Famous How Long Does Bleach Stay In Hair References. Web here's what happened when i bleached my body hair at home. Web the lifespan of hair bleach depends on a few different factors, including the type of bleach, how it is stored, and whether or not it has been opened.
Timing is very important to bleaching. So, how long to leave bleach in hair? Generally speaking, hair bleach can last anywhere from six months to three years.
