Kerastase discipline Keratin Thermique cream resurfaces and protects hair, helping to tame unruly locks. This leave-in treatment provides extreme protection when using heated tools such as your blow dryer and curling/flat iron, smooth down strands and prevents the effects of humidity on hair. Hair is left looking and feeling smooth and frizz-free. Kerastase Keratin Thermique is proven to speed up your blow-dry by half the time. Kerastase research shows users of the Thermique Cremes experience up to 87% less breakage.