Skin laxity, muscle banding, and fatty deposits are common problems associated with aging of the neck. The neck muscles extend from beneath the jaw down and around the neck itself, and these muscles tend to weaken over time. As the muscles become more lax, fat deposits begin to collect around them and the skin attached to the muscles begins to loosen and droop. Dramatic weight gain or loss, sun exposure and smoking exacerbate this effect. Due to genetic predisposition or weight gain, even the younger patient can be unhappy with the contour of their neck.