The Retinol 0.5 Oil 20 ml – Anti-Aging & Skin Renewal Facial Oil with 0.5% Pure RetinolCOSRX The Retinol 0. 5 Oil 20 ml Experience an advanced anti aging boost with 0. 5% pure retinol, combined with squalane and Super Vitamin E to smooth fine lines, enhance elasticity, and refine texture for a more youthful glow. Key Benefits Reduces fine lines & wrinkles: 0. 5% stabilized pure retinol accelerates collagen production and cell turnover for visibly smoother, firmer skin. Hydration & barrier support: Squalane and tocotrienol (Super Vitamin