Sérum Niacinamide Pores Resserrés 30 ml · Niacinamide Serum
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Intensive serum with 5% Niacinamide and Zinc PCA, enriched with Witch Hazel, Panthenol and Hyaluronic Acid. It helps tighten the appearance of pores, balance sebum and hydration, and calm redness and blemishes, for smoother, matte and luminous skin. 30 ml size. Vegan.
- Natural “blur” effect: Refines skin texture and blurs irregularities.
- Shine control: Zinc neutralises excess sebum for a long-lasting matte finish.
- Soothing & hydration: Hyaluronic Acid and Panthenol keep the skin supple.
Goal: “Clear Skin” with the Sérum Niacinamide Pores Resserrés.
Visible pores, a shiny T-zone or uneven skin texture? This vegan serum is the ideal daily corrector. It combines Niacinamide (B3) with Zinc PCA to regulate sebum and tighten pores, without ever drying the skin.
Why choose it?
- Natural “Blur” Effect: Refines skin texture and blurs irregularities.
- Shine Control: Zinc neutralises excess sebum for a long-lasting matte finish.
- Soothing & Hydration: Hyaluronic Acid and Panthenol keep the skin supple and calm.
The essential care for smooth, clear and flawless-looking skin, even up close.
For which skin?
This 5% niacinamide serum suits combination to oily skin, visible pores and a complexion that shines by midday. It combines zinc PCA, panthenol and witch hazel in a fluid texture that leaves no greasy film.
How to pair it?
After cleansing, before your cream, morning and/or evening. In a pore routine, it complements the AHA + BHA exfoliating serum and the exfoliating toner.
Sérum Niacinamide Pores Resserrés 30 ml · Niacinamide Serum
Intensive serum with 5% Niacinamide and Zinc PCA, enriched with Witch Hazel, Panthenol and Hyaluronic Acid. It helps tighten the appearance of pores, balance sebum and hydration, and calm redness and blemishes, for smoother, matte and luminous skin. 30 ml size. Vegan.

The science & key ingredients
Niacinamide (Vitamin B3) regulates sebaceous gland activity and strengthens the skin barrier. At 5% and combined with Zinc PCA, it visibly tightens pores and mattifies without ever drying.
- Niacinamide 5%regulates and refines
- Zinc PCAmattifies
- Witch Hazeltightens

How to use
- Morning and/or evening, on cleansed skin, apply a few drops.
- Focus on areas with enlarged pores: nose, cheeks and forehead.
- Follow with your usual moisturiser.
What customers say about this product
4.71 / 5 · 538 ratings · 407 reviews
“It solved my pore problem. I love its texture, it isn’t sticky.”
“It balanced the oiliness of my skin and hydrated it while controlling shine in the T-zone.”
See all reviews on Trendyol →
Brand page on cosmogenesislabs.com
Your questions about Sérum Niacinamide Pores Resserrés 30 ml
Is niacinamide suitable for oily skin?
Yes, it is one of the most used actives for combination to oily skin: it helps mattify and refine the appearance of pores, with the zinc PCA and witch hazel in the formula.
Morning or evening?
Morning and/or evening, on clean skin, before your cream. The light texture layers easily with other skincare.
Can it be combined with vitamin C?
Yes. You can apply the vitamin C serum in the morning and the niacinamide serum in the evening, or both in the morning, leaving a few minutes between each.







