The Niacinamide 10% + Zinc Day & Night Normalizing Serum from Delia Cosmetics is a highly effective facial serum specifically designed for combination skin. With a concentrated formula containing 10% niacinamide and zinc, this serum aims to normalize the skin's appearance and reduce impurities. Niacinamide, also known as vitamin B3, is renowned for its ability to improve skin texture, while zinc offers anti-inflammatory properties that help minimize redness and skin blemishes. The serum can be used both during the day and at night to continuously nourish and regenerate the skin. With a content of 30 milliliters, it is ideal for daily use and easily integrates into any skincare routine. Its lightweight texture absorbs quickly and leaves a pleasant skin feel without a greasy finish. This product is an excellent choice for anyone seeking an effective solution to enhance their skin health.