COSRX The Vitamin C 23 Serum 20ml

COSRX The Vitamin C 23 Serum 20ml

The COSRX The Vitamin C 23 Serum 20ml is a concentrated Korean facial serum formulated with 23% Pure Vitamin C (Ascorbic Acid). For shoppers looking for Vitamin C skincare or a Korean vitamin C serum, this formula is designed to support a brighter, more even-looking complexion.

This COSRX vitamin C serum has a lightweight texture and combines vitamin C with antioxidant and hydrating ingredients including tocotrienol, hyaluronic acid, and allantoin.

Key Features

• 23% Pure Vitamin C – Helps improve the appearance of dullness and uneven tone.
• Antioxidant support – Includes tocotrienol (Vitamin E).
• Hydration-focused ingredients – Hyaluronic acid helps support moisture retention.
• Lightweight serum texture – Suitable for layering in a Korean skincare routine.

How to Use

1. After cleansing and toning, apply a small amount evenly to the face.
2. Avoid direct contact with the eye area.
3. Gently pat until absorbed.
4. Follow with moisturizer as desired.
5. Use sunscreen during the daytime.

Build Your Routine

Explore more COSRX Korean skincare and serums, or browse our full Korean skincare collection. Complete daytime routines with sunscreen.

Key Ingredients

23% Pure Vitamin C (Ascorbic Acid) – An antioxidant ingredient commonly used to support brighter, more even-looking skin.

Tocotrienol (Vitamin E) – Provides antioxidant support.

Hyaluronic Acid – Helps attract and retain moisture.

Allantoin – Helps condition and comfort the skin.

Caution

For external use only. Avoid direct contact with the eyes. Patch test before use. Discontinue use if irritation occurs. Keep out of reach of children. Store away from heat and direct sunlight.