Humidty-proof formula for ultra-straight & nourished hair. Revive & rebuild your hair with this protective smoothing balm based upon the incredibly moisturising keratin silicone complex. Heat-activated, this balm sets to work straightening, smoothing & moisturising hair with every blast or sweep of a heated appliance. Featuring K-PAK's Keratin Silicone Complex, this balm also straightens, conditions & eliminates frizz while protecting against thermal & environmental damage.