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![[COSRX Official] The Vitamin C 23 Serum (20ml) - Highly Concentrated Stabilized Pure Vitamin C Liquid, Korean Skincare Serums & Essences, Dark Spots Treatment, Age Spot Brightening, Hyaluronic Acid Moisturizer, Sun Protection Booster, Vitamin C Serums, Fa](https://p16-oec-general-useast5.ttcdn-us.com/tos-useast5-i-omjb5zjo8w-tx/c676b46c2cb84fa2a1327815b3afabe4~tplv-fhlh96nyum-resize-jpeg:800:800.jpeg)
[COSRX Official] The Vitamin C 23 Serum (20ml) - Highly Concentrated Stabilized Pure Vitamin C Liquid, Korean Skincare Serums & Essences, Dark Spots Treatment, Age Spot Brightening, Hyaluronic Acid Moisturizer, Sun Protection Booster, Vitamin C Serums, Fa
22%17%
$4.73 per sale
COSRX USVerified by GrowiVerified by TikTok Shop★ 4.6 · 30 items · $1.5M/mo GMV- Product price
- $21.50
- Category
- Beauty › Serums & Essences
- Units sold
- 23,973 via partner deals
- In stock
- 4,449
- Deal ends
- May 1, 2027
- Paid by
- TikTok Shop, directly to you
*Please note that both options are renewed products.
(They are listed as two separate options because the product codes are different.)
Key Features:
- Highly Concentrated & Stabilized Pure Vitamin C: This lightweight Vitamin C Booster Serum fights early signs of aging and improves skin brightness.
- Patch Test Recommended: Contains highly concentrated, pure Vitamin C. A patch test on the body is recommended before using on the face.
- Dermatological Ingredients: Pure Vitamin C (Ascorbic Acid) helps achieve youthful, glowing skin. Super Vitamin E (Tocotrienol) fights signs of aging and slows down skin damage. Hyaluronic Acid delivers rich moisture deep into the skin, reducing the appearance of fine lines and wrinkles.
- How to Use: Shake 1-2 times before use and apply 2-3 drops once or twice daily. For daytime wear, follow up with SPF 30+ sunscreen. Can be applied under the eye area; avoid direct eye contact. Store in the fridge to prevent oxidation.
- COSRX Standards: All COSRX products are formulated with skin-friendly ingredients that alleviate irritated skin. Hypoallergenic, Dermatologist tested, Animal Testing-FREE, Parabens-FREE, Sulfates-FREE, Phthalates-FREE.
- Natural Formula: The formula is formulated without artificial fragrance, resulting in a copper-like scent that is natural to pure, high-dosage Vitamin C.
- Usage Note: To keep the product as natural as possible, the formula is formulated without artificial fragrance.
Product Details:
- Volume: 20ml
- Active Ingredients: Pure Vitamin C (Ascorbic Acid), Super Vitamin E (Tocotrienol), Hyaluronic Acid
- Usage: Apply 2-3 drops once or twice daily. For daytime use, use with SPF 30+ sunscreen. Can be applied under the eye area; avoid direct eye contact.
- Storage: Store in the fridge to prevent oxidation.
Why Choose COSRX The Vitamin C 23 Serum?
- High Concentration: Contains highly concentrated pure Vitamin C.
- Skin Benefits: Fights early signs of aging and improves skin brightness.
- Dermatological Ingredients: Formulated with skin-friendly ingredients.
- Natural Formula: No artificial fragrance, resulting in a natural copper-like scent.
Usage Instructions:
- Shake 1-2 times before use.
- Apply 2-3 drops once or twice daily.
- For daytime use, follow up with SPF 30+ sunscreen.
- Can be applied under the eye area; avoid direct eye contact.
- Store in the fridge to prevent oxidation.
COSRX Standards:
- Hypoallergenic: Formulated with skin-friendly ingredients.
- Dermatologist Tested: Safe for use.
- Animal Testing-FREE: Ethical formulation.
- Free from: Parabens, Sulfates, Phthalates.
Natural Formula:
- No Artificial Fragrance: Results in a natural copper-like scent.
Usage Note:
To keep the product as natural as possible, the formula is formulated without artificial fragrance.
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