Chronologiste Heat Protecting Leave-In Treatment for Dull and Brittle Hair

A reparative leave-in treatment from Kérastase Chronologiste formulated to protect hair from heat while improving shine and manageability. Smooth, serum-like texture that sits lightweight on strands. Suited for dull, brittle hair in need of thermal defense and visible strengthening. Presented as a styling and treatment hybrid for those seeking damage protection with everyday wearability.