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Star5 qty The best for lightening dark spots.
elm...@ This is my holy grail product for brightening and lightening dark spots and hyperpigmentation. I used it every night after the 6 Peptide Booster for 2 weeks now and my acne spots are slowly going away.
Posted on 23-12-24 Recommend
Star4 qty So Far So Good
sno...@ I haven't ever used a dedicated niacinamide serum prior to this one although I've used other skincare products containing niacinamide and admittedly, until I did a little research I didn't realize what a workhorse it is. It helps control sebum production for those with oily skin but it also manages to regulate hydration and provide barrier support for those (like myself) with dry skin. With consistent use it's also known for reducing redness and rough skin texture. I've only been using it a short time but so far it's agreeing with my skin and I appreciate that niacinamide is an ingredient that "plays well" with other skincare and can be layered with other serums of my choice without interfering with their efficacy. I definitely can see how this is a serum that can literally suit almost everyone.
Posted on 23-12-20 Recommend
Star5 qty The only niacinamide that doesn’t break me out
dar...@ Usually niacinamide breaks me out like crazy, but this one is different. It actually keeps my nose from getting too oily, and tbh that’s all I use it for. So I believe it’s doing its job!
Posted on 23-12-22 Recommend
Star5 qty Love this Niacinamide serum !
Pri...@ COSRX's Niacinamide 15 Serum has proven to be a game-changer in my skincare routine. Its 15% concentration of niacinamide works wonders in controlling oiliness and minimizing pores. This serum's calming effect has significantly reduced breakouts, contributing to a more balanced complexion. The lightweight formula effortlessly integrates into my routine, allowing for easy layering with other products. Over time, I've observed a visible improvement in overall skin texture. If you're on the hunt for an effective niacinamide serum that tackles various concerns, COSRX has crafted a winner with this product. Highly recommended for a clearer and more refined complexion.

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Posted on 23-12-24 Recommend
Star4 qty Get this!!
glo...@ It’s my first time trying put cosrx serums and I love it! This has worked wonders on my dry/oily skin. I also appreciate that it doesn’t leave such a sticky feeling.
Posted on 23-12-19 Recommend

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