Many of the extreme body modifications people can have done are permanent procedures. Others are temporary. Body sculpting is apparently big in Japan, with a new fad called "bageling", or "bagel head" is growing in popularity. Is this a procedure you would consider? Take a look at these photos, then decide.
You'll need about two hours of free time in order to complete the injection process. The highly attractive look that results will last about 24 hours before the body absorbs the saline. That means you'll have one whole day to experience looks from others that say, "What the hell happened to you?"