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What it is: A total acne care serum formulated with 15% niacinamide.Who it's for: Ideal for all skin types.What it does: The highly concentrated serum combines maximum concentration of niacinamide with optimal ratios of synergistic ingredients for total acne control. It is noncomedogenic and won't clog pores.Research results:In a clinical trial on 20 subjects, over 4 weeks:- 45.27% improvement of activated sebaceous glands- 48.07% improvement of oil synthesis amount- 42.72% improvement of number of blackheads- 50% improvement of number of whiteheads- 15.50% improvement of hidden melasma and blemishes- 19.47% improvement of pigmentation (visible melasma and blemishes)- 2.59% improvement of triple-complexion skin tone (brightness)- 24.89% improvement of triple-complexion skin tone (redness)- 11.73% improvement of triple-complexion skin tone (yellowness)How to use: After cleansing, during the serum phase, apply a few drops of the Niacinamide serum to the skin. Use fingertips to gently massage and absorb the serum, starting from the center of the face, working towards the edges. Use the serum in the morning, evening or afternoon. If applied during the morning/day, be sure to use sunscreen with an SPF of 30 or higher. 0.67 oz.

Cosrx The Niacinamide 15 Serum 20ml-no Color
Cosrx The Niacinamide 15 Serum 20ml-no Color In N,a
Cosrx The Niacinamide 15 Serum 20ml-no Color In No Color
Cosrx The Niacinamide 15 Serum 20ml-no Color In No Color
Cosrx The Niacinamide 15 Serum 20ml-no Color In No Color
Cosrx The Niacinamide 15 Serum 20ml-no ColorCosrx The Niacinamide 15 Serum 20ml-no Color In BlackCosrx The Niacinamide 15 Serum 20ml-no Color In BlackCosrx The Niacinamide 15 Serum 20ml-no Color
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First seen in Aug 2025
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COSRX
The Niacinamide 15 Serum 20ml-no Color In Black

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Cosrx The Niacinamide 15 Serum 20ml-no Color
Ulta Beauty
$25
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Cosrx The Niacinamide 15 Serum 20ml-no Color In N,a
REVOLVE
$25
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Cosrx The Niacinamide 15 Serum 20ml-no Color In No Color
Nordstrom
$25
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Nordstrom
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Cosrx The Niacinamide 15 Serum 20ml-no Color
macy's
$25
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Cosrx The Niacinamide 15 Serum 20ml-no Color In Black
ASOS
$35
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Cosrx The Niacinamide 15 Serum 20ml-no Color
Lookfantastic
$39
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Cosrx The Niacinamide 15 Serum 20ml-no Color
Dermstore
$25
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Cosrx The Niacinamide 15 Serum 20ml-no Color
Lookfantastic
$64
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Product Details
COSRX THE NIACINAMIDE 15 SERUM WITH ACETYL GLUCOSAMINE + ZINC PCA

COSRX THE NIACINAMIDE 15 SERUM WITH ACETYL GLUCOSAMINE + ZINC PCA

THE NIACINAMIDE 15 SERUM 0.7FLOZ. Benefits: Niacinamide : Provides total acne care by controlling sebum production, soothing acne inflammation and diminishing post acne scars. N-Acetylglucosamine (NAG) : Works in synergy with niacinamide to effectively fade hyperpigmentation. Zinc PCA : Inhibits inflammation and promotes recovery of damaged skin. Allantoin : Promotes collagen synthesis to facilitate skin regeneration. : :

Product Detail Provided by Ulta Beauty - Purchase Now
COSRX THE NIACINAMIDE 15 SERUM

COSRX THE NIACINAMIDE 15 SERUM

COSRX The Niacinamide 15 Serum in N/A - Beauty: NA. Size all. Highly concentrated serum that combines the maximum concentration of niacinamide with optimal ratios of synergistic ingredients for total acne control.. Suitable for all skin types Targets blackheads, whiteheads, pigmentation, and complexion. Cruelty-free. 20ml / .67 fl oz. After cleansing, during the serum phase, apply a few drops to the skin.. Use fingertips to gently massage and absorb the serum, starting from the center of the face working towards the edges.. CORX-WU75. COS317. COSRX - pronounced kos-are-ex - is committed to making ingredient-oriented, high-performance skincare. Using a minimal number of highly effective natural extracts in concentrated doses, COSRX products deliver visible results by treating skin with only the essentials it needs and nothing it doesn't.

Product Detail Provided by REVOLVE - Purchase Now
COSRX COSRX THE NIACINAMIDE 15 SERUM

COSRX THE NIACINAMIDE 15 SERUM

What it is: A total acne care serum formulated with 15% niacinamide.Who it's for: Ideal for all skin types.What it does: The highly concentrated serum combines maximum concentration of niacinamide with optimal ratios of synergistic ingredients for total acne control. It is noncomedogenic and won't clog pores.Research results:In a clinical trial on 20 subjects, over 4 weeks:- 45.27% improvement of activated sebaceous glands- 48.07% improvement of oil synthesis amount- 42.72% improvement of number of blackheads- 50% improvement of number of whiteheads- 15.50% improvement of hidden melasma and blemishes- 19.47% improvement of pigmentation (visible melasma and blemishes)- 2.59% improvement of triple-complexion skin tone (brightness)- 24.89% improvement of triple-complexion skin tone (redness)- 11.73% improvement of triple-complexion skin tone (yellowness)How to use: After cleansing, during the serum phase, apply a few drops of the Niacinamide serum to the skin. Use fingertips to gently massage and absorb the serum, starting from the center of the face, working towards the edges. Use the serum in the morning, evening or afternoon. If applied during the morning/day, be sure to use sunscreen with an SPF of 30 or higher. 0.67 oz.

Product Detail Provided by Nordstrom - Purchase Now
COSRX THE NIACINAMIDE 15 SERUM, 0.67 OZ.

COSRX THE NIACINAMIDE 15 SERUM, 0.67 OZ.

A highly concentrated serum that combines the maximum concentration of niacinamide with optimal ratios of synergistic ingredients for total acne control. Beauty Skin Care - Skin Care - Skin Care Categories (new)

Product Detail Provided by macy's - Purchase Now
COSRX THE NIACINAMIDE 15 SERUM 20ML-NO COLOR

COSRX THE NIACINAMIDE 15 SERUM 20ML-NO COLOR

Face + Body by COSRX Skincare just got serious Highly concentrated serum Designed to control excess sebum and minimize the appearance of clogged pores Suitable for oily and combination skin types Niacinamide aims to minimize blemishes and pores by regulating sebum production for an even complexion Product is non-returnable for hygiene reasons

Product Detail Provided by ASOS - Purchase Now
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