This lightweight serum will protect your hair from heat styling & leave it smooth & shiny for 48 hours even in 98% humidity!* It's great for frizzy- unruly hair in need of taming! Key Ingredients: Thermo-Setting Polymer: Provides humidity protection for straight- smooth- frizz-free hair. Conditioning Agents: Smooths the hair cuticle for super shine as well as calming static. Glycerin: Penetrates the hair fiber so hair is conditioned from within. How To Use: BedHeadMJ24 Apply evenly to damp hair from roots to ends. Comb through for even distribution. Blow dry evenly with a brush. For best results- follow with a straightening iron to lock in the smoothness. *vs non-conditioning shampoo