COSRX Pure Vitamin C 23% Serum

Brand :


Hypoallergenic 23% pure vitamin C

Antioxidant brightening booster with high performance for preventing early signs of aging

SKU: B09ZY8T55Y Category:

The Vitamin 23% Serum:

Create the best synergy. Boost skin enhancement and experience dramatically visible results by using Vitamin C and E together.

Patch Test Recommended:

This serum consists of highly concentrated pure Vitamin C. A patch test on the body is recommended before using on the face.

Dermatological Ingredients:

23% Pure Vitamin C (Ascorbic acid) helps achieve youthful glowing skin. Super Vitamin E (Tocotrienol) helps fight signs of aging and slows down skin damage. Hyaluronic acid delivers rich moisture deep into skin and helps reduce the appearance of fine lines and wrinkles.

Weight.110 kg
Dimensions10.4 × 6.4 × 4.3 cm


– Fade acne scars and hyperpigmentation
– Brightens dull skin
– Firms and plumps
– Diminishes finelines and wrinkles


– Dull skin
– Uneven skintone
– Dark spots and hyperpigmentation
– Early signs of aging

Clinical Results in 4 Weeks
– 16.26% improvement of pigmentation (visible melasma and blemishes)
– 32.89% improvement of triple-complexion skin tone (red skin tone)
– 32.36% effect of brightening (skin radiance)
– 16.36% improvement of elasticity (internal elasticity)
– 38.65% improvement of the pore (volume)
– 27.18% improvement of the pore (count)
– 4.18% improvement of skin age
*Based on clinical trials of 20 subjects. *Dermacosmetic Skin Science Laboratory Co., Ltd.



After cleansing, during the serum phase, shake the bottle lightly once or twice from side to side and apply a few drops to the skin. Use fingertips to gently massage and absorb the serum, starting from the inside of the face working towards the edges.


*Please use immediately after purchase and store upright in refrigerator once opened.


👉 Cautions to read (click)


* For the first use, attach the enclosed dropper in the product package.
* Recommended to use within 2 months of opening due to active ingredient protection. 
* Highly concentrated serum should only be used in the evening? NO! This serum can be used in the morning and/or afternoon.
* If applied in the morning, be sure to use with a SPF of 30 or higher.


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