Harajuku is an area, it's not a fashion. Although I know what you mean, you're speaking of the kind of fashion that is most often seen around Harajuku, right?
I honestly think that if you have enough confidence you can wear anything you want, and whereas the majority of people may not find it to their standards they will respect you for being yourself. I am part of a Gal-Cir in UK and the majority of these people dress
old school manba/banba (lol sorry googled an image for referance) and they've never had any problems - if you show you're confident in your own skin people won't bother you.