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COSRX

COSRX Advanced The Vitamin C 23 Serum 20g + 20g Value Twin Set

COSRX Advanced The Vitamin C 23 Serum 20g + 20g Value Twin Set

$38.00 ($38.00 USD)
$61.59 $38.00 ($38.00 USD)
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Brightening

A high-strength 23% pure Vitamin C serum designed to help improve uneven tone, dullness, and visible signs of aging.

COSRX

COSRX Advanced The Vitamin C 23 Serum 20g + 20g Value Twin Set

COSRX Advanced The Vitamin C 23 Serum 20g is a high-strength Korean skincare serum formulated with 23% pure Vitamin C (Ascorbic Acid) to help improve the appearance of uneven skin tone, dullness, and visible signs of aging while supporting a smoother, brighter-looking complexion.

Why You'll Love It

  • βœ“ Formulated with 23% Pure Vitamin C for intensive brightening care
  • βœ“ Helps improve the appearance of dark spots and post-blemish marks
  • βœ“ Supports a more radiant and even-looking skin tone
  • βœ“ Enriched with Vitamin E, Panthenol, and Hyaluronic Acid to provide hydration and comfort
  • βœ“ Lightweight serum texture absorbs quickly without a greasy finish
  • βœ“ Suitable for daily brightening and antioxidant skincare routines
  • βœ“ Dermatologist-tested and suitable for sensitive and acne-prone skin based on product disclosure
  • βœ“ Made in South Korea

23% Pure Vitamin C

Brightening & radiance

Vitamin E

Antioxidant support

Panthenol

Moisture & barrier

Hyaluronic Acid

Hydration retention

How to Use

  1. After cleansing, apply toner if desired.
  2. Dispense an appropriate amount of serum onto the face.
  3. Gently spread and pat until fully absorbed.
  4. Follow with moisturizer.
Brand: COSRX
Product Name: Advanced The Vitamin C 23 Serum
Product Type: Face Serum
Volume: 20g + 20g
Skin Type: All Skin Types
Country of Origin: South Korea
Aqua/Water, 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.

Ingredients subject to change β€” always refer to physical packaging for the most current ingredient information.

  • For external use only.
  • Avoid contact with eyes.
  • Discontinue use if irritation occurs and consult a healthcare professional if necessary.
  • Keep out of reach of children.
  • Store away from direct sunlight and excessive heat.
  • Due to the high concentration of pure Vitamin C, refrigeration after opening is recommended to help maintain freshness and product stability.

SHIPPING NOTICE & POLICY

This product ships directly from South Korea.

Orders are typically processed within 1–3 business days after payment confirmation. Orders placed on weekends or public holidays will be processed on the next business day.

Orders are shipped on a DDU (Delivered Duty Unpaid) basis. Import duties, taxes, VAT, customs fees, clearance charges, or other import-related charges are not included in the product price or shipping fee and are the responsibility of the customer where applicable.

Delivery times may vary depending on customs clearance, local carrier operations, weather conditions, public holidays, or other circumstances beyond our reasonable control.

For complete shipping information, including shipping methods, delivery, customs, and international shipping policies, please review our Shipping Policy.

RETURNS, EXCHANGES & REFUNDS POLICY

Returns are accepted only for eligible items that meet the conditions outlined in our Return & Refund Policy.

Opened, used, or damaged cosmetic products, change-of-mind purchases, and products returned without prior authorization are not eligible for return, exchange, or refund.

If you receive a damaged, defective, or incorrect item due to our error, please contact us within the specified review period so we can assist you promptly.

For complete information regarding return eligibility, exchanges, refunds, non-returnable items, and claim procedures, please review our Returns, Exchanges & Refunds Policy.

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