Cosrx Advanced The Vitamin C 23 Serum

COSRX Advanced The Vitamin C 23 Serum is a high-potency brightening serum formulated with 23% pure vitamin C to visibly improve skin tone, fade hyperpigmentation, and restore radiance to dull skin.

This concentrated formula is enhanced with a vitamin E derivative to boost antioxidant protection and maximize the effectiveness of vitamin C. Sodium hyaluronate helps maintain hydration, while allantoin soothes the skin, supporting a smoother, healthier-looking complexion.

Key Benefits

• Intensive brightening – helps fade dark spots and uneven skin tone.
• High antioxidant protection – defends skin against environmental stress.
• Skin revitalizing effect – improves dull and tired-looking skin.
• Hydration support – maintains moisture balance.
• Smoothing care – helps reduce fine lines and improve texture.

Active Ingredients

Vitamin C (23%) – brightens skin and reduces hyperpigmentation.
Vitamin E Derivative – enhances antioxidant protection and stability.
Sodium Hyaluronate – hydrates and retains moisture.
Allantoin – soothes and calms the skin.

Suitable For

Normal, combination, and skin with visible pigmentation, dullness, and post-acne marks.

How to Use

1. Apply to cleansed, slightly damp skin.
2. Spread evenly across the face.
3. Follow with moisturizer and sunscreen during the day.

Tip: Use in the evening routine or gradually introduce into your routine due to high concentration.

Precautions: Avoid contact with eyes. Use sunscreen during the day. Discontinue use if irritation occurs.