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✔ Use morning and night✔ Follow with moisturizer and sunscreen (daytime)
beginners should introduce gradually and use sunscreen during the day
No sticky residue or heavy feel
which penetrates deeper into the skin's layers compared to standard variants
After shampooing
COSRX The Vitamin C 23 Serum pore cleansing cleanser ✔ Use morning and night✔Key Benefits This serum contains 23% pure vitamin C (ascorbic acid), making it a powerful antioxidant treatment for brightening and anti aging. Its ideal for those with dull skin, uneven tone, or early signs of aging. Brightens Skin Tone: Fades dark spots, acne scars, and hyperpigmentation Reduces Fine Lines & Wrinkles: Stimulates collagen production for firmer skin Improves Elasticity: With super vitamin E (tocotrienol), which has 50x more