COSRX The Vitamin C 13 Serum 20ml
SKU: 70362516895

COSRX The Vitamin C 13 Serum 20ml

Sale price$17.13 Regular price$19.03
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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12

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Description

COSRX The Vitamin C 13 Serum 20mlProduct Description: Use daily as a vitamin C boost for your skin. A gentle, water based vitamin C serum that hydrates and absorbs quickly without any stickiness. Lighter and more refreshing than Vitamin C 23 Serum, making it perfect for daily use. Regular use helps to lighten blemishes, dark spots, and freckles while improving skin tone. Product Benefits: Moisturizing and quick absorbing formula Evens out skin tone and reduces dark spots Promotes a

Product Description: Use daily as a vitamin C boost for your skin.

A gentle, water-based vitamin C serum that hydrates and absorbs quickly without any stickiness. Lighter and more refreshing than Vitamin C 23 Serum, making it perfect for daily use. Regular use helps to lighten blemishes, dark spots, and freckles while improving skin tone.

Product Benefits:

  • Moisturizing and quick-absorbing formula

  • Evens out skin tone and reduces dark spots

  • Promotes a clear and radiant complexion

  • Can be used daily

Skin Type:

  • Dry and dull skin

  • All skin types that need brightness and hydration

Size: 20 ml

Usage: Morning and evening

  1. Wash your face

  2. Apply a few drops of serum to the skin.

  3. Gently massage in with fingertips, starting from the center of the face and working outwards.

  4. When used in the morning, always follow up with sunscreen SPF 30 or higher.

Important:

  • It is recommended not to use with other acids such as AHA, BHA, retinol, or other strong active ingredients to avoid irritation.

  • Avoid contact with the eye and mouth areas.

Patch Test Always perform a Patch Test to check if your skin may react negatively to a new skincare product.

  1. Apply a small amount of the product to the skin, for example, behind the ear or on the inside of the wrist.

  2. Leave the product on for at least 24 hours without washing it off.

  3. Regularly check the area to see if any redness, itching, swelling, or other reactions occur. If a negative reaction occurs, discontinue use immediately and consult a doctor if necessary.

  4. If the skin feels normal and shows no reactions, you can start using the product as usual.

Precautions

  • Do not use the product if you are allergic to any of the ingredients.

  • The product is only for external use. Do not ingest.

  • Keep out of reach of children and animals.

  • Avoid contact with the eyes. In case of contact, rinse thoroughly with water and consult a doctor if necessary.

  • Do not use on damaged or irritated skin.

  • In case of signs of a negative reaction to the product, such as redness, itching, swelling, or other reactions, discontinue use immediately and consult a doctor if necessary.

Ingredients

Water, Ascorbic Acid (13%), Butylene Glycol, Dipropylene Glycol, Tromethamine, 3-0-Ethyl Ascorbic Acid, Panthenol, Acetyl Glucosamine, Caffeine, Sodium Hyaluronate, Sodium Sulfite, Disodium EDTA, Glutathione, Adenosine, Gardenia Florida Fruit Extract, Allantoin, Dextrin, Squalane, Tocotrienols, Tocopherol, Elaeis Guineensis (Palm) Oil, Arginine, Niacinamide, Pentylene Glycol, Glycyrrhiza Glabra (Licorice) Root Extract

Please note that ingredients and content may change over time. This means that the ingredients listed on our website may differ from those actually in the product. Always read the ingredients on the package before use. If you have any questions or concerns, please contact our customer service.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 70362516895

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Megan Thomas
Lake Worth, US
★★★★★ 5
Gear set!
Amazing kit lasts a long time and makes my skin so smooth and hydrated.
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Reviewed in the United States on June 5, 2026
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Roger
West Palm Beach, US
★★★★★ 5
Love Ordinary brand skincare products!!
I love the Ordinary brand of skin products. This particular product works great and got it for a good price!!!
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Reviewed in the United States on May 30, 2026
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Roselis Correos Silega
Grantham, US
★★★★★ 5
Excelente
Muy buena 100%
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Reviewed in the United States on April 7, 2026
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Jeyfer Daniel Giraldo Diaz
Los Angeles, US
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Reviewed in the United States on April 4, 2026
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AD
Port Orchard, US
★★★★★ 2
Not for me
Did not work for me and after a week my skin was more oily and break outs were bad. I feel as though this brand should be ment for teenagers
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Reviewed in the United States on November 8, 2025

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