Résistance Extentioniste Thermique
A lightweight heat protectant from Kérastase designed to help strengthen and protect lengthening hair. Smooth, fast-absorbing texture suitable for fine to medium strands that are prone to breakage. Fragrance-free formulation focuses on manageability and thermal defense, making it a practical choice for anyone using frequent heat styling.
Ingredient Safety
No risk1
Low risk18
Moderate risk7