COSRX The Niacinamide 15 Serum Acetyl Glucosamine + Zinc PCA 20ml

About

COSRX The Niacinamide 15 Serum is a targeted treatment built around 15% Niacinamide and enhanced with Acetyl Glucosamine and Zinc PCA. Together these ingredients deliver comprehensive oil control, pore minimisation and skin tone refinement — hallmarks of COSRX's science-driven approach to skincare.

Key Benefits

• 15% Niacinamide for intensive pore and skin tone improvement
• Minimises pores and controls sebum production
• Acetyl Glucosamine enhances brightening and skin smoothing
• Zinc PCA regulates oil and reduces blemish-causing bacteria

Key Ingredients

• Niacinamide 15% – Pore-minimising and brightening Vitamin B3
• Acetyl Glucosamine – Skin-brightening and smoothing active
• Zinc PCA – Sebum-regulating and antibacterial mineral

Who It's For

Best for oily and combination skin types struggling with enlarged pores, excess sebum and uneven skin tone. A staple for acne-prone skin routines.

How to Use

Apply a few drops to clean skin, morning and evening. Allow to absorb before applying moisturiser. Follow with SPF in the morning.