COSRX The Vitamin C 23 Serum 20ml

Brighten dull skin and target stubborn pigmentation with COSRX The Vitamin C 23 Serum 20ml, a powerful Korean brightening serum designed for experienced Vitamin C users seeking visible glow and smoother skin texture.

Formulated with 23% Pure Vitamin C, Super Vitamin E, Glutathione, Niacinamide, and Hyaluronic Acid, this antioxidant-rich serum helps improve uneven skin tone, reduce acne marks, support collagen care, and boost skin radiance.

✨ Why skincare lovers love it:

• Helps fade dark spots & acne scars
• Brightens dull uneven skin tone
• Supports smoother firmer-looking skin
• Powerful antioxidant glow care

Perfect for dull, uneven, pigmented, and experienced active-users.

⚠️ Usage Tip

Apply 2–3 drops after toner during nighttime or morning. Store refrigerated or in a cool dark place to reduce oxidation. Always use sunscreen during daytime and avoid combining with strong acids or retinol in the same routine.

✅ 7. Key Features

• ✔ 23% Pure Vitamin C formula
• ✔ Glutathione + Vitamin E antioxidant care
• ✔ Helps improve dark spots & dullness
• ✔ Lightweight dual-layer serum texture
• ✔ 20ml Korean brightening serum

✅ 8. Benefits

• Brighter radiant complexion
• Improved skin clarity & glow
• Reduced post-acne marks
• Smoother healthier-looking texture
• Korean glass-skin brightening effect