

COSRX The Niacinamide 15 Serum 20ml | Ultimate Acne Control & Skin Brightening
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A high-strength 15% niacinamide serum that controls oil, clarifies blemish-prone skin and brightens the look of tone. 20ml.
COSRX The Niacinamide 15 Serum is a concentrated serum with 15% niacinamide to help control excess oil, clear the look of blemishes and congestion and brighten the look of dull, uneven skin. Lightweight and fast-absorbing, for oily, blemish-prone skin.
Key details
- Format: concentrated serum
- Size: 20ml
- Key ingredient: 15% niacinamide
- Targets: excess oil, the look of blemishes and uneven tone
- Skin type: oily, combination and blemish-prone; patch-test if new to high-strength niacinamide
How to use: After toner, apply a few drops to clean skin, morning and evening. Follow with SPF by day.
Who it's for: Oily or blemish-prone skin wanting an oil-control, brightening serum.
Genuine COSRX. 20ml. Fast, fully tracked UK delivery.
Free UK delivery on orders over £50; £4.95 under £50. Orders are dispatched within 1–3 working days, then take 5–10 working days to arrive in the UK. USA from £6.95; Europe from £9.95; rest of world from £14.95.
30-day returns on unused, unopened products in original packaging. For hygiene reasons, opened beauty products can only be returned if faulty. Email support@glamglobal.com to start a return.
100% Genuine — Guaranteed.
Every product we sell is 100% genuine, sourced from authorised suppliers and brand distributors in South Korea, Japan and the United States. Since 2021, more than 24,000 customers have shopped with GlamGlobal. If anything arrives damaged or faulty, email support@glamglobal.com and we will refund or replace it.
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