COSRX The Retinol 0.5 Oil 20ml – Anti-Aging & Smoothing Treatment

Size: 20ml – 100% Authentic Korean Skincare. How to use it. One source notes “Avoid combining with AHA/BHA and Vitamin C”. Dermatologist-tested and suitable for most skin types. It is oil-based, but adding a rich cream can protect against dryness.

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