---
product_id: 194134755
title: "Kerastase Genesis Hair Serum | Daily Strengthening Treatment for Weak or Damaged Hair | Nourishes and Reinforces Hair | Anti-Breakage | Silicone-Free | For Weakened Hair | Serum Fortifiant"
price: "€ 106.46"
currency: EUR
in_stock: true
url: https://www.desertcart.pt/products/194134755-kerastase-genesis-hair-serum-daily-strengthening-treatment-for-weak-damaged
store_origin: PT
region: Portugal
---

# Lightweight, non-greasy formula Ginger & caffeine infusion 97% less breakage Kerastase Genesis Hair Serum | Daily Strengthening Treatment for Weak or Damaged Hair | Nourishes and Reinforces Hair | Anti-Breakage | Silicone-Free | For Weakened Hair | Serum Fortifiant

**Price:** € 106.46
**Availability:** ✅ In Stock

## Summary

> ✨ Strengthen your roots, flaunt your confidence 💁‍♂️

## Quick Answers

- **What is this?** Kerastase Genesis Hair Serum | Daily Strengthening Treatment for Weak or Damaged Hair | Nourishes and Reinforces Hair | Anti-Breakage | Silicone-Free | For Weakened Hair | Serum Fortifiant
- **How much does it cost?** € 106.46 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/194134755-kerastase-genesis-hair-serum-daily-strengthening-treatment-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

- • **Weightless Strength:** Silicone-free, ultra-light serum that nourishes without any residue or heaviness.
- • **Seamless Daily Ritual:** Easy 4-dose application on dry or towel-dried scalp, perfect for busy mornings or evenings.
- • **Targeted Root Revival:** Arginine stimulates blood flow to hair roots, promoting healthier, denser hair growth.
- • **Break Free from Hair Fall:** Clinically proven to reduce hair breakage by 97%, so your hair stays stronger every day.
- • **Power-Packed Botanical Boost:** Enriched with ginger and caffeine to invigorate your scalp and reinforce weak strands.

## Overview

Kerastase Genesis Hair Serum is a daily, silicone-free treatment designed to reduce hair fall by 97% due to breakage. Infused with ginger, caffeine, and arginine, it strengthens weak, brittle hair while promoting healthy scalp circulation. Its lightweight, non-greasy formula absorbs quickly without residue, making it ideal for normal to dry weakened hair. Use consistently for at least 6 weeks to see nourished, resilient hair.

## Description

desertcart.com: Kerastase Genesis Hair Serum - Prevents Hair Fall from Brushing, Strengthens Weak Hair, Enriched with Ginger & Caffeine, 97% Less Breakage, 3 Fl Oz : Beauty & Personal Care

## Features

- Fortifiant Hair Serum: A daily strengthening serum designed to prevent hair fall due to breakage from brushing. Enriched with ginger and caffeine treatment improves resistance in weak brittle hair
- Benefit: After use, 97% experience less hair fall due to breakage from brushing. Serum fortifies & strengthens to create nourished & healthy hair. Lightweight formula that will not leave residue
- Additional Benefits: Contains Arginine, an ingredient that helps stimulate healthy hair by supporting strong blood ﬂow to the root of hair cells. Can be targeted to areas with less density
- Suggested Use: Use morning or evening for a minimum of 6 weeks. Apply 4 doses on dry or towel-dried scalp section by section. Massage to promote distribution and absorption into hair. Do not rinse.
- Genesis Collection: Use with Bain Nutri-Fortifiant Shampoo, Fondant Renforcateur Conditioner, and Defense Thermique Primer for nourished healthy-looking hair with reduced breakage. Ideal for normal to dry weakened hair.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B086TPQJTT |
| ASIN  | B086TPQJTT |
| Best Sellers Rank | #828 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #17 in Hair Regrowth Treatments |
| Brand Name | KÉRASTASE |
| Customer Reviews | 4.4 4.4 out of 5 stars (1,766) |
| Hair Type | All |
| Item Form | Oil |
| Item Volume | 3 Fluid Ounces |
| Liquid Volume | 3 Fluid Ounces |
| Manufacturer | Kerastase |
| Manufacturer  | Kerastase |
| Number of Items | 1 |
| Product Benefits | Reduces hair fall by 97% and strengthens roots with Ginger & Caffeine. Silicone-free, weightless & non-greasy. |
| Product Dimensions  | 1.93 x 1.93 x 6.1 inches; 8.47 ounces |
| Scent Name | floral |
| UPC | 884486448149 |
| UPC  | 884486448149 |
| Unit Count | 3.0 Fluid Ounces |

## Product Details

- **Hair Type:** All
- **Item Form:** Oil
- **Liquid Volume:** 3 Fluid Ounces
- **Scent:** floral

## Images

![Kerastase Genesis Hair Serum | Daily Strengthening Treatment for Weak or Damaged Hair | Nourishes and Reinforces Hair | Anti-Breakage | Silicone-Free | For Weakened Hair | Serum Fortifiant - Image 1](https://m.media-amazon.com/images/I/31BRybf+ugL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: Will this make my roots greasy?**
A: The Serum Fortifiant is a silicone-free, lightweight formula designed to absorb quickly into the scalp without leaving residue or oiliness.

**Q: How much should I use per application?**
A: Fill the pipette to the black dosage line. This equals one dose. We recommend using 4 doses to cover the entire scalp.

**Q: Can I use this on dry hair?**
A: Yes, the serum can be applied to both towel-dried hair after washing or dry hair on non-wash days.

## Frequently Bought Together

- Kerastase Genesis Hair Serum | Daily Strengthening Treatment for Weak or Damaged Hair | Nourishes and Reinforces Hair | Anti-Breakage | Silicone-Free | For Weakened Hair | Serum Fortifiant
- Kerastase Elixir Ultime Refillable Hair Oil - Hydrates & Smoothes Frizz, Adds Shine, With Wild Camellia, Nourishes & Strengthens Hair
- 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.pt/products/194134755-kerastase-genesis-hair-serum-daily-strengthening-treatment-for-weak-damaged](https://www.desertcart.pt/products/194134755-kerastase-genesis-hair-serum-daily-strengthening-treatment-for-weak-damaged)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-03-21*