Genesis Défense Thermique Blow-Dry Primer

A lightweight, leave-in heat protectant from Kérastase that smooths and detangles while prepping hair for styling. Its silky texture layers easily under serums or creams and works well for weakened, frizz-prone, or regularly heat-styled hair. Fragrance-free and easily distributed through lengths, it suits those seeking thermal defense without heavy buildup.