Learn enough Japanese to get a haircut next time I`m in Tokyo

Apparently they have some of the best hairdressers in the world. However, I have a penchant for complicated haircuts, so a good grasp of the Japanese language is a must. I plan to come back here in two, maybe three years, so hopefully by then I`ll be able to walk into a hairdresser and go “Okay, I want the back to be all spikey and blonde, with long bits here and a big fringe here, but not over here….”