When I remember to. I know the directions say to do it every 3 months, but I'm sure I go longer. I don't use it every day, so that's my justification for going longer than 3 months.
Post by polarbearfans on Mar 30, 2015 21:05:20 GMT -5
Every few months or so. The brushes just get very soft over time. I always detach my brush head after use to properly dry, so I don't get the gunk inside