Relax Silent The hottest hairdryer. Super heat to tame even the wildest hair. High temperature (323.6 °F). Ideal for drying during Keratin treatment. Double wave heating element: the temperature remains high across the entire air output area. Cold barrel: thanks to the special insulation of the heating element, stylists can handle the hairdryer from the barrel without risk of burning. Ultra narrow nozzle: when used with high temperature, even the most stubborn hair can obtain a “straightened effect”. Grill coated in tourmaline: ionizes the air, revitalizing hair and making it more shiny.