COSRX - The Niacinamide 15 Serum - 20ml

COSRX - The Niacinamide 15 Serum - 20ml

Advanced 15% Niacinamide Solution for Oily, Acne-Prone, and Combination Skin

The COSRX Niacinamide 15 Serum is a high-performance, dermatologist-approved treatment specifically engineered to address multiple skin concerns associated with excess sebum production, acne, and uneven texture. This clinically effective formula combines 15% pure niacinamide with complementary active ingredients to deliver comprehensive skincare benefits from prevention to correction.

Comprehensive Skin Benefits

1. Oil & Sebum Regulation

• 15% pharmaceutical-grade niacinamide significantly reduces sebum production
  
  
• Helps prevent pore clogging and subsequent breakouts
  
  
• Maintains balanced hydration without over-drying

2. Acne Management Across All Stages

• Prevents new acne formation by controlling excess oil
  
  
• Calms active inflammation and redness
  
  
• Heals post-acne marks and prevents scarring

3. Pore Refinement & Texture Improvement

• Minimizes the appearance of enlarged pores
  
  
• Smooths rough, bumpy skin surface
  
  
• Enhances overall skin clarity and radiance

4. Hyperpigmentation Correction

• Fades dark spots and post-inflammatory erythema
  
  
• Evens out skin tone for uniform complexion
  
  
• Inhibits melanin overproduction

Advanced Formula Breakdown

Primary Active:

• 15% Niacinamide (Vitamin B3): Gold-standard concentration for oil control and brightening

Supporting Actives:

• Panthenol (Pro-Vitamin B5): Soothes irritation and strengthens skin barrier
  
  
• Sodium Hyaluronate: Provides lightweight hydration without heaviness
  
  
• Adenosine: Anti-inflammatory properties help calm acne-prone skin

Texture & Application

• Lightweight serum consistency absorbs instantly
  
  
• Non-comedogenic and non-sticky finish
  
  
• Layers perfectly under moisturizers, sunscreens, and makeup
  
• Recommended Use: Apply 2-3 drops morning and evening after cleansing

Clinical Performance

• Visible reduction in oiliness within 2 weeks
  
  
• Noticeable improvement in acne lesions by 4 weeks
  
  
• Significant brightening of hyperpigmentation after 8 weeks of consistent use

Ideal For These Skin Concerns:

• Persistent shine and greasiness
  
  
• Frequent breakouts and acne marks
  
  
• Enlarged, visible pores
  
  
• Rough, uneven skin texture
  
  
• Post-acne dark spots and redness

Full Ingredients List:

Niacinamide (15%), Water, Butylene Glycol, 1,2-Hexanediol, Panthenol, Sodium Hyaluronate, Adenosine, Ethyl Hexanediol, Carbomer, Arginine