15% niacinamide for excess oil, pores and post-breakout marks
COSRX The Niacinamide 15 Serum is a 20ml concentrated face serum pairing 15% niacinamide with zinc PCA, N-acetylglucosamine and allantoin for oily, combination and blemish-prone skin.
A targeted serum for congested, oily and uneven-looking skin
COSRX positions this formula around excess sebum, enlarged pores, rough texture, acne and post-breakout marks. The lightweight texture layers after toner and before moisturiser.
Clarify without turning the routine into guesswork
Oil Control
15% niacinamide with zinc PCA supports a more balanced, less shiny-looking finish.
Pore Care
Designed to refine the appearance of enlarged pores and congestion.
Uneven Tone & Marks
Supports a clearer, more even-looking complexion and helps fade the appearance of post-breakout marks.
Smoother Texture
Targets rough-looking texture with niacinamide, N-acetylglucosamine and allantoin.
Niacinamide + Zinc PCA
A focused formula with N-acetylglucosamine and allantoin supporting the main pore, oil and texture story.
Niacinamide
The hero active for excess oil, enlarged pores, uneven tone and post-breakout marks.
Zinc PCA
Supports sebum balance and blemish-prone skin care.
Apply after cleansing and toning
Cleanse & Tone
Prepare clean skin with your usual toner if used.
Apply Serum
Use a few drops on problem areas or across the face.
Pat In
Pat gently to aid absorption.
Moisturise + SPF
Follow with moisturiser and use SPF during daytime.
The exact 20ml serum
- Brand
- COSRX
- Size
- 20ml / 0.67 fl oz
- Product Type
- Face serum
- Hero Active
- 15% niacinamide
- Supporting Ingredients
- Zinc PCA, N-acetylglucosamine, allantoin
- Best Fit
- Oily, combination and blemish-prone skin
Official ingredient list
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.
Patch testing is recommended before facial use. Ingredient lists can change; check the received pack for the latest market-specific INCI.Who is it designed for?
COSRX highlights oily, combination and blemish-prone skin, and also notes suitability for sensitive skin with patch testing.
What are the main targets?
Excess oil, enlarged pores, uneven tone, post-breakout marks, rough texture and blemishes.
Authenticity First
Products are sourced with care from trusted suppliers.
Curated Information
Clear product details for a more confident choice.
Carefully Packed
Prepared with attention before leaving Neoliva.
