Experience the transformative power of this premium Korean skincare serum featuring 23% pure vitamin C in a revolutionary dual-layer formula. This advanced k beauty serum combines potent vitamin C with nourishing oils to deliver exceptional brightening, anti-aging, and skin tone correction benefits. Designed for those seeking powerful results, this concentrated formula targets dullness, hyperpigmentation, and early signs of aging while providing deep hydration and enhanced skin elasticity for a radiant, youthful complexion.
Key Benefits of Cosrx The Vitamin C 23 Serum 20Ml:
Delivers 23% pure vitamin C for maximum brightening and anti-aging effects
Reduces appearance of dark spots, hyperpigmentation, and uneven skin tone
Enhances skin elasticity and firmness while minimizing fine lines and wrinkles
Provides deep hydration with dual-layer oil and serum formula
Boosts collagen production with super vitamin E for youthful glowing skin
Soothes and protects sensitive skin with hyaluronic acid and allantoin
How to Use Cosrx The Vitamin C 23 Serum 20Ml:
Shake the bottle 1-2 times before use to blend the dual layers
Apply 2-3 drops to clean skin once or twice daily, avoiding direct eye contact
Gently pat and massage into skin until fully absorbed
Always follow with SPF 30+ sunscreen during daytime use
Perform a patch test before first use due to high vitamin C concentration
Best For:
Experienced vitamin C users and those with normal to oily skin seeking intensive brightening and anti-aging treatment. Ideal for addressing hyperpigmentation, dark spots, dullness, uneven skin tone, and early signs of aging. Perfect for korean beauty enthusiasts looking for powerful, professional-grade skin care products that deliver visible results in a short time. Suitable for sensitive skin when introduced gradually.
Key Ingredients:
23% Pure Vitamin C (Ascorbic Acid), Super Vitamin E (Tocotrienol), Hyaluronic Acid, Allantoin, Stabilizing Oils
Skincare Routine Step:
Step in routine: Step 4 - Treatment/Serum phase (Morning or Evening)
What comes before: Cleanser, Toner, Essence
What comes after: Moisturizer, Sunscreen (AM), Face Oil (PM)
All orders are fulfilled directly in-house to guarantee authenticity, freshness, and fast handling.
Orders are processed within 1–2 business days after order confirmation.
You will receive a confirmation email/SMS once your order is dispatched.
For the safety and well-being of all our customers, we do not accept returns or exchanges on any beauty, skincare, or personal care products. Once a product has been delivered and accepted, it cannot be returned, exchanged, or refunded.