Kérastase Resistance Therepiste Serum

Designed to strengthen and restore over-processed strands, Kérastase Resistance Therepiste Serum delivers concentrated repair with a lightweight, non-greasy texture. Best for very damaged or brittle hair, it smooths cuticles and improves manageability without weighing hair down. Applied as a leave-in treatment to lengths and ends, it supports styling and restorative hair routines.