Cosrx Retinol 0.5% Super Vitamin E+ Squalane serumCosrx Retinol 0. 5% Super Vitamin E+ Squalane serum combines a moderate concentration of retinol with antioxidant rich Vitamin E and deeply moisturizing squalane. This formulation supports skin renewal, reduces signs of aging, and enhances skin texture while maintaining hydration and minimizing irritation. Ideal for those seeking effective anti aging benefits with gentle care, it promotes a smoother, more radiant complexion through balanced