The Story
CosRx The Niacinamide 15 Serum (20g) is a high-strength niacinamide serum built to comprehensively tackle acne-related concerns, excess sebum, clogged pores, rough texture and post-blemish marks. With 15% Niacinamide supported by Acetyl Glucosamine and Zinc PCA, this concentrated Korean serum works towards a clearer, healthier complexion.
Niacinamide regulates sebum and helps reduce the look of scarring, while N-acetylglucosamine (NAG), Zinc PCA and Allantoin enhance its efficacy, unclogging pores, controlling oil and gently exfoliating to reveal smoother, blemish-free skin. Ideal for oily, acne-prone and congested skin.
Niacinamide, renowned for its sebum-regulating and scar-reducing properties, takes centre stage, while synergistic ingredients like N-acetylglucosamine (NAG), Zinc PCA, and Allantoin work together to enhance its efficacy. Cruelty-free.
Key Benefits
- High-strength 15% Niacinamide for visible results on blemish-prone skin.
- Regulates sebum and unclogs pores.
- Helps reduce the appearance of post-blemish marks and scarring.
- Gently exfoliates for smoother, clearer texture.
Key Ingredients
- Niacinamide (15%) - sebum control and scar-refining powerhouse.
- N-Acetylglucosamine (NAG) - boosts brightening efficacy.
- Zinc PCA - regulates oil production.
- Allantoin - soothes and comforts.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
CosRx The Niacinamide 15 Serum (20g) is a high-strength niacinamide serum built to comprehensively tackle acne-related concerns, excess sebum, clogged pores, rough texture and post-blemish marks. With 15% Niacinamide supported by Acetyl Glucosamine and Zinc PCA, this concentrated Korean serum works towards a clearer, healthier complexion.
Niacinamide regulates sebum and helps reduce the look of scarring, while N-acetylglucosamine (NAG), Zinc PCA and Allantoin enhance its efficacy, unclogging pores, controlling oil and gently exfoliating to reveal smoother, blemish-free skin. Ideal for oily, acne-prone and congested skin.
Niacinamide, renowned for its sebum-regulating and scar-reducing properties, takes centre stage, while synergistic ingredients like N-acetylglucosamine (NAG), Zinc PCA, and Allantoin work together to enhance its efficacy. Cruelty-free.
Key Benefits
- High-strength 15% Niacinamide for visible results on blemish-prone skin.
- Regulates sebum and unclogs pores.
- Helps reduce the appearance of post-blemish marks and scarring.
- Gently exfoliates for smoother, clearer texture.
Key Ingredients
- Niacinamide (15%) - sebum control and scar-refining powerhouse.
- N-Acetylglucosamine (NAG) - boosts brightening efficacy.
- Zinc PCA - regulates oil production.
- Allantoin - soothes and comforts.



















