A hypoallergenic highly effective serum that gently improves various pore problems & controls sebum production. Formulated with 10% high content of niacinamide purified to 99% high purity to provide powerful care for skin concerns. The formulation of amino acid-based skin-friendly ingredients provides deep moisturizing & mild soothing effects. Dermatologist tested for skin irritation. Suitable for use on sensitive skin. Non-comedogenic tested.