COSRX The Niacinamide 15 Serum 20ml
This serum contains 15% niacinamide and various synergistic ingredients to effectively treat acne-prone skin. Formula’s niacinamide regulates sebum production, smooths skin and improves the appearance of acne scars. Other ingredients include N-acetylglucosamine (NAG) to gently exfoliate skin and fade hyperpigmentation, zinc PCA to balance skin’s oil-water levels and allantoin to promote collagen production.
Clinical Results in 4 weeks
Suitable for acne prone skin use (Non-comedogenic)
- 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 to the skin. Use fingertips to gently massage and absorb the serum, starting from the center of the face working towards the edges.




INGREDIENTS:
Water, Pentylene Glycol, Niacinamide(15%), Butylene Glycol, Acetyl Glucosamine, 1,2-Hexanediol, Zinc PCA, Trehalose, Xanthan Gum, Pullulan, Allantoin, Ethylhexylglycerin, Sodium Phytate, Citric Acid, Tocopherol.
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Product Information
Shipping & Returns
Shipping & Returns




COSRX The Niacinamide 15 Serum 20ml
COSRX The Niacinamide 15 Serum 20ml
This serum contains 15% niacinamide and various synergistic ingredients to effectively treat acne-prone skin. Formula’s niacinamide regulates sebum production, smooths skin and improves the appearance of acne scars. Other ingredients include N-acetylglucosamine (NAG) to gently exfoliate skin and fade hyperpigmentation, zinc PCA to balance skin’s oil-water levels and allantoin to promote collagen production.
Clinical Results in 4 weeks
Suitable for acne prone skin use (Non-comedogenic)
- 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 to the skin. Use fingertips to gently massage and absorb the serum, starting from the center of the face working towards the edges.




INGREDIENTS:
Water, Pentylene Glycol, Niacinamide(15%), Butylene Glycol, Acetyl Glucosamine, 1,2-Hexanediol, Zinc PCA, Trehalose, Xanthan Gum, Pullulan, Allantoin, Ethylhexylglycerin, Sodium Phytate, Citric Acid, Tocopherol.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
This serum contains 15% niacinamide and various synergistic ingredients to effectively treat acne-prone skin. Formula’s niacinamide regulates sebum production, smooths skin and improves the appearance of acne scars. Other ingredients include N-acetylglucosamine (NAG) to gently exfoliate skin and fade hyperpigmentation, zinc PCA to balance skin’s oil-water levels and allantoin to promote collagen production.
Clinical Results in 4 weeks
Suitable for acne prone skin use (Non-comedogenic)
- 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 to the skin. Use fingertips to gently massage and absorb the serum, starting from the center of the face working towards the edges.




INGREDIENTS:
Water, Pentylene Glycol, Niacinamide(15%), Butylene Glycol, Acetyl Glucosamine, 1,2-Hexanediol, Zinc PCA, Trehalose, Xanthan Gum, Pullulan, Allantoin, Ethylhexylglycerin, Sodium Phytate, Citric Acid, Tocopherol.
























