72 hour frizz reduction. Heat protection up to 450 f. Bio-advanced peptide and Quadra mine- the most powerful reconstructive technologies known to hair. We know that it can take great styling tools to get your hair looking just the way you like it, yet we also know that exposure to these thermal gizmos can do a drying, damaging number on your tresses so Joico has developed the perfect fast-dry, non-sticky thermal heat protectant spray.