# COSRX - The Niacinamide 15 Serum

**Brand:** COSRX
**Category:** Soins du visage
**Code (GTIN/SKU):** 8809598454637
**Canonical URL:** https://openreviews.io/en/reviews/cosrx/cosrx-the-niacinamide-15-serum-8809598454637

## Rating: 4.4/5 ★★★★☆ — 8 reviews analyzed
_Confidence: high_

## At a glance

COSRX - The Niacinamide 15 Serum reviews: 4.4/5 based on 8 analyzed reviews from 4 sites, updated October 31, 2026.

Praised: sebum regulation and pore care.

8 reviews analyzed, all published on other sites.
Other sites: 4 sources, 8 reviews, average rating 4.4/5.
How we count reviews: https://openreviews.io/en/methodology

## AI summary

This highly concentrated serum is primarily designed for individuals with oily or acne-prone skin. Users particularly appreciate its overall effectiveness in purifying the skin, regulating excess sebum, and controlling shine throughout the day. It also stands out for its targeted action to visibly tighten and minimize the appearance of pores, while effectively fighting acne.

## Strengths

- **Sebum regulation** — It effectively controls oil production to keep the skin matte for longer.
- **Pore care** — The serum helps to tighten and minimize the appearance of enlarged pores.
- **Anti-acne action** — Its targeted formula helps reduce blemishes and fight acne.

## Frequently asked questions

- Is it suitable for sensitive skin?
- Does it help reduce acne scars?
- What is its texture on the skin?
- Can it be used daily?

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_Source: OpenReviews — https://openreviews.io/en/reviews/cosrx/cosrx-the-niacinamide-15-serum-8809598454637_