Address signs of aging with the Retinol Serum 0.5% in Squalene from The Ordinary; a water-free, multipurpose, potent solution formulated to refine pores, reduce the appearance of dark spots and wrinkles and improve skin texture.Enriched with a 0.5% concentration of the anti-aging powerhouse Retinol, which is a derivative of Vitamin A, the lightweight serum has a plumping and firming effect on the complexion, as well as protecting the skin from harmful environmental aggressors. Another key antioxidant ingredient Squalene prevents UV damage and the formation of age spots while counteracting harmful bacteria, leaving you with flawless skin.Free from water, alcohol, silicone, nut, gluten and soy.Vegan. Cruelty-free.Please note: Retinoids can make the skin more sensitive to UV radiation. Sun protection is particularly important when using retinoids. This product must not be used in conjunction with other retinoids including retinol or retinoic acid. This product is not a treatment for acne. Acne-prone skin may experience a temporary increase in acne during the first few weeks of using any form of retinoid including those used in this formulation.