COSRX The Retinol 0.5 Oil is a potent anti-aging treatment formulated with 0.5% stabilized pure retinol, designed for individuals accustomed to retinol seeking to address advanced signs of aging. This oil targets deep wrinkles, fine lines, loss of elasticity, and uneven skin texture. Enriched with plant-derived squalane and super vitamin E (tocotrienol), it provides deep nourishment, hydration, and protection against environmental stressors. Suitable for all skin types, especially mature skin, it absorbs smoothly without causing irritation.