Hold Index: 5 Increases hair thickness up to 96% after three applications. Protects against humidity and frizz for up to 48 hours. Significantly increases body for up to 24 hours.Non-flaking, brushable finish. Reactivates upon reapplication. Increases shine. To Use:S hake well. Apply evenly to damp hair from roots to ends. Comb through to ensure even distribution. Blow dry and style as desired. Reapply on dry hair and comb through for a refresh.