yeah - koolair id very permanant. my youngest has just finished groowing out her hot pink hair after 2 years. she is 5. it did fader though. people kept asking if it was her natrual color

: yeah .. hot pink fruit punch is a natrual hair color for little scandinavian girls everywhere. I shuold say her hair was very light. on my older dds and neices it didn't even hardly show up.
My babysitter got something at hot topic that showed up on dd's hair but I think her coloring was still pretty light then. . . it smelled like blueberries . . . .
otherwise we have had to bleech before dying. on the up side it wasn't that big of a deal. it was just something permanant that had to grow out op ver the course of a couple of years. since your ds is a boy that shouldn't be such a big deal. our compromise in the past when they have had long hair was to just do the tips/ends. it makes for a really nice dramatic flash of color without getting near their skin, scalp or eyes and can be easily trimmed out when they grow tired of it or if it is a total disaster. they usually did it a few weeks before they were planning to get a hair cut. its kinda a spring tradition around here. . . .