Cosrx CosRx, The Niacinamide 15 Serum, 0.67 fl. oz. (20 ml)
Cosrx
CosRx, The Niacinamide 15 Serum, 0.67 fl. oz. (20 ml)
- Cosrx
- Moisturizers
- ₱1,518.00
2 StepAcetyl Glucosamine + Zinc PCAOil ControlMinimize Pores & SebumHighly concentrated 15% niacinamide serum that helps control excess sebum and minimizes the appearance of clogged pores.
4.8
₱1,518.00
Retail price
Iherb
Member reviews | 9
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@cynthia.collad...
Philippines
6 reviews
- Age : 33 years
- Skin type : Combination
- Skin concern : Uneven skin tone|Fine Lines & Wrinkles|Scarring|Sagging|Pores|Aging|Acne prone|Dark spots
Instant glow up
Reviewed: 18 days ago Usage date: April 2026
Purchased by reviewer
I have noticed instant glow up with using this niacinamide. Whether i use it at night or layered in my make up, it just instantly makes a difference. Love COSRX products so much!
@Latch
Philippines
9 reviews
- Age : 26 years
- Skin type : Oily
- Skin concern : Pores|Aging|Sensitive|Acne prone|Dark Spots
The Best Serum for Oily, Acne-Prone Skin!
Reviewed: 1 month ago
Purchased by reviewer
Been using this Niacinamide 15 for months and I can say that this is the best serum for someone with oily, acne-prone skin like me. It has higher niacinamide content which makes it work faster and better on the skin. It prevents acne, oil, and heals dark spots faster. The glass bottle that it comes in is also a good idea for the packaging.
@Shanacano30
Philippines
1 reviews
- Age : 27 years
- Skin type : Combination
- Skin concern : Uneven skin tone|Pores|Acne prone|Dark Spots
Really Helped My Acne Marks
Reviewed: 8 months ago
Purchased by reviewer
Been using the COSRX Niacinamide 15% Serum for a few weeks now and wow, it really helped lighten my dark spots. My acne marks don’t look as strong anymore and my skin looks more even. The serum feels light, not sticky, and it absorbs fast. I was a bit scared at first since it’s 15%, but I just used it slowly and it didn’t irritate my skin. Super happy with the results so far!
@bea.roque
Philippines
6 reviews
- Age : 31 years
- Skin concern : Uneven skin tone|Fine lines & wrinkles|Sagging|Dark Spots
For uneven skintone and darkspots
Reviewed: 9 months ago
Purchased by reviewer
I had been searching for a long time for something that could lighten the dark spots on my face. I tried so many serums, but they only damaged my skin barrier. I'm so glad I finally tried this—it's truly worth it!
@edward.magcami...
Philippines
25 reviews
- Age : 37 years
- Skin concern : Uneven skin tone|Scarring|Pores|Aging|Acne prone
- Skin type : Normal
control breakout and fade scars
Reviewed: 10 months ago
Purchased by reviewer
If you’re looking to refine texture, control breakouts, and gradually fade scarring—and don’t mind a serum on the stronger side—this is a high-value pick. Just start slow, moisturize well, and monitor how your skin responds.
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