COSRX The Vitamin C 23 Serum (CA Version) is a high-potency facial serum featuring 23% pure L-ascorbic acid, paired with Super Vitamin E (Tocotrienols) and Glutathione for powerful antioxidant protection. Its dual-layer formula preserves freshness and prevents oxidation, absorbing smoothly to brighten dull skin, fade dark spots and hyperpigmentation, reduce fine lines, and enhance elasticity. Infused with Hyaluronic Acid, Panthenol, and Allantoin, it hydrates and soothes sensitive skin. Clinically tested, it’s suitable for daily use, ideal for those seeking visible brightening and anti-aging results. The Canadian version meets local regulatory standards for safe distribution.COSRX