Cosrx The Vitamin C 23 Serum 20 ML

COSRX The Vitamin C 23 Serum is a high‑potency vitamin C serum with 23 % pure ascorbic acid, designed to brighten dull, uneven skin tone, fade dark spots and hyperpigmentation, improve texture, and support early anti‑aging care. It features a dual‑layer formula (oil + vitamin C serum) that helps slow oxidation and deliver a more radiant, supple complexion. This serum is ideal for those with some vitamin C experience who want visible brightening and elasticity benefits. 

Key Components
Water (Aqua), Ascorbic Acid (23 %), Butylene Glycol, Dimethicone, Panthenol, 3‑O‑Ethyl Ascorbic Acid, Squalane, Sodium Hydroxide, Caffeine, Sodium Hyaluronate, Sodium Metaphosphate, Adenosine, Acetyl Glucosamine, Gardenia Florida Fruit Extract, Allantoin, Dextrin, Tocotrienols, Tocopherol, Elaeis Guineensis (Palm) Oil, Arginine, Niacinamide, Pentylene Glycol, Glutathione, Helianthus Annuus (Sunflower) Seed Oil, Methyl Trimethicone, Carthamus Tinctorius (Safflower) Seed Oil, Camellia Japonica Seed Oil, Daucus Carota Sativa (Carrot) Root Extract, Glycyrrhiza Glabra (Licorice) Root Extract, Beta‑Carotene. 

Indication
Brighten dull and uneven skin tone with high‑strength vitamin C. 
Help fade dark spots, hyperpigmentation & post‑breakout marks. 
Improve texture and refine pores for a smoother complexion.

How to use
Shake the bottle gently to mix the two layers (oil + serum). 
After cleansing and toning, apply 2–3 drops to the face.
Pat gently for absorption. 
Follow with moisturizer and, in the morning, a broad‑spectrum SPF 30+. 
Use once daily or as tolerated, starting slowly if you have sensitive skin.