Total acne care with 15% niacinamide. Highly concentrated serum that combines the maximum concentration of niacinamide with optimal ratios of synergistic ingredients for total acne control. Feel the benefits of Niacinamide without irritation. (*Based on clinical trials- 30 subjects completed the test.) How to use: After cleansing, during the serum phase, apply a few drops to the skin. Use fingertips to gently massage and absorb the serum, starting from the center of the face working towards the edges. * Highly concentrated serums should only be used in the evening? NO! * This serum can be used in the morning and/or afternoon. * If applied in the morning, be sure to use with a SPF of 30 or higher. Ingredients: Water, Pentylene Glycol, Niacinamide(15%), Butylene Glycol, Acetyl Glucosamine, 1,2-Hexanediol, Zinc PCA, Trehalose, Xanthan Gum, Pullulan, Allantoin, Ethylhexylglycerin, Sodium Phytate, Citric Acid, Tocopherol