This spray protects hair from thermal and heat styling tools like straightening irons, curling irons and hairdryers. Added Proteins ensure a flexible hold while Provitamin B5 regulates the hair’s moisture balance.Our Thermal Protector does exactly what it says: protect your hair against heat. It’s an unskippable step before you style with your curling iron, flat iron or blow dryer. Provitamin B5 regulates your hair’s moisture balance for soft, healthy, weightless results and a carefully selected wheat protein blend protects even the innermost hair structure.Generously mist all over towel-dried hair and style away!