---
product_id: 229628688
title: "Genesis Thermique Blow Dry Primer, Heat Protectant for Weak or Damaged Hair, Anti-Breakage, Detangles and Hydrates without Frizz, Sulfate Free and Defense Thermique, 5.1 Fl Oz"
price: "€ 91.31"
currency: EUR
in_stock: true
reviews_count: 13
url: https://www.desertcart.fr/products/229628688-genesis-thermique-blow-dry-primer-heat-protectant-for-weak-damaged
store_origin: FR
region: France
---

# Sulfate-free, enriched with ginger root & edelweiss 99% less hair breakage Heat protection up to 230°C Genesis Thermique Blow Dry Primer, Heat Protectant for Weak or Damaged Hair, Anti-Breakage, Detangles and Hydrates without Frizz, Sulfate Free and Defense Thermique, 5.1 Fl Oz

**Price:** € 91.31
**Availability:** ✅ In Stock

## Summary

> 🔥 Protect, Perfect, Prevail – Your hair’s new power move!

## Quick Answers

- **What is this?** Genesis Thermique Blow Dry Primer, Heat Protectant for Weak or Damaged Hair, Anti-Breakage, Detangles and Hydrates without Frizz, Sulfate Free and Defense Thermique, 5.1 Fl Oz
- **How much does it cost?** € 91.31 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/229628688-genesis-thermique-blow-dry-primer-heat-protectant-for-weak-damaged)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Clean & Conscious:** Sulfate-free formula nourishes without harsh chemicals
- • **Frizz-Free All Day:** Delivers 24-hour humidity defense for smooth, shiny hair
- • **Shield Your Strands:** Fortifies weak, damaged hair against heat styling and breakage
- • **Effortless Detangling:** Leaves hair silky and easy to comb without tugging
- • **Complete Hair Wellness:** Pairs perfectly with Genesis shampoo & conditioner for ultimate hair strength

## Overview

Kerastase Genesis Thermique Blow Dry Primer is a sulfate-free heat protectant spray designed for weak or damaged hair. It reduces hair breakage by 99%, protects against heat styling up to 230°C, and provides 24-hour frizz control with a blend of ginger root and edelweiss native cells. Ideal for daily use, it detangles, hydrates, and leaves hair shiny and smooth, making it a must-have for professional-quality blowouts and long-lasting hair health.

## Description

desertcart.com: Kerastase Genesis Thermique Blow Dry Primer, Heat Protectant for Weak or Damaged Hair, Anti-Breakage, Detangles and Hydrates without Frizz, Sulfate Free and Defense Thermique, 5.1 Fl Oz : Beauty & Personal Care

Review: So good! Worth every penny - The Kérastase Genesis Défense Thermique isn’t just a heat protectant — it’s hair armor. I spray it on before blow-drying or straightening, and my hair looks like glass — smooth, frizz-free, and so soft I can’t stop touching it. It smells absolutely divine (that signature Kérastase scent that lasts all day 😍) and doesn’t leave any stickiness or residue. My ends used to look fried after heat styling, but now they stay healthy and shiny — like I just walked out of a salon. It’s lightweight, nourishing, and seriously protective — my hair feels stronger with every use. Whether you use heat daily or just occasionally, this spray is a must-have in your routine.
Review: 💗🌸 - I love this thermal protector from Kérastase. Leaves the hair super soft, manageable and with a beautiful shine without leaving it heavy. It protects very well from heat and helps reduce breakage, especially if you use an iron or dryer. It smells delicious and the quality is noticeable from the first use. Highly recommended.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN  | B083JLYQCY |
| Best Sellers Rank | #6,758 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #24 in Hair Thermal Protection Sprays |
| Customer Reviews | 4.6 4.6 out of 5 stars (4,843) |
| Is Discontinued By Manufacturer  | No |
| Item model number  | E3244800 |
| Manufacturer  | Kerastase |
| Product Dimensions  | 1.57 x 1.57 x 7.09 inches; 6.3 ounces |

## Product Details

- **Hair Type:** Straight, Wavy, Curly, and Coily Hair
- **Liquid Volume:** 150 Milliliters
- **Material Type Free:** Sulfate Free
- **Product Benefits:** Enriched with ginger root and edelweiss native cells for 24H protection against frizz and humidity
- **Scent:** Floral

## Images

![Genesis Thermique Blow Dry Primer, Heat Protectant for Weak or Damaged Hair, Anti-Breakage, Detangles and Hydrates without Frizz, Sulfate Free and Defense Thermique, 5.1 Fl Oz - Image 1](https://m.media-amazon.com/images/I/51omwR-6c8L.jpg)

## Questions & Answers

**Q: What is the fragrance in Defense Thermique Blow Dry Primer?**
A: Inspired by the energy flowing from modern colognes, Genesis fragrance is a bright, invigorating scent of bergamot & a hint of aromatic green.

**Q: What is the difference between Resistance and Genesis range?**
A: Genesis offers a dual benefit for women experiencing hair-fall: reducing hair-fall due to breakage from brushing. Resistance is for damaged to very damaged hair from chemical aggression and helps to repair the hair fiber’s strength.

**Q: Should I use Defense Thermique Blow Dry Primer on wet or dry hair?**
A: While we recommend using Defense Thermique Blow Dry Primer on damp hair, it can also be used on dry hair before applying heat styling tools. Use Defense Thermique Blow Dry Primer on damp hair before applying heat from blow drying.

**Q: Will Defense Thermique Blow Dry Primer weigh my hair down?**
A: No, Defense Thermique Blow Dry Primer is light enough to leave hair with no weigh down while also leaving it silky and shiny.

**Q: What’s the best way to use Defense Thermique Blow Dry Primer?**
A: Spray Defense Thermique Blow Dry Primer into palms and work product from the nape towards the front hair line. Blow dry hair 50% and spray a light mist of product over ends and finish styling.

## Customer Reviews

### ⭐⭐⭐⭐⭐ So good! Worth every penny
*by K***R on October 6, 2025*

The Kérastase Genesis Défense Thermique isn’t just a heat protectant — it’s hair armor. I spray it on before blow-drying or straightening, and my hair looks like glass — smooth, frizz-free, and so soft I can’t stop touching it. It smells absolutely divine (that signature Kérastase scent that lasts all day 😍) and doesn’t leave any stickiness or residue. My ends used to look fried after heat styling, but now they stay healthy and shiny — like I just walked out of a salon. It’s lightweight, nourishing, and seriously protective — my hair feels stronger with every use. Whether you use heat daily or just occasionally, this spray is a must-have in your routine.

### ⭐⭐⭐⭐⭐ 💗🌸
*by E***Y on November 23, 2025*

I love this thermal protector from Kérastase. Leaves the hair super soft, manageable and with a beautiful shine without leaving it heavy. It protects very well from heat and helps reduce breakage, especially if you use an iron or dryer. It smells delicious and the quality is noticeable from the first use. Highly recommended.

### ⭐⭐⭐⭐⭐ A small amount goes a long way
*by L***M on November 1, 2025*

Has a wonderful smell. A small amount goes a long way and it’s really helping my hair stay healthier.

## Frequently Bought Together

- KÉRASTASE Genesis Blow Dry Primer, Heat Protectant for Weak or Damaged Hair, Anti-Breakage, Detangles and Hydrates without Frizz, Sulfate Free and Defense Thermique, 5.1 Fl Oz
- Kerastase Elixir Ultime L'Huile Original Hair Oil For All Hair Types - Hydrates, Strengthens and Adds Shine With Heat Protection and Frizz Control, With Wild Camellia
- Kerastase Nutritive 8HR Magic Night Hair Serum - Overnight Beauty Sleep Nourishing Serum, Deeply Conditions, Reduces Tangles & Prevents Frizz, For All Hair Types

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.fr/products/229628688-genesis-thermique-blow-dry-primer-heat-protectant-for-weak-damaged](https://www.desertcart.fr/products/229628688-genesis-thermique-blow-dry-primer-heat-protectant-for-weak-damaged)

---

*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-01-24*