Protect your hair from heat damage with Moroccanoil Perfect Defense. Shield your hair from the damaging effects of heat styling with a lightweight, dry aerosol spray that provides protection up to 450°F/230°C. Suitable for all hair types, this formula helps maintain hair's hydration while guarding against heat-induced dryness. Whether used on damp or dry hair, this heat protection spray forms an invisible barrier that supports your styling routine and leaves hair looking smooth and healthy.