COSRX Pure Vitamin C 13% Serum with Vitamin E & Hyaluronic Acid, Hydrating Facial Serum for Fine Lines, Uneven Skin Tone & Dull Skin, 0.67fl.oz/20ml, Korean Skin Care
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Availability:
Only 10 left in stock, order soon!
Arrives
Tuesday, Jul 22
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Features
- A lightweight Vitamin C Booster Serum. Fight early signs of aging and improve the skin'sradiance with the lightweight and hydrating Vitamin C serum.
- Patch Test Recommended: This serum consists of highly concentrated pure Vitamin C. A patch test on the body is recommended before using it on the face.
- Dermatological Ingredients: Pure Vitamin C (Ascorbic acid) helps achieve youthful glowing skin. Super Vitamin E (Tocotrienol) helps fight signs of aging and slows down skin damage. Hyaluronic acid delivers rich moisture deep into the skin and helps reduce the appearance of fine lines and wrinkles.
- How to Use: Shake 1-2 times before use and apply 2-3 drops once or twice daily. For daytime wear, follow up with SPF 30+ sunscreen. Can be applied under the eye area; avoid direct eye contact. Store in the fridge to prevent oxidation.
- Patch Test Recommended: Perform a patch test on the body before using on the face. Proceed to using on the face if no irritation occurs in 24 hours. Consult with your doctor immediately if irritation occurs.
Skin Type: Sensitive
Product Benefits: Brightening
Use for: Face
Scent: Unscented
Special Ingredients: hyaluronic_acid
Product Dimensions : 1.65 x 2.48 x 4.02 inches; 0.71 ounces
Item model number : SC40TR06
Manufacturer : COSRX
Country of Origin : Korea, Republic of
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Jul 22
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
I've been back and forth with skin care for years. From pricey brands to more affordable brands. My last purchase of vitamin c serum was from skinceuticals. Super expensive and although it was ok it certainly isn't worth the price. I use the snail mucin from cosrx and I really like it, so I decided to try the vitamin c 13 from cosrx. They also have a vitamin c 23, but I wanted to try the 13 first. Like many of the reviews mention it does have a "fishy" smell to it, but it doesn't last for long. I'm on the 5th day of using this and I can't believe it. I can see a difference. My skin is brighter and softer in just a few days. I've never with any other skin product have seen results so quickly. I do believe I've finally found a good vitamin c serum that I'm gonna stick with and like I mentioned this is the 13%. When this is gone, I'll order the 23%. I do recommend starting with the 13% to avoid any skin irritation and then move up to the 23%. I am a little bummed out because it took me a long time and alot of money before I was able to find cosrx, but now that I found it, I'll continue to use it. I highly recommend and shout out to cosrx for making awesome skin care products affordable. 🌟🌟🌟🌟🌟
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Reviewed in the United States on February 4, 2024 by Kimmie S.
It's difficult for me to open the box yet worth the fight. I love the sound upon opening. The suction says it's well packaged. It's a fantastic product. I noticed while starting on the second bottle an improvement in my skins appearance. I had have discoloration but my skin is much more even toned now. This is a pleasant surprise. No C serum improved my skin. I use vitamin C serum because you're "supposed" to. This one works. This product even teaches users how to apply and massage the serum in. I'll continue to buy the COSRX serum because it works. It lasts about a month using once daily. For the price that's good enough considering less effective vitamin C serums show no improvement at all. I love that users are taught to refrigerate this C Serum. That means top notch quality! The last picture is the difference the loss of potency when the product is not refrigerated . The final picture is the serum when it's fresh and refrigerated. The serum is lighter in color when it's kept cold and fresh
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Reviewed in the United States on September 14, 2024 by Lobejean56 Lobejean56
Yes, it is moisturizing. It is even better than paper masks. But it has a scent like food (?), that is a bit strange, and the serum is so yellow, every morning I wipe my face with cotton pad with toner, the pad became yellow….. so I guess it makes your skin more yellow too?
Reviewed in the United States on April 4, 2025 by Mel
This product is a must have it has helped brighten my skin a lot I’m on my 2nd one , I definitely recommend it.
Reviewed in the United States on May 3, 2025 by alicia
Background: I’m not a skin care expert and am not a skin care professional. But I’m someone who recently got into skin care for myself. I have uneven skin tone and dull looking skin. In my 30s, brown skin, and I seldom use any makeup. About Vitamin C and this product: Vitamin C is great to even out skin tone and make it bright. This one is a very potent Vitamin C serum - it is 13% vitamin C. To put that into context, most starter vitamin C serums and creams are 10%. But this concentration suited me well and I saw results almost from Day 1. A little goes a long way, don’t need to apply too much. Within 2 weeks most of my dark patches were gone and my skin was glowing. After 1 month of use I even stopped using makeup altogether even while going out. In short it worked great for me. The catch: Do remember, this is acidic (Ascorbic acid). And it is pretty concentrated at 13%. If you have sensitive or thin skin, this should NOT be the first thing you should apply on cleansed face. Use a toner or anything which can repair skin barrier before using this serum. Otherwise it can cause extremely dry skin, irritation and redness. I use the Cera Ve hydrating toner. Also follow it up with a good moisturizer to prevent skin from drying. If you are going out in the sun then sunscreen is a must, otherwise this will do more harm than good. Don’t overdo it, applying it once a day and like a serum (few drops) should be enough. Look out for patches of redness and dried skin when using, it is usually means you are overdoing it and need to back off a little. Use a night moisturizer to calm the skin - that worked for me.
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Reviewed in the United States on December 26, 2023 by Sirisha
it’s smells like wet dog food. but it feels great on the skin, and it’s brightened my skin so far
Reviewed in the United States on October 26, 2024 by Jo
Excelente producto
Reviewed in the United States on June 5, 2025 by ximena
Llevo usando este producto durante unas 4 semanas y los resultados han sido impresionantes. Mi piel está mucho más suave, hidratada y con un brillo natural que antes no tenía. Tenía algunas zonas con resequedad y rojeces, y han mejorado notablemente. La textura es ligera, se absorbe rápido y no deja sensación grasosa. Además, el aroma es suave y muy agradable. Lo uso a diario y se ha convertido en un paso esencial de mi rutina de cuidado facial. ¡Súper recomendado para quienes buscan un producto eficaz y delicado con la piel!
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Reviewed in the United States on June 14, 2025 by Daniela