not that this is a good thing, but i do know that professional wrestlers & sports athletes that take some type of steroids or body building supplements usually tend to lose body hair. i don't know what they take or anything but i have heard that it is common. if you know some body builders or so they might know the answer. aside from that i would have to say laser removal is probably your best bet, but it is currently expensive for large areas. doing the lip area would not be so bad.