Helps protect up to 425 degrees F. With patented micro moisture serum and fiber actives. Protects hair from heat styling damage. Weightless formula. Advanced care & repair for beautiful hair. Heat Defense: Dove recognizes that the main reason for our hair problems is damage. That's why we put damage care and repair at the heart of everything we do. Did you know? Heat styling appliances can reach up to 425 degrees F and damage essential proteins in the hair. Advanced damage care and repair system: Formula with patented Micro Moisture Serum builds a protective shield around the hair fiber to help your hair defend against high temperatures from heat styling. Leaves hair protected and ready to style everyday without weighing it down. Effective against dry and rough ends, frizzy. Made in USA.