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Ships within 48 hours · Estimated delivery Jul 12 - Jul 17
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Description
COSRX The Niacinamide 15 Serum - 20mlWhat It Is: Struggling with enlarged pores, redness, and uneven skin tone? The COSRX The Niacinamide 15 Serum (20ml) is your new best friend! This lightweight, fragrance free serum is packed with 15% Niacinamide, a superstar ingredient that tackles a variety of concerns for smoother, more balanced skin. Here's how it works: Minimizes Pores: Niacinamide helps regulate sebum production, keeping your pores less congested and your skin looking smoother.
What It Is:
Struggling with enlarged pores, redness, and uneven skin tone? The COSRX The Niacinamide 15 Serum (20ml) is your new best friend! This lightweight, fragrance-free serum is packed with 15% Niacinamide, a superstar ingredient that tackles a variety of concerns for smoother, more balanced skin.
Here's how it works:
- Minimizes Pores: Niacinamide helps regulate sebum production, keeping your pores less congested and your skin looking smoother.
- Calms the Redness: Whether you have occasional redness or chronic irritation, Niacinamide's calming properties can help soothe your skin.
- Evens Out Your Tone: Uneven skin tone? Niacinamide helps fade hyperpigmentation and dark spots, leaving you with a brighter, more radiant complexion.
- Gentle Enough for Everyday Use: This lightweight formula absorbs quickly and is gentle enough for all skin types, even sensitive skin.
- More Than Just Niacinamide:
- This powerful serum isn't a one-trick pony. It also contains:
- N-Acetylglucosamine (NAG): This gentle exfoliant helps smooth rough skin and fade hyperpigmentation.
- Zinc PCA: This ingredient helps balance your skin's natural oil production for a less oily look.
- Allantoin: This soothing ingredient promotes collagen production, keeping your skin looking youthful.
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
4.6 ★★★★★
Based on 1631 reviews
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Product Reviews
★★★★★ 1
Drying formula and smell bad
Smell so bad and made my hands dry instead of moisturizing. The formula is watery. Maybe it’s fake or expired I am not sure.
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Reviewed in the United States on December 25, 2025
★★★★★ 5
Saved my skin barrier!!
I rarely write reviews, but this product truly deserves it. I have sensitive, dry skin with mild to moderate rosacea that became even more fragile after chemotherapy. While trying to repair my skin barrier, I overdid it with actives and completely wrecked my skin — it was red, raw, burning, and peeling.
I turned to ChatGPT for help, and this Avene Cicalfate+ was one of the top recommendations. I started using it about three weeks ago, and wow — the difference is incredible! My skin has healed beautifully. The redness is dramatically reduced, the irritation is gone, and my skin feels soft, smooth, and calm again.
The texture is soft and luxurious without being sticky. I love that there’s no noticeable scent, which is perfect for sensitive skin. It arrived well packaged and intact. For the results it delivers, I consider it an amazing value and will absolutely repurchase again and again.
If you’re on the fence about trying this, go for it — it truly rescued and revived my skin barrier. This is now a permanent part of my routine and 100% a holy grail product for me!
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Reviewed in the United States on October 23, 2025
★★★★★ 5
Hydrating and Powerful Barrier Repair Serum!💧
This serum has been life-changing in calming and restoring my skin barrier. It absorbs quickly, feels lightweight, and instantly soothes irritation without feeling greasy. I’ve noticed my skin looks healthier and more balanced after just a few uses. It’s gentle enough for sensitive skin and works especially well when my skin barrier feels compromised. It is also fragrance-free, which I always appreciate! Trust me, it’s well worth the money!
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Reviewed in the United States on December 28, 2025
★★★★★ 5
Works as created.
Have been using for a few weeks and have noticed 15% improvement in skin and issues. I did notice a difference in the first 24 hours as advertised. It is suggested need a full month I think to see the true results.
At 50 I have pre menopausal skin issues- the redness & inflammation, acne, tightness and sensitivity. It is helping in addition to the other Avene skin products that come in the trial box for sensitive or SOS skin box trial size I think ot is called.
This has made a difference. It is easy to apply. I use morning and night. It is different from the Cicalfate + Cream. I use that also as needed. I am happy and recommend it. The price is higher than what I spend. But I wanted to try it to see of i need more than just what was in the Avene sensitive skin trial size box they have. My skin is really red and irritated so the $40 for the bottle is was willing to try because it's painful on my face.
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Reviewed in the United States on April 23, 2026
★★★★★ 4
Okay serum, not as good as the cream though
I am obsessed with the cream version of this so I thought I’d give this a try. The dropper top allows for easy application. The formula is light and non greasy and absorbs easily. No harsh fragrances. I would use it when I had eczema flares on my face and feel like it didn’t work near as well in helping with skin irritation as the cream does. As of now I don’t use it as part of my regular skin care. Do I think it’s a bad product? No, but it didn’t really work wonders for me. Not sure I would purchase again.
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Reviewed in the United States on May 21, 2026
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