Brighten dull skin and target dark spots with the COSRX The Vitamin C 23 Serum.
Formulated with 23% pure Vitamin C, this high-potency brightening serum helps fade post-acne marks, hyperpigmentation, and uneven skin tone while improving skin radiance and firmness. Enriched with a Vitamin E derivative, Sodium Hyaluronate, and Allantoin, it provides powerful antioxidant protection, boosts hydration, and helps soothe the skin, leaving your complexion brighter, smoother, and healthier-looking.
Best For: Dull, uneven skin with dark spots, post-acne marks, and early signs of aging that needs intensive brightening care.
Suitable For
✔ Normal Skin
✔ Combination Skin
✔ Oily Skin
✔ Dry Skin
Targets
Dark Spots
Post-Acne Marks
Hyperpigmentation
Dullness
Fine Lines & Wrinkles
Uneven Skin Tone
Key Ingredients
23% Pure Vitamin C (Ascorbic Acid): Brightens skin, fades dark spots, boosts collagen production, and helps improve skin firmness.
Vitamin E Derivative: Provides antioxidant protection and enhances the effectiveness of Vitamin C.
Sodium Hyaluronate: Delivers deep hydration while helping maintain the skin's moisture balance.
Allantoin: Helps soothe irritation and keep skin comfortable during use.
Key Benefits
Brightens dull and tired-looking skin
Helps fade post-acne marks and hyperpigmentation
Improves skin firmness and elasticity
Reduces the appearance of fine lines and wrinkles
Provides antioxidant protection against environmental stressors
Hydrates while promoting a radiant complexion
How to Use
After cleansing and toning, apply 2–3 drops to slightly damp skin.
Gently spread over the face and pat until fully absorbed.
Follow with moisturizer.
Use sunscreen during the daytime.
For beginners, start using 2–3 times per week before increasing frequency as your skin adjusts.
Additional Information
✔ Korean Skincare
✔ High-Strength Vitamin C Serum
✔ Antioxidant-Rich Formula
✔ Fragrance-Free
✔ Suitable for Daily Use (Build Up Gradually)
Important Information
✔ Because of its high 23% Vitamin C concentration, a mild tingling sensation may occur, especially for first-time users.
✔ Always apply sunscreen during the day while using Vitamin C products.
✔ Store the serum in the refrigerator after opening and keep the bottle tightly closed to help maintain freshness and potency.
✔ Avoid using in the same routine with strong exfoliating acids (AHA/BHA) or high-strength retinol if your skin is sensitive.
