Control breakouts and brighten skin with COSRX The Niacinamide 15 Serum 20ml—a powerful Korean serum formulated with 15% niacinamide and synergistic actives to reduce acne, refine pores, and improve skin clarity without irritation.
💧 Key Ingredients & Benefits
- Niacinamide (15%): Regulates sebum, fades dark spots, and smooths texture
- Zinc PCA: Balances oil production and calms inflammation
- N-Acetylglucosamine (NAG): Gently exfoliates and enhances brightening effects
- Allantoin: Soothes and supports skin barrier recovery
- Lightweight Texture: Absorbs quickly without stickiness or residue
🧬 How It Works
This serum targets all stages of acne—from clogged pores to post-acne marks—while improving skin tone and texture. The high niacinamide concentration is balanced with calming and hydrating ingredients, making it suitable for daily use on oily and acne-prone skin.
🧴 Usage Instructions
Apply 2–3 drops to clean skin after toner. Gently pat until absorbed. Use once daily (preferably at night). Follow with moisturizer. Introduce gradually if new to high-strength niacinamide.
🛡️ Safety & Certifications
- Dermatologist-tested
- Non-comedogenic
- Free from parabens, alcohol, and artificial fragrance
- Made in Korea
- Suitable for oily, acne-prone, and combination skin
🌟 Social Proof & Results
Praised for its pore-refining and acne-fighting power, users love how it reduces breakouts and evens tone without irritation. A favorite for minimalist and targeted skincare routines.





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