Cosrx The Vitamin C 23 Serum

✨ Brighten, Firm & Transform with Pure Vitamin C Power

Meet COSRX The Vitamin C 23 Serum — your potent brightening serum that delivers a powerful 23% concentration of pure vitamin C to visibly fade dark spots, boost radiance, and improve skin texture. This maximum-strength formula targets dullness, uneven tone, and signs of aging for a complexion that glows with clarity and youth. Visibly reduces hyperpigmentation, sun damage, and post-acne marks, evens out skin tone for a radiant, luminous glow, and firms and smooths fine lines for younger-looking skin. Refines rough, uneven skin for a smoother finish, provides powerful antioxidant defense against environmental stressors, and revives dull, tired skin for a healthy, energized look. The lightweight, slightly viscous serum absorbs quickly and may feel slightly warm or tingle upon application—this is normal and indicates the vitamin C is working.

What's in the Mix:

• 23% Pure Vitamin C (Ascorbic Acid) — Maximum-strength brightening & anti-aging
• Hyaluronic Acid — Hydrates & plumps for smooth, supple skin
• Tocopherol (Vitamin E) — Enhances vitamin C & provides antioxidant protection

How To Use: Apply to clean, toned skin. Dispense 2-3 drops and gently pat onto face. Use in the evening (vitamin C can increase sun sensitivity). Follow with moisturizer. Always use SPF 30+ during the day. Start slowly (2-3 times per week) and build up to daily use.

Ideal For: Anyone seeking to fade dark spots, brighten dull skin, and combat signs of aging. Perfect for hyperpigmentation, sun damage, or uneven tone.

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