If your hair is brown, purple probably isn't going to show up very well. It's best to bleach your hair before dying it an unnatural color. Like I told you before, the box says 30-40 minutes, but the most I'd leave it on for is an hour. And that's at your own judgment, too.
But China's population statistics can be particularly misleading. Virtually overnight, Chongqing has become the largest city not only in China, but in the world, Time Magazine proclaimed in 2005. But it wasn't true-Chongqing is not the largest city in the world, or even in China.
What city is the largest city in the US? The largest city in the US according to the US Census Bureau as of 2011 is New York, NY, population of 8,175,133. Making the world better, one answer at a time. in order of pop. (if you want actual size i.e. km2 maybe you might want to write out your question out correctly) new york philadelphia baltimore boston pittsburgh newark buffalo jersey city rochester yonkers. in order of pop.