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International Standard - $29.95 (7-10 Business Days)
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Refunds (Faulty, Damaged or Incorrect Items)
Any problems with the item(s) you receive must be reported to us within 30 days of transaction receipt.
Replacement (Change of Mind)
If you've had a change of mind about the item(s) you have ordered, we will need to receive it back to us unopened and unused, in the original packaging within the 30 day period.
Please note return shipping fees will be to and from the warehouse will apply so please choose carefully. We suggest packing items carefully and sending with tracking to ensure proof of arrival.
COSRX Advanced The Vitamin C 23 Serum is a high-potency, dermatologist-tested treatment designed to fade acne scars, brighten the complexion, and target early signs of aging. Formulated with a massive 23% Pure Vitamin C (Ascorbic Acid), it works as a powerful antioxidant to neutralize free radicals and boost collagen production. This serum features a unique double-layered structure—a water-based serum beneath a thin oil layer—which helps stabilize the pure Vitamin C and prevent rapid oxidation. Enriched with Super Vitamin E (Tocotrienol) and Hyaluronic Acid, it balances high-strength brightening with essential moisture and soothing care.
Key Points:
Professional-grade Brightening: 23% Pure Vitamin C effectively targets stubborn hyperpigmentation and dullness.
Triple Antioxidant Care: Combines Vitamin C, Super Vitamin E, and Glutathione for maximum skin protection.
Smooths and Firms: Adenosine and Vitamin C work together to improve skin elasticity and reduce fine lines.
Soothing Hydration: Infused with Panthenol, Allantoin, and Squalane to minimize the tingling or irritation often associated with high-strength actives.
Clinical Results: Proven to improve skin radiance by over 30% and reduce the appearance of pores within 4 weeks of use.
Size: 20ml
MADE IN KOREA. All of our products are 100% authentic.
Usage & Ingredients
How to Use COSRX Advanced The Vitamin C23 20ml:
After cleansing and toning, apply 2–3 drops to the entire face.
Pat gently for better absorption.
Follow with moisturizer and SPF during the day. Avoid mixing with retinol or acids in the same routine.
