Manic Panic Hair

I'm going to die tonight, my hair and I was reading about how to make the color longer. The dye I use said to leave for 30-45 minutes but the young girl who uses a color from Manic Panic, said leave it for at least 6 hours. Do you think he would do no harm, so I left mine at that time?

If you use Manic Panic, you can leave the dye in as long as overnight if you wish. Manic Panic is natural color, so it will not harm your hair, because it has no harmful chemicals in it. If you leave it in for so long, the color will be much stronger / last much longer. If the dye you use is something other than Manic Panic, do not leave longer than the bottle says. It will damage your hair.