---
product_id: 538463295
title: "The Vitamin C 13 serum 20 ML"
brand: "cosrx"
price: "15993CFA"
currency: XOF
in_stock: true
reviews_count: 10
category: "Cosrx"
url: https://www.desertcart.sn/products/538463295-the-vitamin-c-13-serum-20-ml
store_origin: SN
region: Senegal
---

# Double-layer oil barrier for freshness 13% pure Vitamin C concentration Hypoallergenic & stabilized formula The Vitamin C 13 serum 20 ML

**Brand:** cosrx
**Price:** 15993CFA
**Availability:** ✅ In Stock

## Summary

> ✨ Glow like you mean it with Cosrx Vitamin C 13! 🍊

## Quick Answers

- **What is this?** The Vitamin C 13 serum 20 ML by cosrx
- **How much does it cost?** 15993CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/538463295-the-vitamin-c-13-serum-20-ml)

## 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

- • **Freshness Lock:** Innovative double-layer oil barrier delays oxidation, preserving potency longer.
- • **Even Complexion:** Targets melanin synthesis to reduce hyperpigmentation and restore youthful glow.
- • **Radiance Booster:** Powerful 13% Vitamin C concentration visibly fades acne scars and brightens skin tone.
- • **Trusted Bestseller:** Ranked top 150 in Facial Day Care with over 2,000 glowing reviews.
- • **Gentle Yet Effective:** Hypoallergenic, stabilized formula defies irritation myths of pure Vitamin C serums.

## Overview

Cosrx The Vitamin C 13 Serum is a 20ml powerhouse featuring a 13% pure Vitamin C concentration in a hypoallergenic, stabilized formula. Its unique double-layer oil barrier maintains freshness and delays oxidation, effectively fading acne scars, brightening dull skin, and evening out skin tone. A top-ranked facial care bestseller with thousands of positive reviews, it’s designed for millennials seeking radiant, healthy skin without irritation.

## Description

Cosrx The Vitamin C 13 serum 20 ML

Review: I love this product…leaves your skin feeling plump - Good purchase
Review: Good product - Good package Fast delivery. Original product ✨️

## Features

- 13% concentrated pure vitamin C Serum Highly concentrated serum that fades acne scars, brightens and restores dull, uneven skin tone
- Concentrated vitamin C serum to fade acne scars & boost radiance Packed with vitamin C to effectively prevent melanin synthesis fading acne scars and hyperpigmentation whilst brightening the complexion
- Hypoallergenic, stabilised formula Stablised formula that breaks the preconceived notion that pure vitamin C is an irritating and double-layer structure with oil layer on top to maintain freshness and delay oxidation.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BS8M8Q5L |
| ASIN  | B0BS8M8Q5L |
| Best Sellers Rank | #3,249 in Beauty ( See Top 100 in Beauty ) #119 in Facial Day Care |
| Customer reviews | 4.3 4.3 out of 5 stars (2,029) |
| Date First Available  | 23 June 2023 |
| Item model number | SC40TR06 |
| Item model number  | SC40TR06 |
| Manufacturer | COSRX |
| Manufacturer  | COSRX |
| Product Dimensions | 4.2 x 6.3 x 10.2 cm; 20 g |
| Product Dimensions  | 4.2 x 6.3 x 10.2 cm; 20 g |

## Product Details

- **Product benefits:** Brightening
- **Scent:** Unscented
- **Skin type:** Dry, Sensitive
- **Special ingredients:** hyaluronic_acid, vitamin_c, vitamin_e
- **Use for:** Skin

## Images

![The Vitamin C 13 serum 20 ML - Image 1](https://m.media-amazon.com/images/I/71c4jNujODL.jpg)

## Questions & Answers

**Q: How do I use this product?**
A: This Serum consists of highly concentrated Pure Vitamin C (Ascorbic Acid)- a patch test on the body is recommended before using on the face. Store in the fridge to prevent oxidation.

**Q: Why does the serum smell bad?**
A: Pure Vitamin C (Ascorbic Acid) naturally has a coppery scent. In order to keep our product as natural as possible, The Vitamin C 13 Serum is formulated without artificial fragrances.

**Q: Can this be used on sensitive skin?**
A: Based on a Primary Dermal Irritation Study (on 30 subjects for 24 hours) the “The Vitamin C 13 Serum” is found to be a non-irritant product that causes no irritation for sensitive skin. *Perform a patch test on the body before using on the face.

**Q: How do I know if this product is authentic?​**
A: To ensure the authenticity of the product, please make sure you are purchasing the product from COSRX Inc. The authenticity of the product cannot be promised when purchased from sellers other than COSRX Inc.

## Customer Reviews

### ⭐⭐⭐⭐⭐ I love this product…leaves your skin feeling plump
*by M***M on 2 May 2025*

Good purchase

### ⭐⭐⭐⭐⭐ Good product
*by A***Q on 15 June 2024*

Good package Fast delivery. Original product ✨️

### ⭐⭐⭐ Smells like chemical and it comes in yellow colour is it oxidised??
*by A***A on 13 February 2025*

Okayish

## Frequently Bought Together

- COSRX Pure Vitamin C 13% Serum with Vitamin E & Hyaluronic Acid, Hydrating Facial Serum for Fine Lines, Uneven Skin Tone & Dull Skin, 0.67fl.oz/20ml, Korean Skin Care
- COSRX 15% Niacinamide Face Serum, 0.67 fl oz, Pore Minimizer Serum for Face, Even Skin Tone, Korean Skin Care

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**Shop now:** [https://www.desertcart.sn/products/538463295-the-vitamin-c-13-serum-20-ml](https://www.desertcart.sn/products/538463295-the-vitamin-c-13-serum-20-ml)

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-03-13*