Kybella (deoxycholic acid) is a non-surgical injectable product from Allergan, Inc. (Irvine, Calif.) that can reduce or eliminate moderate to severe fat on the upper neck, known as a double chin. In this video filmed at THE Aesthetic Academy in Newport Beach, Calif., Dr. William Philip Werschler, a dermatologist in Spokane, Wash., reviews various aspects of the Kybella procedure, including best practices for injection and follow-up treatments, understanding Kybella’s mechanism of action, patient selection and management, and clinical results.