Get 35-day returns, £5/day late delivery compensation and much more.Learn more
The star ingredient of this formula is niacinamide, known for its remarkable ability to regulate sebum production, minimize the appearance of acne scars, and improve overall skin texture. By incorporating 15% niacinamide, this serum delivers a potent dose to effectively address acne-related concerns, giving you the confidence to showcase your skin.
Working in perfect harmony with niacinamide, this serum contains other powerful ingredients to enhance its efficacy. N-acetylglucosamine (NAG) gently exfoliates the skin, sloughing away dead cells and promoting a brighter, more even skin tone. It also helps fade hyperpigmentation, reducing the appearance of acne marks and blemishes. Zinc PCA plays a crucial role in balancing the skin's oil-water levels, controlling excessive sebum production that can contribute to acne breakouts. Additionally, allantoin stimulates collagen production, promoting skin elasticity and contributing to a smoother, more youthful complexion.
By incorporating COSRX The Niacinamide 15 Serum into your skincare routine, you can enjoy a wide range of benefits. This potent formula works diligently to diminish the appearance of congested pores, helping to unclog them and reduce the occurrence of acne. It effectively controls the production of sebum and oil, preventing excessive shine and keeping your skin balanced. The gentle exfoliation provided by NAG reveals a softer, smoother texture, leaving you with a touchably soft complexion.
Unlock the power of COSRX The Niacinamide 15 Serum and take control of your acne-prone skin. Embrace a clearer, more radiant complexion that empowers you to face the world with confidence. Say goodbye to acne-related concerns and hello to healthy, beautiful skin.
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
InPost Delivery
£2.99
Super Saver Delivery
£3.99
Express delivery
£5.99
Standard Delivery
£4.99
Next Day Delivery
£7.99
Northern Ireland Standard Delivery
£4.99
Premier Unlimited free delivery for a year with Premier Delivery for £14.99 Find out more
Please note, some delivery methods are not available for products delivered by our brand partners & they may have longer delivery times
We’ve reduced our returns fee to £2.00 when you select inpost— making it easier to shop with confidence.
You've got 21 days to send something back to us from the day you receive it. Unfortunately we cannot accept returns after this time.
We cannot offer refunds on pierced jewellery or on swimwear if the hygiene seal is not in place or has been broken. For hygiene reason, once the seal has been opened on fashion face masks, cosmetics or pierced jewellery, these items can no longer be returned.
Items of footwear and/or clothing must be unworn and unwashed with the original labels attached.
Click here to view our full Returns Policy.
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The star ingredient of this formula is niacinamide, known for its remarkable ability to regulate sebum production, minimize the appearance of acne scars, and improve overall skin texture. By incorporating 15% niacinamide, this serum delivers a potent dose to effectively address acne-related concerns, giving you the confidence to showcase your skin.
Working in perfect harmony with niacinamide, this serum contains other powerful ingredients to enhance its efficacy. N-acetylglucosamine (NAG) gently exfoliates the skin, sloughing away dead cells and promoting a brighter, more even skin tone. It also helps fade hyperpigmentation, reducing the appearance of acne marks and blemishes. Zinc PCA plays a crucial role in balancing the skin's oil-water levels, controlling excessive sebum production that can contribute to acne breakouts. Additionally, allantoin stimulates collagen production, promoting skin elasticity and contributing to a smoother, more youthful complexion.
By incorporating COSRX The Niacinamide 15 Serum into your skincare routine, you can enjoy a wide range of benefits. This potent formula works diligently to diminish the appearance of congested pores, helping to unclog them and reduce the occurrence of acne. It effectively controls the production of sebum and oil, preventing excessive shine and keeping your skin balanced. The gentle exfoliation provided by NAG reveals a softer, smoother texture, leaving you with a touchably soft complexion.
Unlock the power of COSRX The Niacinamide 15 Serum and take control of your acne-prone skin. Embrace a clearer, more radiant complexion that empowers you to face the world with confidence. Say goodbye to acne-related concerns and hello to healthy, beautiful skin.
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
InPost Delivery
£2.99
Super Saver Delivery
£3.99
Express delivery
£5.99
Standard Delivery
£4.99
Next Day Delivery
£7.99
Northern Ireland Standard Delivery
£4.99
Premier Unlimited free delivery for a year with Premier Delivery for £14.99 Find out more
Please note, some delivery methods are not available for products delivered by our brand partners & they may have longer delivery times
We’ve reduced our returns fee to £2.00 when you select inpost— making it easier to shop with confidence.
You've got 21 days to send something back to us from the day you receive it. Unfortunately we cannot accept returns after this time.
We cannot offer refunds on pierced jewellery or on swimwear if the hygiene seal is not in place or has been broken. For hygiene reason, once the seal has been opened on fashion face masks, cosmetics or pierced jewellery, these items can no longer be returned.
Items of footwear and/or clothing must be unworn and unwashed with the original labels attached.
Click here to view our full Returns Policy.
Get 35-day returns, £5/day late delivery compensation and much more.Learn more
We Think You'll Like
Sponsored Products
Protect Your Purchase?
Extend your warranty and protect your purchase against accidental damage and defects.
Protects your new The Niacinamide 15 Serum 20ml against breakdowns and faults once the manufacturer's warranty period is over.
Covers issues not included in your manufacturer's warranty, such as accidental damage or theft.
Get a replacement or a cash refund up to the full amount you originally paid for it.
FAQs
XCover is an authorised protection provider for Debenhams, with over 7 million customers globally and an average 4.7 out of 5 stars from thousands of reviews on Google and Trustpilot. XCover's simple, fast and stress-free repair and replacement process delivers peace of mind if your item is stolen or it has damages or defects that aren't covered by the manufacturer's warranty.
XCover's simple, fast and stress-free repair and replacement process delivers peace of mind if your item is stolen or has damages or defects that aren't covered by the manufacturer's warranty. XCover’s easy, digital process is simple with quick payouts on approved claims.
Before submitting a claim, you need to gather all the details and documents to support your claim. This helpful article has a guide to what documents you may need based on your claim reason.
When you're ready to submit your claim, log in to your XCover Account, select the XCover Protection you would like to claim for and then select ‘Make a Claim’.
The XCover claims process is quick and hassle-free, with payment or reimbursement for approved claims processed instantly. The dedicated team at XCover aims to complete 95% of claims within 3 days of claim submission, so keep a close eye on your emails to ensure there’s no delay.
For more information about claims submission, please check XCover Help.