Cos De BAHA Niacinamide Serum revitalizes skin for a healthy glow. Formulated with high-quality niacinamide at 10%, this serum dives deep to nourish and improve skin texture. Enhanced with pure hyaluronic acid, the serum helps to hydrate and plump the skin, reducing the appearance of fine lines. Zinc PCA and licorice further soothe and balance, making it an ideal addition to any skincare routine.