07.10.22
Easily minimize Pores and control Sebum
Made with a high concentration of 15% nicacinamide, acetyl glucosamine, and zinc PCA, this product provides total acne care from start to finish, controls sebum and oil while minimizing the appearance of pores, and smooths rough skin through chemical exfoliation. When I first started this, my pores became huge (but we also went over 24 hours at the lake without running water and so skincare sat on the back burner and I skipped a day). After a few days of using this every night, the appearance of my pores began to minimize and I found that my skin was smoother with sebum and oil better controlled. I haven't been using this long enough to see any acne benefits, but I am premenstrual right now and have noticed very little acne.

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07.09.22
Not for me
15% Niacinamide, Acetyl Glucosamine, Zinc PCA, Allantoin Not too sure why CosRx went so hard on these percentages but man 15% was a little intense. This one didn’t suit my skin and caused some breakouts. I tried to target this on my t-zone only but it just didn’t work well for me. I think this might be better suited for oily-resilient skin. The serum is actually quite pleasant in texture, especially for something based on niacinamide. It is intended to exfoliate the skin & soothe acne.

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07.09.22

It has a light in texture making it very easily absorbed without greasy feeling and unscent.A nice serum that helps keep the skin hydrated when used under a moisturizer. I use this in the morning mix it with vitamin c and it really plumps up my skin. There's no distinct scent and I think it would work well on all skin types,including sensitive skin.

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07.09.22
Helps with congestion and maskne
NIACINAMIDE 15 #AcneDermSerum Targeted towards acne care, sebum & oil control. Also provides exfoliating properties & smoothens the skin. Cosrx formulated this with the maximum concentration of 15% which I thought was not possible. From what I heard, we only need 5-10% of Niacinamide. I’m not complaining tho bc even with this conc, this did not cause any stinging or irritation. My previous one was 10% and would occasionally cause stinging & pilling. Happy that this serum layers and absorbs well. Even tho Niacinamide is known for it’s brightening benefits, I typically use Niacinamide to address congestion on my chin and prevent maskne. Hassle free application & my skin actually feels smoother. This is my fave out of these 3 serums!

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07.09.22
Leaves a wierd residue
I don't suffer with acne but I do have combo skin with an oily tzone which is what I mainly use niacin for. It has a toner like texture with a slippery slip feeling when you apply it. It dries down almost instantly so I find it applies better with a roller than my hands. It helps reduce the excess oil my skin produces but it leaves behind a residue I don't like so I've been using it at night.⁣

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