My hairdresser has actually sat me down and told me I dye my hair too much, and she could not in good conscience keep doing things to it if I was going to keep it up! Luckily I was tired of bleaching and so we settled on a demi color to take me back to a golden brown (I have naturally black hair). It's been growing out beautifully so I don't need to go as often (and it's much less expensive!) I do a trim with her every few months, and she never takes off more than I want. She knows my goal is long hair, and I actually picked her because a friend of mine has gorgeous long hair- I asked who her stylist was, and then went and made an appointment. Never a better indicator, right?