Promote smooth, luminous-looking skin with COSRX’s The Retinol 0.5 Oil, a highly-concentrated formula that targets the appearance of fine lines. Ideal for intermediate-level retinol users, the oil sets to work to protect against environmental aggressors that can contribute to premature skin ageing.The formula harnesses the nourishing properties of plant-derived squalane to help protect against dryness, while retinol visibly firms the skin. Its pipette applicator ensures effortless, mess-free use.