Kybella does work... ...if you're a candidate! There are various ways to treat the neck. Each respective treatment targets different aspects of the aging neck anatomy. Kybella specifically targets fat under the chin. We have great success treating this area with Kybella in our practice. We believe there is a skill to its delivery - both in terms of amount of product used, its spatial delivery, and angle of threading of product to manipulate delivery around the muscle bands which can obstruct its efficacy. Most patients require 2-3 injection sessions, and a minority requires 4.