Kérastase Extentioniste Thermique
A leave-in heat protectant from Kérastase designed to shield lengths during styling while promoting smoother, more manageable hair. It has a lightweight cream texture that detangles and reduces friction, suited for those growing out or strengthening long hair. Recommended for heat styling users seeking a non-greasy, smoothing finish without weighing strands down.
Ingredient Safety
No risk1
Low risk18
Moderate risk7