COSRX The Niacinamide 15 Serum 20ml — amber dropper bottle with label

COSRX

[Cosrx] The Niacinamide 15 Serum 20ml

€23,65

VAT included.

  • 100% authentic
  • Ships from Seoul
  • Tracked, 3–5 business days
SIZE:20ml
Quantity:

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Are your products authentic?

Yes. Every product comes from our partner in Seoul, who buys from the brand owners, their manufacturers and verified supply routes. We do not sell copies or grey imports.

Why does my order ship from Korea?

We ship every order straight from Seoul by tracked express. Shipping costs the same per parcel, so one bigger order saves you the most on shipping.

Details

https://www.cosrx.com/products/the-niacinamide-15-serum?_pos=1&_sid=3de38cb79&_ss=r

How to use

After cleansing, during the serum phase, apply a few drops to the skin. Use fingertips to gently massage and absorb the serum, starting from the center of the face working towards the edges. * Highly concentrated serums should only be used in the evening? NO! * This serum can be used in the morning and/or afternoon. * If applied in the morning, be sure to use with a SPF of 30 or higher.

Ingredients

Full 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

FAQ

COSRX The Niacinamide 15 Serum delivers 15% niacinamide with Zinc PCA to refine pores, control sebum, and even skin tone morning or evening without sensitivity.
Use it after toner or essence and before moisturizer. Start slowly if your routine already includes strong active ingredients.
It is most relevant for oily or acne-prone skin. If you are unsure, patch test before full use.
Yes, but introduce it carefully if you also use exfoliating acids, retinoids, or strong vitamin C. Alternate use if your skin feels sensitive.
Review the ingredient list, size, usage directions, and any skin concern notes on the product page. For allergies, pregnancy, or medical skin conditions, confirm suitability before use.

Delivery

Ships from Seoul, South Korea. Processing: 1–2 business days. Express: 3–5 business days; standard: 2–3 weeks, where available.