Cosrx The Vitamin C 13 Serum 20ml

Unlock the true, transformative power of Vitamin C with COSRX The Vitamin C 13 Serum. This intensive treatment is formulated with a potent 13% concentration of Pure L-Ascorbic Acid, the gold-standard antioxidant, to deliver clinically proven results. In a one-month test, users' average skin age was reduced by 2 years. This powerhouse serum visibly brightens skin, fades dark spots and hyperpigmentation, improves skin elasticity, and boosts collagen production for a more youthful and radiant complexion.Its efficacy is preserved by innovative airless pump packaging that expels internal gas and prevents oxidation from light, heat, and air, ensuring every drop remains fresh and maximally potent. Despite its high concentration, the formula is gentle and completed with primary human application tests, making it suitable for sensitive skin. It is fragrance-free and cruelty-free.For optimal results, apply 2-3 drops to clean, dry skin in the morning. Follow with a moisturizer and a broad-spectru