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SKU: SKU : 8809598455238
Store below 30°C in a cool, dry place away from direct sunlight.
COSRX The Vitamin C 13 Serum is a brightening powerhouse formulated with 13% pure Vitamin C (L-Ascorbic Acid) to visibly fade hyperpigmentation, dark spots, and blemishes. Enriched with additional skin-brightening actives, this lightweight 20ml serum delivers a more even, radiant complexion with consistent use. A must-have in any Korean skincare routine targeting dullness and uneven skin tone.
After cleansing and toning, apply 2–3 drops of COSRX The Vitamin C 13 Serum onto face and neck. Gently pat until fully absorbed. Use in the morning before moisturizer and SPF for best results. Store in a cool, dark place to preserve potency. Avoid mixing with other strong actives such as AHA/BHA or retinol in the same routine.
Ascorbic Acid (13%), 3-O-Ethyl Ascorbic Acid, Niacinamide, Sodium Hyaluronate, Panthenol, Allantoin, Betaine, 1,2-Hexanediol, Adenosine, Xanthan Gum. Full ingredient list may vary — please refer to product packaging.
| Brand | COSRX |
|---|---|
| Product Type | Serum |
| Size | 20ml |
| Suitable For | All skin types |
Actual product packaging and materials may contain more and different information than what is shown on our website. We recommend that you do not rely solely on the information presented and that you always read labels, warnings, and directions before using or consuming a product.
This item is out of stock. The products below share the same key ingredient.
Formulas, textures and other ingredients differ between products. Patch-test new skincare first, and ask our pharmacist if you are unsure. Ask a pharmacist on WhatsApp
Apply to cleansed skin, morning or evening, then follow with moisturiser. Use sunscreen during the day.
This vitamin C serum is designed to help visibly brighten skin and even out tone; sensitive skin should patch test first.
Yes, it can be layered with a moisturiser and sunscreen; avoid combining with other strong exfoliating acids at the same time.
Vitamin C serums can oxidise with light and air exposure, so store in a cool, dark place and keep the bottle tightly closed.
Used a few drops at a time, a 20ml bottle typically lasts one to two months.
