+29 How Long In Between Bleaching Hair References. Bleaching causes your hair to be susceptible to more damage, and processing it so close together can further strip and damage your hair. How long are you supposed to leave bleach on your hair?

Apply the mixture to your hair evenly using a brush or comb, while making sure it doesn't get on your clothes or skin. Repeated bleaching can permanently raise your cuticle, which allows rapid and continuous loss of moisture from your strands. Bleaching causes your hair to be susceptible to more damage, and processing it so close together can further strip and damage your hair.


