KÉRASTASE Sérum Fortifiant Hair Serum

What it is: A concentrated hair-and-scalp serum—with a lightweight, non-greasy texture—that delivers intensely fortifying care to strengthen weak hair.

Hair Texture: Straight, Wavy, and Curly

Hair Type: Fine, Medium, and Thick

Hair Concerns:Hair Concerns:
- Volumizing
- Damage/Split Ends/Breakage
- Thinning

Key Benefits: - Strengthens Hair Weakened by Heat and Brushing - Hydrates Hair and Adds Shine - Has a Lightweight, Non-Greasy Finish Highlighted Ingredients: - Edelweiss Native Cells, Ginger Root, Arginine, and Caffeine: Detangle and moisturize while immediately increasing strength and softness. What Else You Need to Know: Breakage is a primary contributor to hair fall, occurring when hair is weakened by daily aggressors, including heat, brushing, and over-styling. Enriched with fortifying ingredients, this non-greasy, silicone-free serum strengthens weakened strands to address hair fall caused by breakage from brushing. Professional stylists use it to moisturize all hair types. Fragrance Description: The bright, invigorating scent unfolds with top notes of bergamot zest, cedrat, and lime; base notes of basil, bergamot flower, and rose; and base notes of vetiver, musk, and tonka bean. Clinical Results: In a controlled study using a system of Genesis Strengthening Shampoo for Normal to Oily Hair, Genesis Strengthening Conditioner, and Genesis Strengthening Serum for Hair and Scalp vs. a non-conditioning shampoo, results showed: - 98% less breakage - 97% less hair fall due to breakage from brushing