The Dr Barbara Sturm The Better B Niacinamide Serum is formulated to target visible pores, excess sebum and uneven texture without compromising the skin barrier. Powered by niacinamide (Vitamin B3), it helps to regulate oil production, refine the appearance of enlarged pores and improve overall tone and clarity. The lightweight, fast-absorbing texture delivers targeted results while maintaining hydration, making it suitable for blemish-prone, combination and uneven skin types.