Kerastase’s Discipline – Fluidissime Thermique Heat Protectant is a lightweight shield against heat up to 450deg F, delivering 72 hours of humidity protection. Say goodbye to static and flyaways and hello to soft, manageable, and shiny hair.Infused with Morpho-Keratine and conditioning agents, it smooths unruly or curly hair while adding a lustrous shine. Xylose ensures top-notch protection during heat styling, offering impeccable control and a polished look in any weather.