Kybella contains deoxycholic acid, a compound that metabolizes fat cells, which are then discarded by the body as waste. Whether your double chin is a result of genetics or the aging process, Kybella can help you to turn over a new leaf and attain a more positive self-image. Laser hair removal may remove or greatly lessen the hair on your treated area. The technician will give the treatment area a pulse of light. They'll watch for several minutes to make sure they used the best settings and that you aren't having a bad reaction.