K Kelsey New member Nov 29, 2012 #1 I have medium to dark brown hair and was wondering if I left the dye on for like 10 hours would it lighten my hair to a really light blond? And also would it permanantly color my hair leaving it on for that long? Thanks for your help!!!
I have medium to dark brown hair and was wondering if I left the dye on for like 10 hours would it lighten my hair to a really light blond? And also would it permanantly color my hair leaving it on for that long? Thanks for your help!!!