02.25.24
Amazing niacinamide serum
It's really amazing how such highly concentration niacinamide serum 15% but yet so nice on skin doesn't irritating skin at all لطيف جدا على البشرة ولا يسبب اى التهاب تهيج

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02.22.24
good
I love the serum. It helps a lot on my uneven skin. I normally use it at day timeN The COSRX Niacinamide Serum has contributed to a smoother complexion, refining the texture of my skin over time.

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02.10.24
Irritating
15 is pretty high for sensitive skin, it irritated my skin
01.15.24
Holy grail!
great for sensitive skin! makes the skin so supple :)

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12.27.23
Mmm
didn’t really like it it’s a little harsh for my sensitive skin

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