COSRX Advanced The Vitamin C 23 Serum is a high-potency treatment formulated with 23% pure Vitamin C (Ascorbic Acid) to help visibly brighten the skin, reduce dark spots, and improve overall skin tone.

Enhanced with Vitamin E and Hyaluronic Acid, it supports antioxidant protection while maintaining hydration and improving skin texture.

🌿 Key Benefits

✔ 23% Pure Vitamin C – Helps improve dull skin and dark spots
✔ Powerful Antioxidant Protection – Protects against environmental stressors
✔ Vitamin E Synergy – Boosts stability and effectiveness
✔ Hydration Support – Helps maintain moisture balance
✔ Improves Skin Tone & Texture

Cosrx Advanced The Vitamin C 23 Serum

£23.00

£15.80

🧴 How to Use

After cleansing and toner, apply 2–3 drops to the face.

Gently spread and pat for absorption.

Follow with moisturiser.

✔ Use preferably in the evening

✔ If used in the morning, apply sunscreen

⚠️ Caution

For external use only.

Avoid contact with eyes.

May cause mild tingling due to high Vitamin C concentration.

Perform a patch test before use.

Store in a cool, dark place (refrigeration recommended).

Use sunscreen during the daytime.

Cosrx Advanced The Vitamin C 23 Serum

Product Info

Caution when use

Ingredients