COSRX

The Niacinamide 15 Serum 20ml

Regular price $23.00

#Provides total acne care at all stages from start to finish
#Controls excess sebum and tightens enlarged pores dramatically
#Fades acne scars dark spots and evens skin tone
#Reduces bumpy texture and prevents breakouts effectively
#Non-comedogenic lightweight formula absorbs quickly without residue

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COSRX The Niacinamide 15 Serum (20ml)

Total acne care with 15% niacinamide! A highly concentrated serum formulated with the maximum effective concentration of 15% niacinamide, blended with optimal ratios of synergistic ingredients including 2% Acetyl Glucosamine (NAG) and 1% Zinc PCA for comprehensive acne control. COSRX developed this serum based on real consumer reviews showing that niacinamide is most effective for acne treatment. After countless formulations, this "total acne care" serum was created to target all stages of acne, from the initial formation to the final healing stage. The lightweight, refreshing texture absorbs quickly without leaving any sticky residue, making it easy to layer under other skincare products or makeup. Clinically proven to reduce blackheads by 42.27% after 4 weeks. Non-comedogenic tested to ensure it doesn't clog pores. This optimal combination addresses excess oil, uneven skin tone, lack of radiance, rough skin texture, enlarged pores, and all stages of acne formation. Free from parabens, sulfates, silicones, oils, and fragrances. 20ml (0.67 fl.oz) compact size.

Total Acne Care & Pore Control Results

• Clinical Excellence

Cruelty-free, fungal acne safe, reef safe, non-comedogenic tested, free from parabens, sulfates, silicones, oils, and fragrances

• 15% Niacinamide Technology

Maximum effective concentration provides total acne care by controlling sebum production, soothing acne inflammation, and diminishing post-acne scars throughout all stages

• Synergistic Triple Action

15% Niacinamide + 2% NAG + 1% Zinc PCA work together to control sebum, fade hyperpigmentation, inhibit inflammation, tighten pores, and promote skin recovery

Perfect For

✓ Oily & acne-prone skin ✓ Excess sebum & enlarged pores ✓ Bumpy rough texture ✓ All stages of acne

Clinically Proven Results After 4 Weeks

• 42.27% reduction in blackheads
• Non-comedogenic tested - doesn't clog pores

Target Concerns

Key Ingredients

• Niacinamide (15%) - Maximum effective concentration of vitamin B3 provides total acne care by controlling sebum production, reducing inflammation, soothing active acne, diminishing post-acne marks, brightening skin tone, minimizing pore appearance, and strengthening barrier function

• N-Acetylglucosamine/NAG (2%) - Amino sugar that works in powerful synergy with niacinamide to effectively fade hyperpigmentation, brighten skin, enhance exfoliation, and accelerate scar healing

• Zinc PCA (1%) - Mineral derivative that inhibits inflammation, controls excess sebum and oil production, provides antibacterial benefits, promotes recovery of damaged acne-prone skin, and helps tighten pores

• Allantoin (0.1%) - Soothing ingredient that promotes collagen synthesis to facilitate skin regeneration, calms irritation, and accelerates healing of acne lesions

• Tocopherol (Vitamin E) - Antioxidant that protects against free radical damage and supports barrier function

• Trehalose - Natural sugar with excellent water-binding properties provides hydration and protects against environmental stress

• Xanthan Gum & Pullulan - Natural thickeners that create smooth texture and provide skin-conditioning benefits

Full Ingredients List (15 Total)

Water, Pentylene Glycol, Niacinamide (15%), Butylene Glycol, Acetyl Glucosamine (2%), 1,2-Hexanediol, Zinc PCA (1%), Trehalose, Xanthan Gum, Pullulan, Allantoin (0.1%), Ethylhexylglycerin, Sodium Phytate, Citric Acid, Tocopherol

How to Use

Daily Total Acne Care Routine

• After cleansing and toning, 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

• Follow with moisturizer

• Can be used morning and/or evening (not just at night!)

• If applied in the morning, be sure to use with SPF 30 or higher

Advanced Usage Tips

• For active breakouts, apply additional drops directly to affected areas as spot treatment

• Safe to use daily without irritation due to optimal concentration and pH

• Can be layered with other active ingredients - works well with The 6 Peptide Skin Booster Serum

• Lightweight texture makes it perfect for layering under makeup

• Safe to use with vitamin C (this formula is stable and compatible)

• Start with once daily and increase to twice daily as tolerated

• Results may be visible within 2-4 weeks of consistent use