Hold Index: 12 Increases density of the hair shaft up to 150%.Resists humidity for up to 48 hours.Provides thermal protection up to 428ºF (220ºC). Significantly increases body for up to 24 hours.Flexible, light hold lasts up to 24 hours.Non-flaking, brushable finish. To Use: Shake well. Dispense desired amount into palm of hand. Apply evenly throughout towel-dried hair focusing on roots for maximum pluming effect. Style as desired.