Anua Nano Retinol 0.3% + Niacin Renewing Serum is a serum that is designed to improve the appearance of skin defects and take care of pores and skin texture. It is a potent brightening serum that is infused with retinol and niacinamide to smooth out fine lines and improve hyperpigmentation. It also contains eight kinds of peptide to amplify the moisturizing effect and further diminish wrinkles. This serum is designed for all skin types and is cruelty-free.