COSRX The Niacinamide 15 Serum 20ml

£15.95

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A potent COSRX serum with 15% niacinamide, acetyl glucosamine, and zinc PCA to minimise pores, control oil, and improve skin texture.

2-3 day UK delivery is £3.95 or FREE over £30
Next day UK delivery is £5.95 or FREE over £60

Dispatch cut-off is 4pm →

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Benefits

A highly concentrated 15% niacinamide serum designed to refine pores, regulate excess oil, and improve uneven skin tone.

This lightweight 20mL serum combines niacinamide with synergistic ingredients like Acetyl Glucosamine and Zinc PCA for total acne care and texture improvement.

It helps soothe redness, fade post-blemish marks, and supports a balanced, clearer complexion.

Ideal for oily, acne-prone, or textured skin, this serum absorbs quickly and works morning and/or night.

How To Use

Apply a few drops to clean skin
Massage gently into face and neck
Use morning and/or evening
Follow with moisturiser

Always conduct a patch test before use and use only as directed on the packaging. If you notice an allergic reaction stop and seek medical advice. Avoid storing in high/low temperatures or direct sunlight.

Ingredients

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

This ingredient list is provided by the brand. Ingredients may be updated or vary between product variants. Please refer to the product packaging for the most current ingredient list. For further details, please refer to our Product Information Disclaimer here →.