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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

Regular price $43.89 USD
Regular price $53.90 USD Sale price $43.89 USD
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COSRX Advanced The Vitamin C 23 Serum 20g + 20g Value Twin Set

OPENING PRODUCT DESCRIPTION

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


KEY INGREDIENTS

23% Pure Vitamin C (Ascorbic Acid)
Helps improve the appearance of dull, uneven-looking skin and supports overall skin radiance.

Vitamin E (Tocopherol & Tocotrienols)
Provides antioxidant support and helps protect skin from environmental stressors.

Panthenol
Helps maintain skin moisture and supports the skin barrier.

Hyaluronic Acid (Sodium Hyaluronate)
Helps attract and retain moisture for a hydrated, comfortable feel.

Niacinamide & Acetyl Glucosamine (NAG)
Help promote a smoother, brighter, and more refined-looking complexion.


IDEAL FOR

  • Dull and tired-looking skin
  • Uneven skin tone and visible dark spots
  • Loss of radiance and glow
  • Early signs of aging
  • Customers seeking intensive Vitamin C skincare

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.

Important:
Because this formula contains a high concentration of pure Vitamin C, daily sunscreen use is recommended when used during daytime routines.


STORAGE TIP

Due to the high concentration of pure Vitamin C, refrigeration after opening is recommended to help maintain freshness and product stability.


PRODUCT SPECIFICATIONS

Brand: COSRX
Product Name: Advanced The Vitamin C 23 Serum
Volume: 20g + 20g
Product Type: Face Serum
Skin Type: All Skin Types
Main Benefits: Brightening, Hydrating, Antioxidant Care, Anti-Aging Support
Country of Origin: South Korea
Shelf Life: Unopened: 24 months from manufacturing date / Recommended to use within 2 months after opening


FULL INGREDIENT LIST

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.


SHIPPING NOTICE

  • Orders are processed and shipped directly from South Korea.
  • Delivery times may vary depending on destination and customs clearance procedures.
  • This product is shipped under Delivered Duty Unpaid (DDU) terms.
  • Import duties, VAT, customs charges, and any additional fees imposed by the destination country are the responsibility of the customer.

CAUTION

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.

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

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