---
product_id: 470438288
title: "COSRX The Niacinamide 15 Serum 20ml"
brand: "cosrx"
price: "S/.104"
currency: PEN
in_stock: true
reviews_count: 13
category: "Cosrx"
url: https://www.desertcart.pe/products/470438288-cosrx-the-niacinamide-15-serum-20ml
store_origin: PE
region: Peru
---

# 1% Zinc PCA to prevent breakouts Lightweight serum, fast absorption 15% Niacinamide for pore refinement COSRX The Niacinamide 15 Serum 20ml

**Brand:** cosrx
**Price:** S/.104
**Availability:** ✅ In Stock

## Summary

> ✨ Unlock flawless skin with science-backed glow!

## Quick Answers

- **What is this?** COSRX The Niacinamide 15 Serum 20ml by cosrx
- **How much does it cost?** S/.104 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pe](https://www.desertcart.pe/products/470438288-cosrx-the-niacinamide-15-serum-20ml)

## Best For

- cosrx enthusiasts

## Why This Product

- Trusted cosrx brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Breakout Barrier:** Infused with 1% Zinc PCA to actively prevent potential breakouts, keeping your skin clear and confident.
- • **Radiance Reviver:** Instantly boosts skin brightness and evens tone, fading dark spots for a luminous, Instagram-ready glow.
- • **Pore Perfection Power:** Clinically proven 15% niacinamide visibly minimizes pores and smooths skin texture for a flawless finish.
- • **Day-to-Night Essential:** Versatile enough for twice-daily use and safe under eyes—just pair with SPF 30 for daytime protection and glow.
- • **Fast-Absorbing Formula:** Lightweight serum that sinks in quickly, perfect for busy professionals who demand effective skincare without the wait.

## Overview

COSRX The Niacinamide 15 Serum is a dermatologist-formulated, lightweight serum featuring 15% niacinamide and 1% Zinc PCA to refine pores, improve skin texture, reduce excess oil, and fade dark spots. Trusted by thousands with a 4.4-star rating, it’s designed for fast absorption and safe for daily use, making it a must-have for professionals seeking clear, radiant skin.

## Description

COSRX The Niacinamide 15 Serum 20ml

Review: It works - I like this product it tightens the pores and you see results pretty fast
Review: Amazing results - Good for very oily skin with large pores I have tried a lots of products but this have worked really well with my large pores. Pores are not diminished completely but it’s better than it was before using this product. This is my 2nd bottle and will continue using and I hope will see better results with long term use.

## Features

- The Niacinamide 15% Serum: Refine Pores Smoothen Skin Niacinamide and Zinc PCA instantly improves skin texture and radiance by reducing excess oil and minimizing pore sizes
- Key Benefits: Based on real results from consumers' self assessments the Niacinamide 15 Serum minimizes pore size improves skin texture and helps fade dark spots
- Dermatological Ingredients: 15% Niacinamide helps minimize enlarged pores and refine uneven skintone 1% Zinc PCA prevents potential breakouts from occurring
- How to Use: Shake 1-2 times before use and apply 2-3 drops once or twice daily For daytime wear follow up with SPF 30 sunscreen Can be applied under the eye area; avoid direct eye contact

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09ZYB8S31 |
| ASIN  | B09ZYB8S31 |
| Best Sellers Rank | #2,308 in Beauty ( See Top 100 in Beauty ) #60 in Facial Treatments & Masks |
| Customer reviews | 4.4 4.4 out of 5 stars (7,214) |
| Date First Available  | 6 August 2022 |
| Item model number | COS-048 |
| Item model number  | COS-048 |
| Manufacturer | ANCORS CO.. LTD. |
| Manufacturer  | ANCORS CO.. LTD. |
| Product Dimensions | 10.16 x 10.16 x 15.24 cm; 131.54 g |
| Product Dimensions  | 10.16 x 10.16 x 15.24 cm; 131.54 g |

## Product Details

- **Brand:** COSRX
- **Product benefits:** Rejuvenating
- **Scent:** Unscented
- **Skin type:** Oily
- **Use for:** Skin

## Images

![COSRX The Niacinamide 15 Serum 20ml - Image 1](https://m.media-amazon.com/images/I/61wIjmR66xL.jpg)

## Questions & Answers

**Q: Is this an authentic cosrx product?**
A: Yes. We sell authentic Cosrx products.

**Q: Why is this very cheap and but from k secret it's expensive?**
A: All companies here have different suppliers,fees and order quantity determines how they price their products.

**Q: Is this an original product?**
A: Yes dear 100% authentic made in korea

## Customer Reviews

### ⭐⭐⭐⭐⭐ It works
*by S***E on 23 December 2025*

I like this product it tightens the pores and you see results pretty fast

### ⭐⭐⭐⭐⭐ Amazing results
*by U***A on 13 March 2024*

Good for very oily skin with large pores I have tried a lots of products but this have worked really well with my large pores. Pores are not diminished completely but it’s better than it was before using this product. This is my 2nd bottle and will continue using and I hope will see better results with long term use.

### ⭐⭐⭐⭐⭐ Does the job pretty well
*by M***M on 2 May 2025*

Amazing

## Frequently Bought Together

- COSRX 15% Niacinamide Face Serum, 0.67 fl oz, Pore Minimizer Serum for Face, Even Skin Tone, Korean Skin Care
- COSRX Retinol 0.5 Oil, Anti-aging Serum with 0.5% Retinoid Treatment for Face, Reduce Wrinkles, Fine Lines, & Signs of Aging, Gentle Skincare for Day & Night, Not Tested on Animals, Korean Skincare

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**Shop now:** [https://www.desertcart.pe/products/470438288-cosrx-the-niacinamide-15-serum-20ml](https://www.desertcart.pe/products/470438288-cosrx-the-niacinamide-15-serum-20ml)

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*Product available on Desertcart Peru*
*Store origin: PE*
*Last updated: 2026-03-19*