COSRX

The Niacinamide 15 Serum

4.3
Rated 4.3 out of 5 stars
6 Reviews
CHF 17.70 (20 ml)
A highly concentrated serum that provides all-around acne care. This potent serum from the RX DermSerums line is enriched in 15% Niacinamide, Zinc PCA, and Allantoin. Together, they treat breakouts, regulate sebum production, fade dark spots, and improve skin texture. As a bonus, the treatment also strengthens the skin barrier and illuminates the complexion.

1

In stock
Free shipping within Switzerland over 50 CHF
More on Shipping & Returns
Shipping and Returns

Shipping

Orders are processed within 24-48 business hours. Once shipped, your order will be delivered by Swiss Post within 2-3 business days with Standard Shipping or 1-2 business days with Priority Shipping. Please note, processing times may be slightly longer during busy periods, such as Christmas or Black Friday.

Holiday Shipping

To ensure timely delivery during the holiday season or sales events, we recommend placing orders early, as delivery times may extend due to high volumes.

Tracking

Once your order has been dispatched, you will receive a confirmation email with tracking information. You can follow your order via Swiss Post's website using the provided tracking number.

 

Free Shipping

Enjoy Free Shipping on all orders over CHF 50.

 

Returns

You may return products within 14 days of receiving your order. To be eligible for a return, products must be unused, unopened, undamaged, and in their original packaging. Return shipping costs are the customer's responsibility unless the product received is defective or incorrect. Please contact us at hello@niasha.ch before returning any products for further assistance.

Damaged or Defective Products

If you receive a damaged or defective product, please contact us at hello@niasha.ch with your order number and photos of the damage for further assistance. We will arrange a replacement or refund.

 

Shipping Protection

NIASHA Ltd. is not responsible for lost or stolen packages after delivery. We highly recommend selecting the Package Protection option for CHF 1 (delivery against signature) at checkout to ensure your order is protected against theft or loss after delivery.

 

International Delivery

We currently only ship to Switzerland and Liechtenstein.

 

Warehouse Pickup

You can collect your order from our warehouse in Vevey, Vaud. Pick-up is available from Monday to Friday: 9:30 am – 4:30 pm. Once your order is ready for collection, you will receive a notification. Please bring your order confirmation and a valid ID for pickup.

Best for:
Dry
Normal
Combination
Oily
Acne-prone
Treats:
Acne & Breakouts
Enlarged Pores
Blackheads
Oily Skin (Excess Sebum)
Dull Complexion
Dark Spots / Pigmentation
Acne Scars & PHI
In your regime:
🔆 /🌙 Apply post-toner and essence for an extra boost, and seal it all in with your moisturizer.

how to use

1. Dispense 3-4 drops of the product and gently massage or tap it into the skin until fully absorbed.

2. Follow with a moisturizer to lock in the hydration.

ingredients

Water/Aqua/Eau, Pentylene Glycol, Niacinamide(15%), Butylene Glycol, Acetyl Glucosamine, 1,2-Hexanediol, Zinc PCA, Trehalose, Xanthan Gum, Pullulan, Allantoin, Ethylhexylglycerin, Sodium Phytate, Citric Acid, Tocopherol

pair it with

Poremizing Light Gel Cream
CHF 16.50 CHF
Add to Cart
Mandelic Acid Gentle Exfoliating Toner
CHF 22.00 CHF
Add to Cart
The Niacinamide 15 Serum
20 ml

1

4.3
Rated 4.3 out of 5 stars
Based on 6 reviews
83%would recommend this product
EffectivenessRated 5.0 on a scale of 1 to 5
6 reviews
  • SO
    Sarah O.
    Verified Buyer
    Reviewing
    The Niacinamide 15 Serum
    I recommend this product
    Rated 5 out of 5 stars
    3 months ago
    Good skin feeling

    Easy to use (every evening), nice texture and good results for my skin.

  • DD
    Diane D.
    Verified Buyer
    Reviewing
    The Niacinamide 15 Serum
    I recommend this product
    Skin Type Combination
    Age Range 35 to 44
    Rated 5 out of 5 stars
    1 year ago
    Niacinamide serum

    After the first use, I already noticed that my skin was less oily. The breakouts are less.

  • UH
    Uranchimeg H.
    Verified Buyer
    Reviewing
    The Niacinamide 15 Serum
    I recommend this product
    Rated 5 out of 5 stars
    3 years ago
    Worth the hype

    I’m using my 3rd bottle already. Highly recommend.

  • GH
    Goush H.
    Verified Buyer
    Reviewing
    The Niacinamide 15 Serum
    I do not recommend this product
    Rated 2 out of 5 stars
    3 years ago
    ***

    I have mixed to oily skin and this product when I put it on makes my skin dry out too much. My skin was peeling

    Translated from French
  • MP
    Manuel P.
    Verified Buyer
    Reviewing
    The Niacinamide 15 Serum
    I recommend this product
    Rated 4 out of 5 stars
    3 years ago
    Oil controller

    Amazing serum! Overall it is a must to control pimples in my t zone.

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