: - Niacinamide: Visibly brightens skin. Ingredient Callouts: It comes in recyclable packaging. What Else You Need to Know: This serum is formulated with just 10 ingredients to absorb excess oil and minimize the look of redness. It is free of fragrance and colorants and is minimally formulated for skin absorption and efficacy. Clinical Results: In a consumer 4-week study, after 1 week: - 92% agree skin feels soothed