> 7 years in with my original DE and brush Badger hair brushes should really be replaced more frequently than once every seven years. The soaps/creams build u

> 7 years in with my original DE and brush Badger hair brushes should really be replaced more frequently than once every seven years. The soaps/creams build up over time, and bristles get damaged during use, and it's something that frequently gets wet with hot water which can cause bacteria buildup.