Braun, Satin Hair 7 (IONTEC Black Hair Brush With Seamless Bristles For Medium to Thick Hair Types) The Braun Satin-Hair 7 brush with active ions is a revolutionary innovation in the world of hair care. The Braun Satin-Hair 7 brush is easy to use, 100% portable, fights frizz and removes static. The seamless bristles with a super smooth surface enable exceptionally gentle brushing to help prevent damage to the cuticle. The extra soft cushion is specially designed for a sensory experience on the scalp and enables gentle brushing without snagging your hair. It’s also removable for easy cleaning. The Braun Satin-Hair 7 brush has an automatic switch off function to prevent it from accidentally being switched on when carried in a bag. Please note this is not a hair straightener.