

✨ Unlock flawless skin with science-backed glow!
COSRX The Niacinamide 15 Serum is a dermatologist-formulated, lightweight serum featuring 15% niacinamide and 1% Zinc PCA to refine pores, improve skin texture, reduce excess oil, and fade dark spots. Trusted by thousands with a 4.4-star rating, it’s designed for fast absorption and safe for daily use, making it a must-have for professionals seeking clear, radiant skin.







| ASIN | B09ZYB8S31 |
| ASIN | B09ZYB8S31 |
| Best Sellers Rank | #2,308 in Beauty ( See Top 100 in Beauty ) #60 in Facial Treatments & Masks |
| Customer reviews | 4.4 4.4 out of 5 stars (7,214) |
| Date First Available | 6 August 2022 |
| Item model number | COS-048 |
| Item model number | COS-048 |
| Manufacturer | ANCORS CO.. LTD. |
| Manufacturer | ANCORS CO.. LTD. |
| Product Dimensions | 10.16 x 10.16 x 15.24 cm; 131.54 g |
| Product Dimensions | 10.16 x 10.16 x 15.24 cm; 131.54 g |
S**E
It works
I like this product it tightens the pores and you see results pretty fast
U**A
Amazing results
Good for very oily skin with large pores I have tried a lots of products but this have worked really well with my large pores. Pores are not diminished completely but it’s better than it was before using this product. This is my 2nd bottle and will continue using and I hope will see better results with long term use.
M**M
Does the job pretty well
Amazing
M**L
Ok
It's a good product but very strong for my skin. I used it only sometimes only.
ا**د
ممتازه مكوناته وبراند محترم
I**,
Corsx
It didn't help me, bought based on reviews, we humans we differ, just give it a try
A**A
مع الاستخدام الصح والاستمراريه تبين النتيجه 💯
S**L
السائق لم يعطيني الباقي من المبلغ وانا حقا لم يعجبني هذا
A**C
This product I can honestly say has been a remarkable addition to my skincare routine, particularly in addressing my longstanding battle with hyperpigmentation and uneven texture that comes with maturing skin. Its high concentration of niacinamide, known for its skin brightening and texture-improving properties, has genuinely started to transform my complexion. Sense I only apply once per day that’s pretty impressive in my book. From first use, the serum impressed me with its lightweight texture that absorbs seamlessly into the skin, leaving no sticky residue. This feature is particularly important to me, as it allows for easy layering with other products, and sense I apply daily at night it’s an important feature. One of the most noteworthy outcomes I've experienced since incorporating this serum into my regimen has been the visible reduction in dark spots and overall skin discoloration. My hyperpigmentation has gradually become less pronounced, revealing a more even skin tone that I've been striving to achieve for years. Additionally, the serum has effectively minimized the appearance of enlarged pores and provided relief from redness, enhancing my skin's overall clarity and texture. I haven’t noticed a difference in the overall moisture or hydration of my skin but it was never my intention anyway. What sets this product apart for me is not only its efficacy but also its gentle formula. Despite the high concentration of niacinamide, my sensitive skin has tolerated it well without any signs of irritation or dryness. This is a significant advantage, as many potent skincare treatments can be too harsh for delicate skin.. After consistent use, the improvements in my skin are undeniable. While patience is necessary to see full results, this serum has proven to be a powerful ally in reducing hyperpigmentation and enhancing my skin's overall health. I would highly recommend giving it a go if your looking to reverse hyperpigmentation or smooth out pores it’s definitely a product worth incorporating into your routine!
C**2
Love this!
E**A
Estoy súper contenta con este sérum de niacinamida de COSRX. Desde que lo uso, he notado una mejora real en el aspecto de los poros, se ven más pequeños y la piel mucho más uniforme. La sensación en la cara es muy agradable, deja la piel fresca, equilibrada y sin brillos excesivos. Es perfecto para piel muy grasa, ya que regula bien el sebo sin resecar ni irritar. Yo lo uso una vez al día y es más que suficiente para notar resultados. La textura es genial, ligera, se absorbe rápido y no deja sensación pegajosa, lo que facilita seguir con el resto de la rutina facial. Contras: sinceramente, no le encuentro ninguno. Cumple lo que promete y se ha convertido en un básico en mi cuidado facial diario. Muy recomendable.
E**M
Original
N**K
Cosrx serum I must say, is hands down the best facial serum I’ve ever used. From the first application, I noticed how smooth and refreshing it felt on my skin. It absorbs quickly, leaves no sticky residue, and gives my face such a healthy, radiant glow. Honestly, I wish I could buy it in dozens — like a pack of twelve — just to make sure I never run out. That’s how much I love it. If you're looking for a serum that truly delivers, this is the one.
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