If you leave hair dye out for more then 30 minutes will it not work?

Question

ok...this new dyeing hair thing problem.... ok so i dyed it and it looked great then i wanted to try and put highlights in...very very bad idea...so i stoped did not have to many already done and went to get the rest of the dye and re dye it but i can still see blond highlights how do i get the other color to come back??

Answer 1

You have to color it back.  It's best to do it now while your hair cuticles are still open.  

Your should buy new color (the same color you wanted) because once it's opened and you mix it...it starts working THEN.  After 30 minutes...it's processed and it doesn't work anymore.  That's why you have to apply it as soon as you mix it and when you keep it in your hair...it says only like 30 -45 mins because after that it doesn't do anything else.  

Good Luck!  Just go buy the same color you need and put it back on.  It'll work out!