---
product_id: 47531223
title: "Cysteine Brazilian Hair Therapy Treatment, Formaldehyde Free, 2.5 oz."
brand: "cysteine"
price: "€ 1.45"
currency: EUR
in_stock: false
url: https://www.desertcart.ie/products/47531223-cysteine-brazilian-hair-therapy-treatment-formaldehyde-free-2-5-oz
store_origin: IE
region: Ireland
---

# Cysteine Brazilian Hair Therapy Treatment, Formaldehyde Free, 2.5 oz.

**Brand:** cysteine
**Price:** € 1.45
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Cysteine Brazilian Hair Therapy Treatment, Formaldehyde Free, 2.5 oz. by cysteine
- **How much does it cost?** € 1.45 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/47531223-cysteine-brazilian-hair-therapy-treatment-formaldehyde-free-2-5-oz)

## Best For

- cysteine enthusiasts

## Why This Product

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

## Description

Cysteine hair therapy and Cysteine hair strengthening system are the modern forms of hair straightening treatments. These treatment uses the naturally occurring essential amino acid Cysteine that is naturally absorbent and has no harmful substances to straighten and strengthen your hair. Cysteine hair treatment is one of the safest in the market. Cysteine treatment is semi-permanent and lasts for about three months. Cysteine hair treatment is a special hair treatment for all types of hair to repair and condition all damaged or eliminating frizz. It will help decrease your hair's volume and will add shine and silkiness.Application:1. Wash the hair with Cysteine clarifying shampoo 2 to 3times, blow the hair up to 100% dry.2. Divide the hair into small sections and apply Cysteine hair therapy with brush evenly. Let the product act for 30 to 40minutes, remove about 70% with water and stile your hair as usual. Curly hair still curly but if you want straight hair after blow dry the hair, flat iron the hair section by section about 4 to 6 times. Ingredients: Water, amino acids, alcohol, amodimethicone, cetrimonium chloride, trideceth-10, cyclopentasiloxane, mineral oil, glycerin, soy protein, silk protein, fruit extract, formaldehyde, hydroxyethyl cellulose, stearamidopropylchloride and dimethylamine, Cysteine, edta.

## Features

- Cysteine hair therapy and hair strengthening system is the modern form of hair     Straightening treatments, these treatment uses the naturally occurring essential amino acid Cysteine     That is naturally absorbent and has no harmful substances to straighten and strengthen your hair     Cysteine hair treatment is one of the safest in the market

## Images

![Cysteine Brazilian Hair Therapy Treatment, Formaldehyde Free, 2.5 oz. - Image 1](https://m.media-amazon.com/images/I/81gV6jh664L.jpg)

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**Shop now:** [https://www.desertcart.ie/products/47531223-cysteine-brazilian-hair-therapy-treatment-formaldehyde-free-2-5-oz](https://www.desertcart.ie/products/47531223-cysteine-brazilian-hair-therapy-treatment-formaldehyde-free-2-5-oz)

---

*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-13*