Seoul 1988 Secret Retinal Liposome 4% + Fermented Bean

A more potent retinal treatment designed for experienced users to target deep wrinkles, improve elasticity, and accelerate skin renewal. How to Use Apply a pea-sized amount to clean, dry skin in the evening. Gently spread over the face, avoiding the eyes and lips. Follow with a moisturizer. Start using 2–3 nights per week, then gradually increase frequency as tolerated. Wear sunscreen every morning while using this product.