Acne safe
Kiehl's Since 1851
Ultra Pure High-Potency 5.0% Niacinamide Serum
Acne Safety Check
No flagged pore-clogging ingredients were found in the available ingredient list.
Matched Ingredients
No ingredient matches were listed for this product.
Full Ingredients
Aqua/Water, Niacinamide, Glycerin, Propanediol, Methyl Gluceth-20, Hydroxyacetophenone, Sodium Hyaluronate, Caprylyl Glycol, Carbomer, Sodium Hydroxide