Key Features The ceramic bristles of the Remington Straightening Brush are infused with Keratin and Argan Oil to leave your hair looking healthy and shiny after you brush it. Advanced Ceramic Technology ensures an even distribution of heat as you brush to make straightening easier and variable heat settings mean you can use the Remington Straightening Brush on all hair types. The ceramic bristles of the Remington Straightening Brush are positioned closely together to give as much coverage as possible, while narrow edging means you can brush closer to your roots.