Genesis Serum Fortifiant Hair Serum

Daily Fortifying Scalp Serum for Weak, Breakage-Prone Hair

Strengthen hair at the root and protect against breakage with the Kérastase Genesis Serum Fortifiant — a professional-grade daily scalp serum designed to reinforce weakened hair and reduce hair fall caused by breakage from brushing and styling.

Part of the Kérastase Genesis collection, this lightweight, silicone-free serum targets hair weakness directly at the scalp level to help fortify fragile hair fibers, improve scalp health, and support healthier-looking, stronger hair over time.

Formulated for salon-quality results at home, Genesis Serum Fortifiant delivers targeted nourishment without leaving residue or buildup, making it ideal for daily use on weak, thinning, color-treated, or chemically processed hair.

✨ Benefits

• Helps reduce hair fall due to breakage by up to 97%*
• Strengthens hair from the root
• Supports healthier-looking scalp and hair
• Lightweight, non-greasy formula
• Nourishes without weighing hair down
• Helps protect against breakage from brushing and styling
• Suitable for daily use
• Silicone-free formula

*System of Bain Hydra-Fortifiant + Fondant Renforçateur + Sérum Fortifiant vs. non-conditioning shampoo

🧪 Powered by a Dual-Action Fortifying System

🌿 Ginger Root Extract

Helps protect hair against daily external aggressors and environmental stress.

❄️ Edelweiss Native Cells

Known for antioxidant properties that help support and strengthen weakened hair fibers.

⚡ Caffeine

Helps improve scalp micro-circulation thanks to its stimulating properties.

💪 Arginine

An amino acid that helps reinforce and support fragile hair fibers.

💡 Ideal For

• Hair prone to breakage from brushing or heat styling
• Weak or fragile hair
• Thinning or low-density areas
• Color-treated or chemically processed hair
• Daily scalp strengthening routines
• Professional scalp care at home

🛁 How to Use

1. Towel dry hair after shampooing and conditioning
2. Fill the pipette to the black dosage line (1 dose)
3. Part hair and apply directly onto the scalp
4. Focus on areas prone to breakage or lower density
5. Massage gently into the scalp for absorption
6. Apply up to 4 doses depending on targeted areas
7. Do not rinse — style as usual

💡 Pro Tip: Store the serum in the refrigerator before use for an extra cooling and calming effect.

Can also be applied to a dry scalp between wash days for continuous strengthening support.

✨ The Result

Hair feels stronger, healthier, and more resilient from the root — with reduced breakage, lightweight nourishment, and improved scalp care over time.