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COSRX 15% Niacinamide Face Serum is a dermatologist-trusted Korean skincare essential that combines a potent 15% niacinamide concentration with Zinc PCA to minimize pores, control oil, and even skin tone. Its lightweight, fast-absorbing formula is free from harsh additives, making it ideal for sensitive skin. Packaged in a sleek dropper bottle, this serum delivers visible improvements in texture and radiance, turning everyday skincare into a transformative ritual.










| ASIN | B09ZYB8S31 |
| Best Sellers Rank | #4,770 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #138 in Facial Serums |
| Customer Reviews | 4.4 4.4 out of 5 stars (7,312) |
| Item model number | COS-048 |
| Manufacturer | Cosrx |
| Product Dimensions | 4 x 4 x 6 inches; 4.64 ounces |
A**A
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.
T**A
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.
A**C
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!
H**E
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!
P**A
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.
S**H
Espectacular
Excelente producto
Z**I
Good serum have been using for a while now and have seen a drastic change in scars, very hydrating no stickiness my pigmentation has also reduced to a great extent
S**E
I like this product it tightens the pores and you see results pretty fast
I**E
Llevo años, décadas, buscando productos para mis problemas de piel. Tengo una piel mixta, super sensible, con poros dilatados y por si fuera poco, con tendencia a brotes de acné hormonal. Llevo muchísimo años luchando contra esto, teniendo que probar mil productos, hasta ahora nada me había ayudado, hasta que descubrí la cosmética coreana y su doble limpieza. Es lo único que ha hecho que mi piel mejore. Ahora que estaba consiguiendo una piel mas sana, y mejorar muchísimo los brotes de acné gracias a la doble limpieza, necesitaba cerrar los poros. De nada sirve que mantenga los poros limpios, limpiándolos mil veces, sino se cierran y dejan de producir tanta grasa, por qué el acné vuelve y vuelve y vuelve mientras los poros estén super dilatados y produciendo grasa en exceso. Por eso me centré en buscar algo que los cerrará. Pues después de usar mil productos, de farmacia, de alta cosmética y hasta remedios caseros, el único producto que mis ojos de verdad han visto un resultado positivo, es este suero ❤️ una maravilla. Había probado mil cosas, nada me cerraba los poros y además normalmente me resecaban en exceso y mi piel volvía de producir más exceso de grasa para contraatacar, toda la vida incluso dermatólogos me han recomendado el ácido salicílico y toda la vida, me ido fatal con él, me reseca en exceso y mi piel contraataca produciendo más grasa. Bueno pues gracias a este producto estoy consiguiendo equilibrar el exceso de producción de grasa y me ha cerrado los poros!! No puedo estar más encantada, ya lo he comprado dos veces. La única pega que le pongo es que no dura mucho, lo uso por la mañana y por la noche y la verdad que el bote me dura como dos semanas y medía, y solo uso tres gotas en la mañana y tres en la noche. Lo malo del producto de verdad esque no dura nada y no es especialmente barato, pero como es lo único que me ha funcionado, mientras que pueda, seguiré usandolo.
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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