SKU: 90463275241

COSRX The Vitamin C 23 Serum 20ml

Sale price$16.20 Regular price$18.00
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Ships within 48 hours · Estimated delivery Jul 19 - Jul 24

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Description

COSRX The Vitamin C 23 Serum 20mlCOSRX The Vitamin C 23 Serum delivers a potent 23% concentration of highly stabilised pure vitamin C clinically proven to combat visible signs of skin ageing. We value this serum for its expert formulation that enhances skin tone and visibly reduces the appearance of wrinkles. The lightweight texture absorbs quickly, leaving the skin feeling smooth without any residue. It effectively brightens dull, uneven, and rough skin, supporting a more youthful

COSRX The Vitamin C 23 Serum delivers a potent 23% concentration of highly stabilised pure vitamin C clinically proven to combat visible signs of skin ageing.

We value this serum for its expert formulation that enhances skin tone and visibly reduces the appearance of wrinkles. The lightweight texture absorbs quickly, leaving the skin feeling smooth without any residue. It effectively brightens dull, uneven, and rough skin, supporting a more youthful and revitalised complexion over time.

Key Ingredients:

  • Vitamin C (23% pure ascorbic acid): Stimulates collagen production and brightens the skin with antioxidant protection
  • Vitamin E: Enhances the skin barrier and provides additional antioxidant support
  • Hyaluronic Acid: Delivers deep hydration to maintain skin plumpness and elasticity

How to Use:

  1. Apply a few drops onto cleansed skin, gently patting to encourage absorption
  2. Follow with moisturiser and sunscreen during the day

The Ritual Tip:
For optimal results, use consistently in your morning routine and layer with a broad-spectrum SPF to protect against environmental stressors and enhance skin resilience.

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: 90463275241

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4.8 ★★★★★
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M. Altvater
Grantham, US
★★★★★ 5
Coffee!
Color: Silver
Holds coffee, looks nice
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 19, 2025
A
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Amazon Customer
Massapequa, US
★★★★★ 5
Best Pillow Ever
Size: Queen(Pack of 2)
I am absolutely obsessed with these pillows! They have the perfect balance of firmness and softness, providing amazing support for my head and neck. I've never slept better, and I can honestly say I'd order more in a heartbeat. These pillows are a game-changer for my sleep quality. I highly recommend them to anyone looking for the ultimate comfort.
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Reviewed in the United States on May 30, 2026
H
Verified Purchase
HA
Dallas, US
★★★★★ 5
Worth it!
Size: Queen(Pack of 2)
These pillows are amazing and very soft and comfortable. They came nicely packaged and I let them sit out for just a few hours before using them and that was plenty of time! They come with the cooling cover and fit a standard queen sized pillowcase. The material expands well and does not have any weird smells. 10/10 well worth the price.
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Reviewed in the United States on May 27, 2026
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Bridgette Rose
Alexandria, US
★★★★★ 5
Miracle pillow
Size: Standard(Pack of 2)
Best pillow I’ve ever had. I have been using this since December 2024 and it still hasn’t gotten flat. It is amazingly comfortable and solves all my neck issues for a side sleeper. My head never gets hot either. I’ve recommended this to my friends and they’ve had success with it as well.
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Reviewed in the United States on May 28, 2026
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Kindle Customer
Bozeman, US
★★★★★ 4
Really wanted to love these
Size: Queen(Pack of 2)
I really wanted to love these but they gave me a stiff neck. I haven't slept with a pillow since buying these. They are firm except where you lay your head. It just deflates there. I expected it to sink in to match the curve of my neck but it was more than I could handle. My head ended up in a valley between the two ends of the pillow. The price was good, zipper worked fine, it looks as advertised and the pillows are good quality. The cooling part works, its just not what I needed.
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Reviewed in the United States on March 30, 2026

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