COSRX The Vitamin C 23 Serum 20ml

Brighten. Protect. Radiate.

Unleash your skin's natural luminosity with one of K-beauty's most potent brightening formulas. Packed with 23% pure ascorbic acid (Vitamin C), this high-performance serum visibly fades dark spots, evens skin tone, and shields your complexion from environmental stressors — revealing a brighter, more youthful glow with every drop.

Why You'll Love It

• 23% pure Vitamin C — one of the highest concentrations available
• Visibly fades hyperpigmentation, dark spots, and uneven skin tone
• Antioxidant-rich formula protects against free radical damage
• Authentic COSRX formula trusted by K-beauty enthusiasts worldwide

How to Use

Apply 2-3 drops to cleansed skin before moisturizer. Gently press into face and neck until absorbed. Use in the evening or follow with SPF in the morning. Start with 2-3 times per week and build up as tolerated.