hi ive got dark hair not natural its a colour on it .. i want to go lighter. to go bright red .. i know my hair could take a bleach wash but then i have to be carefull what colours i put on in the future and i have really long hair so wouldnt want to be chopping it off lol.. anyway will colour b4 lighten my hair enough or will i need to do a bleach bath and what will damage my hair more? i am a trainee hairdresser so thats why im scared cause no bleach can dry hair even more x