Philips BHA735/00. A variety of hairstyles, unsurpassed shine. Use the blow dryer to style your hair while making it smooth and shiny. The swivel brush with natural bristles (three sizes) adds volume and bounce and allows you to create different styles, while the retractable brush gives you defined waves. The ionization function allows you to dry your hair without electrostatics. A stream of negatively charged ions is created to reduce frizz, smooth cuticles and increase shine.