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Description
COSRX The Vitamin C 23 Serum 20gCOSRX The Vitamin C 23 Serum COSRX The Vitamin C 23 Serum is for people who want to brighten their skin tone and have a more even look. The COSRX The Vitamin C 23 Serum is a highly concentrated serum that contains pure vitamin C to help make skin appear clearer and smoother. Why We Recommend This Product The product comes in a 20g bottle. It contains 23% pure vitamin C, also known as ascorbic acid. It includes ingredients like Super Vitamin E and
COSRX The Vitamin C 23 Serum
COSRX The Vitamin C 23 Serum is for people who want to brighten their skin tone and have a more even look. The COSRX The Vitamin C 23 Serum is a highly concentrated serum that contains pure vitamin C to help make skin appear clearer and smoother.
Why We Recommend This Product
- The product comes in a 20g bottle.
- It contains 23% pure vitamin C, also known as ascorbic acid.
- It includes ingredients like Super Vitamin E and hyaluronic acid.
- The serum has a yellowish colour and a lightweight feel.
- It requires storage in the refrigerator to keep it fresh.
- The product should be used within two months after opening.
- It has a two-layer formula that you need to shake before using.
- The packaging includes a separate dropper to use for the first time.
The COSRX The Vitamin C 23 Serum is a powerful serum that helps to improve the look of skin. The formula combines 23% pure vitamin C with other ingredients. It has a lightweight texture that feels like an oil. This helps the vitamin C stay fresh. When you first get the COSRX The Vitamin C 23 Serum, you should switch out the cap with the included dropper.
The serum contains Super Vitamin E, which is a powerful antioxidant. The addition of hyaluronic acid provides moisture. It is important to store the COSRX The Vitamin C 23 Serum in a cool, dark place. The refrigerator is best for this. This helps stop the vitamin C from changing colour or losing its power. Because this product has a high amount of vitamin C, it is a good option for people who have used vitamin C products before.
When you use the COSRX The Vitamin C 23 Serum in the morning, always follow it with sunscreen. This helps to protect your skin. The serum should be used in your skincare routine after washing your face and toning. Only a few drops are needed for your whole face.
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, Butylene Glycol, 1,2-Hexanediol.
Directions
Shake lightly once or twice before use. Apply two to three drops onto the face and massage gently into the skin.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.3 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 3
Fabric way to heavy.
Fit Type: Regular, Size: Medium, Color: White
Cute, but material is WAY to heavy, like the heaviest duty denim I've ever seen. Wanted this to be a cute coverup. If you're needing something while breaking broncos or riding your motorcycle would probably be great. I kept it for a while because it was good quality and well made, but it ended up in the donation pile as I'd never wear this.
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Reviewed in the United States on June 10, 2026
★★★★★ 5
Awesome jacket
Fit Type: Regular, Size: Medium, Color: Stone Dark Wash
Love it so not too long or too short but just right and the color is out of sight and fits awesome
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Reviewed in the United States on June 12, 2026
★★★★★ 5
Old school denim — not stretchy
Fit Type: Regular, Size: X-Small, Color: Authentic Medium Wash
Fabric used is old school denim — not the thin, stretchy stuff that pretty much everything called “denim” is today. It is 99% cotton (20% of which is recycled cotton) and 1% elastane, but I can’t feel any stretch in the fabric. It is a substantial, non-stretchy denim that gives the jacket really good structure. It has a higher end fit and look than the price would suggest.
I wanted a more fitted denim jacket so ordered an XS even though according to the size chart I need a small. (I have a 34.5” bust, 28” waist at 118 pounds 5’4”.) It still buttons over a t shirt or lightweight sweater with freedom for movement/without being tight, but if I wanted a roomy fit or the ability to wear a heavier sweater or sweatshirt underneath and still be able to comfortably button it I would have needed a small. The shoulders are cut broad — I have very broad shoulders and the XS surprisingly fits my shoulders well. This jacket may not be the greatest fit for you if you have very narrow shoulders, unless you are going for an oversized look.
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Reviewed in the United States on May 17, 2026
★★★★★ 5
made well
Fit Type: Regular, Size: Large, Color: Iced Light Wash
I couldn't get this in my size (medium) so I ordered large. it's a little large in the shoulders, but it still looks good. it is a well made, substantial jacket. I love it!
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Reviewed in the United States on June 12, 2026
★★★★★ 5
good stretch
Size: 10 Long, Color: Dark Wash
Honestly, these are one of those surprisingly good basics—especially for the price.
The biggest standout is the stretch. They’re really comfortable and move with you, so they don’t have that stiff “jeans” feeling. They hug your body in a flattering way without feeling too tight or restrictive, which makes them easy to wear all day.
The mid-rise fit is also a sweet spot—not too low, not too high—so they’re super versatile with different tops.
What I liked:
Very stretchy and comfortable (almost feels like jeggings, but still looks like denim)
Flattering skinny fit through the legs
Easy everyday jeans—work, errands, going out
Great value for the price
What to know:
Material is on the thinner side (more comfort than “structured denim”)
They can lose shape slightly after a full day of wear
Not the most durable long-term compared to higher-end denim
Final thoughts:
These are perfect if you want cute, comfortable, affordable jeans you can throw on with anything. Not premium denim, but for everyday wear—they definitely get the job done and are worth having in your rotation.
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Reviewed in the United States on April 10, 2026