Zone - 365 Beauty Retinol serum 2.5 with Hyaluronic Acid is a powerful topical Vitamin A serum in the form of retinoids. With the special formulation and blend of safe on skin ingredients, this potent serum can help slow down the signs of aging such as the appearance of fine lines and wrinkles, dry and saggy skin, sun-damaged skin caused by harmful UV rays, dark spots, hyperpigmentation, acne, breakouts, and other skin imperfections. Perfect for all skin types, this serum will keep you looking young and fresh.