Dermistry 2% Retinol & 2% Hyaluronic Acid Serum is a high strength formula. That helps turn back the clock on aging and give your skin a youthful vibrancy with this gentle, safe, and effective formula. This serum with retinol is a next-gen retinol derivative that offers far better results. It is best suited for all skin types, even Sensitive & Dry skin. Once in this middle layer of skin, retinol helps neutralize free radicals. This helps boost the production of elastin and collagen, which creates a plumping effect that can reduce the appearance of fine lines & wrinkles