Target visible aging using COSRX The Retinol 0.5 Oil, a 20ml powerhouse designed to smooth rough texture, enhance clarity, and support long-term renewal. This gentle yet effective formula helps refine uneven tone, minimize dullness, and increase elasticity without irritation. Ideal for nighttime use, COSRX The Retinol 0.5 Oil deeply penetrates to deliver revitalizing results, improving skin’s appearance while encouraging balanced hydration.