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COSRX 15% Niacinamide Face Serum, 0.67 fl oz, Pore Minimizer Serum for Face, Even Skin Tone, Korean Skin Care

  • Based on 6,892 reviews
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Availability: Only 10 left in stock, order soon!
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Arrives Wednesday, Jan 21
Order within 9 hours and 42 minutes
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Features

  • Redness Relieving Serum: Refine Pores, Smoothen Skin, Relieve Redness. The Niacinamide and Zinc PCA instantly improves skin texture and radiance by reducing excess oil and minimizing pore sizes.
  • Key Benefits: Based on real results from consumers' self assessments, the Niacinamide 15 Serum minimizes pore size, improves skin texture.
  • Dermatological Ingredients: 15% Niacinamide helps minimize enlarged pores and refine uneven skintone. Zinc PCA prevents potential breakouts from occurring.
  • How to Use: 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.
  • 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: Acne Prone, Combination, Oily


Product Benefits: Rejuvenating


Use for: Face


Scent: No Artificial Fragrance


Special Ingredients: antioxidants


Product Dimensions ‏ : ‎ 4 x 4 x 6 inches; 4.64 ounces


Item model number ‏ : ‎ COS-048


Manufacturer ‏ : ‎ Cosrx


Best Sellers Rank: #4,840 in Beauty & Personal Care (See Top 100 in Beauty & Personal Care) #138 in Facial Serums


#138 in Facial Serums:


Customer Reviews: 4.4 4.4 out of 5 stars (7,223)


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Jan 21

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.

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Top Amazon Reviews


  • Smooth, refined skin from first use
This is a very good serum. My skin feels almost instantly smoother, softer, and more refined right after applying it. It’s a bit sticky at first, but the stickiness disappears quickly as it absorbs. I’d love to see a 20% version someday, but even at 15% it works amazingly well on my skin. I highly recommend it. ... show more
Reviewed in the United States on November 29, 2025 by Tatiana

  • Great value
The COSRX Niacinamide 15% Face Serum is an impressive addition to any skincare routine, particularly for those dealing with issues like hyperpigmentation, large pores, and uneven skin tone. Here's a detailed review of its features and performance: **Ingredients and Formula**: The serum boasts a potent concentration of 15% niacinamide, a form of vitamin B3 known for its brightening and anti-inflammatory properties. Additionally, the formula includes other beneficial ingredients such as panthenol (pro-vitamin B5) for hydration, and allantoin to soothe the skin. The serum is free from parabens, sulfates, and artificial fragrances, making it suitable for sensitive skin. **Texture and Application**: The texture of the serum is lightweight and slightly viscous, which allows for easy application without feeling greasy or sticky. It absorbs quickly into the skin, making it convenient for both morning and evening routines. The dropper bottle ensures precise dispensing, minimizing product waste. **Performance**: Users report noticeable improvements in skin texture and tone after consistent use. The high concentration of niacinamide helps to reduce the appearance of dark spots and redness, leading to a more even complexion. Many have also observed a reduction in the size of their pores and an overall smoother skin surface. **Results**: With regular application, typically over a few weeks, the serum effectively diminishes hyperpigmentation and brightens the skin. It also aids in controlling excess sebum production, which can be beneficial for those with oily or acne-prone skin. The hydrating elements in the serum help maintain the skin's moisture barrier, preventing dryness and irritation. **Packaging**: The product comes in a sleek, minimalist bottle with a dropper for easy and hygienic application. The opaque bottle design protects the serum from light exposure, preserving the integrity of the ingredients. **Pros**: - High concentration of niacinamide - Lightweight, non-greasy formula - Noticeable improvements in skin texture and tone - Suitable for sensitive skin - Free from harmful additives **Cons**: - The 15% niacinamide concentration may be too potent for some, potentially causing initial irritation for sensitive skin types. It's advisable to perform a patch test before incorporating it fully into your routine. **Conclusion**: The COSRX Niacinamide 15% Face Serum is a powerful and effective solution for those looking to tackle hyperpigmentation, uneven skin tone, and enlarged pores. Its well-formulated blend of ingredients offers visible results without compromising on skin hydration or comfort. Despite its potency, with proper usage and gradual introduction into a skincare routine, it can become a staple for achieving clearer, brighter skin. ... show more
Reviewed in the United States on June 28, 2024 by Amanda

  • Results without the irritation!
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! ... show more
Reviewed in the United States on April 15, 2024 by Amanda*C

  • Effective and Gentle on Skin
This niacinamide serum is amazing! It’s lightweight, absorbs quickly, and has noticeably reduced the appearance of my pores while keeping my skin smooth and balanced. I also appreciate that it’s gentle, no irritation or dryness, even with daily use. A definite keeper in my skincare routine!
Reviewed in the United States on August 11, 2025 by Hanane

  • Product for oily skin that doesn't make it shiny
I'm a dark-skinned woman and Oh my god this is the best. I have oily skin and for years every time I tried a new product it would just make my skin oilier after a couple hours of it on my face. This doesn't get oily after time. I only use a hypoallergenic face soap and this serum. And my acne has cleared up. Of course I have good habits like changing my sheets and pillowcases at least once a week, keeping my hair clean and keeping my hands out of my face. Pairing those habits with this little serum while exfoliating once a week has cleared up my skin, minimized blackheads and evened out my skin tone. It's the only thing that works for me. ... show more
Reviewed in the United States on September 24, 2025 by Paula

  • Quality Issue
I feel like there are quality issues with this product on Amazon. I've ordered the niacinamide serum a few times and a couple of times, the serums varied in consistency and scent. One time, the serum had a yellow/ brown color with an oil like consistency, and smelled heavily of perfume (normally clear and no scent). Another time, it was more watery and made me break out, when the other times I've ordered the product, it worked great for my skin (except for the oil-like one). Not sure what's causing the product control issue but will likely buy from the Corsx website going forward. ... show more
Reviewed in the United States on September 20, 2025 by Amazon Customer

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