I only clean my hair every five days, initially I liked this product or service. Two many years later on all of the plastic bristles have damaged off and now I want to replace this dryer. Not sure I will adhere with this brand name or go with Amika Speed https://allhealthmarket.com/product/health-and-beauty-2/hair-care/hair-care-styling/hair-styling-devices/5-in-1-electric-hair-dryer-hair-comb-negative-ion-straightener-brush-blow-dryer-air-comb-curling-wand-detachable-brush-kit/