Highly concentrated 0.5% pure retinol No purified water or retinol derivatives. Formulated using 0.5% stabilized, pure retinol for powerful anti-aging care. Best for skin accustomed to retinol but still experiencing progressive signs of aging such as loss of elasticity and dryness. For intermediate-level retinol users looking for a highly concentrated, youth booster. Feel the benefits of Retinol without irritation. (*Based on clinical trials- 30 subjects completed the test.) KEY INGREDIENTS • Pure retinol (Vitamin A) : Accelerates collagen production and skin turnover to improve fine lines • Plant-derived squalane : Protects the skin from external irritation • Tocotrienol (Super Vitamin E) : Reduces visible signs of aging and skin damage