COSRX

COSRX Advanced The Vitamin C 23 serum 20ml

$29.25 $17.33 Save 41%
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COSRX Advanced The Vitamin C 23 serum 20ml
Description

Overwhelming Tone × Glow × Texture Boosting Effect with 23% Pure Vitamin C

For dark spots, blemishes, dullness, and loss of elasticity. Experience the more powerful, scientifically proven Advanced The Vitamin C 23 Serum.

 

Key Features

01 Powerful Effect of 23% Pure Vitamin C Delivers the potent benefits of pure Vitamin C through COSRX’s unique formula and optimal texture.

02 Intensive Early-Aging Care Adds vitality to the skin with a powerful antioxidant synergy.

03 Evolved Dual-Layered Serum An advanced bi-phase structure designed for high-efficacy care with low irritation.

 

Advanced Formula Technology

Check 01 NO Derivatives! Real Pure Vitamin C Formula formulated with pure Vitamin C that absorbs effectively into the skin to deliver powerful results.

Check 02 Stabilized Design even with 23% High Concentration Leveraging advanced technology to maximize pure Vitamin C content while minimizing skin irritation.

Check 03 Optimal pH Setting A balanced pH design that considers both the skin's condition and the optimal environment for preserving the stability and efficacy of pure Vitamin C.

 

Texture

Dual-Layered Formula with a Moist & Taut Finish The unique bi-phase structure reduces the burden on the skin, leaving a smooth, comfortable, and hydrated finish.

 

How to use

Recommended Routine After cleansing, during the serum step, drop an appropriate amount onto the face. Use fingertips to roll and massage the product from the center of the face outwards until absorbed.

  1. Attach the enclosed dropper and shake gently from side to side. (Do not shake before opening).

  2. Apply the serum on the cheekbones.

  3. Spread along the skin texture in the order of Cheeks > Forehead > Chin (Neck) using a rolling motion.

  4. Massage the C-zone (areas lacking elasticity) with a lifting motion to care for skin elasticity.

  5. Apply your next skincare products.

  6. Finish by spreading from the center of the face outwards.

    • Note: If using this product during the day, you must apply sunscreen.

 

Caution: Storage & Handling

High-Concentration Vitamin C Care

  • Use immediately after purchase and store upright in the refrigerator (3~10°C).

  • As this product contains no artificial fragrance, you may notice the unique scent of the raw ingredients.

  1. Gas Production: Due to the nature of Vitamin C, gas may be generated.

  2. Popping Sound: A sound may occur when opening the cap.

  3. Special Cap: The specially designed cap regulates gas generated inside the container to ensure safe storage.

  4. Do Not Shake Before Opening: Shaking before opening may cause overflow. Shake gently side to side only after attaching the dropper.

  5. Headspace: Empty space inside the bottle is intended for safe usage.

  6. Expiration: Vitamin C products easily discolor due to oxidation. It is recommended to use within 2 months after opening.

  7. Storage: Avoid high temperatures and direct sunlight.

  8. Refrigeration: Storing in the refrigerator before and after opening is highly recommended.

 

Ingredients

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

 

Specs

Brand : COSRX

Capacity : 20ml

Target Area : Face

Skin Type : All Skin Types

Country of origin : South Korea

 

 

Why CHAELY?

Directly from South Korea

Directly from the Heart of Seoul

CHAELY is proudly based in South Korea—the global epicenter of K-Beauty and K-Pop. Being on the ground in Seoul gives us direct, unparalleled access to the newest releases, official merchandise, and the most trusted beauty brands. Every product you order is carefully sourced and shipped straight from Korea to fans worldwide.

100% Authentic & Genuine

We source our products directly from official entertainment agencies and licensed cosmetic brands in Korea.

  • Guaranteed Authenticity: Whether it is an album, lightstick, or skincare product, you can shop with confidence knowing every item is 100% genuine.
  • No Compromises: We strictly do not carry replicas or unofficial goods.
Be the First to Know

Since we operate at the source, we are among the first to provide updates on new drops and restocks.

  • Early Access: Enjoy quick pre-order access for the latest albums and limited-edition merch.
  • Real-time Updates: Stay informed with real-time news on restocks and exclusive releases.
  • Fast Processing: We begin processing orders immediately upon product release to ensure the fastest dispatch possible.
Reliable Global Logistics

We partner with trusted Korean couriers, including Korean Postal EMS and CJ Logistics, to ensure your package arrives safely.

  • Global Tracking: All orders include tracked shipping options to most countries.
  • Careful Packaging: We pack every item with extreme care—as if we are sending it to a fellow fan—to protect your collectibles and cosmetics during transit.
  • Estimated Delivery: Most orders arrive within 5–14 business days, depending on your destination.

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