COSRX
COSRX The Vitamin C 23 Serum 20ml
COSRX The Vitamin C 23 Serum 20ml
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Brighten your skin with The Vitamin C 23 Serum from COSRX. Infused with 23% pure ascorbic acid (vitamin C), this serum effectively targets dark spots, hyperpigmentation, and dullness, leaving your complexion luminous and even-toned.
The high concentration of Vitamin C helps to boost collagen production, improve skin elasticity, and fade discoloration over time. Say goodbye to uneven skin tone and hello to a complexion that's glowing with health and vitality.
The lightweight, fast-absorbing formula penetrates deeply into the skin, delivering a potent dose of antioxidants and nutrients for maximum efficacy. Whether you're dealing with sun damage, aging skin, or simply want to achieve a radiant glow, COSRX The Vitamin C 23 Serum 20ml is your perfect skincare companion.
Great for...bright and even skin tone!
Size: 20ml
How to Use
Use after cleansing and toner. Apply a few drops directly onto your face and use your fingertips to spread it from the center to the edges of your face.
NOTE: As the formula contains a high concentration of Vitamin C your skin may become more sensitive to the sun. Ensure you apply a high-protection sunscreen as the last step of your morning routine when using this product (and when not!).
Ingredients
Water, Ascorbic Acid(23%), Propanediol, Dimethicone, Tromethamine, Panthenol, Ethyl Ascorbyl Ether, Squalane, Caffeine, Sodium Chloride, Sodium Hyaluronate, Sodium Sulfite, Disodium EDTA, Glutathione, Adenosine, Acetyl Glucosamine, Gardenia Florida Fruit Extract, Allantoin, Dextrin, Tocotrienols, Tocopherol, Elaeis Guineensis (Palm) Oil, Butylene Glycol, Arginine, Niacinamide, Pentylene Glycol, Alcohol Denat., Helianthus Annuus (Sunflower) Seed Oil, Glycyrrhiza Glabra (Licorice) Root Extract, Methyl Trimethicone, Carthamus Tinctorius (Safflower) Seed Oil, Camellia Japonica Seed Oil, Daucus Carota Sativa (Carrot) Root Extract, Beta-Carotene
Please note that brands frequently update the product formula and packaging. While we endeavour to provide the most up-to-date information please refer to the product packaging for the latest ingredient list.
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When Will I Get My Order?
With Standard Delivery your order will arrive in 2 to 3 working days. If you need your order faster we offer Priority Delivery in 1 to 2 working days.
All orders are sent using tracked services and you will receive tracking updates.
You can find full shipping details here.
How Much Is Shipping?
Standard shipping to anywhere in the UK is free for orders over £25. Shipping for orders below £25 starts from £3.95.
Priority delivery in 1 to 2 working days costs £5.50.
You can find full shipping details here.
Can I Return My Order?
Yes you can! You can return your order for any reason within 30 days of your purchase for a refund. The product will need to be in good condition, unopened and unused. You will need to arrange return postage.
You can read our full return policy here.

We Are Refresh Skincare
We've been selling incredible skincare since 2019, dispatching over 10,000 orders to thousands of happy customers. We offer free tracked delivery, a satisfaction guarantee and 30 day returns. Plus earn discounts and freebies when you shop with Refresh Rewards.