The COSRX The Retinol 0.5 Serum Super Vitamin E is a potent anti-aging serum formulated with 0.5% Retinol and enriched with Vitamin E to target fine lines, wrinkles, and uneven skin texture. It helps to boost skin cell turnover, improve elasticity, and promote a smoother, firmer, and radiant complexion. Suitable for all skin types, especially for those beginning a retinol routine