Even the healthiest, undamaged hair can get frizzy. Contributors to frizz include humidity, excessive heat-styling (use of hair straighteners, curling tongs, hair dryers), excessive combing and brushing of dry hair, and chemical processing which changes the structure of hair, leading to damage and frizz. John Frieda Frizz-Ease Moisture Barrier Firm Hold Hairspray has a fast-drying, shine-boosting formula lasts long and stays strong. Creates an instant barrier that helps seal out humidity and combat frizz, rain or shine. Firm-holding power supports even the hardest-to-handle styles, all day long. Get 24-hour hold for long-lasting, frizz-free style. Formulated with Keratin and 24-hour humidity protection, this intense-hold spray creates a barrier to moisture and helps prevent frizz.Locks out frizz for 24 hour hold