 Male or female, 22 years and above Has moderate to severe chin hypognathism Moderate to severe hypognathism 145-160 degrees as measured with goniometer by principal investigator at screening visit. All other measurements will be performed by a blinded Canfield facial image analysis technician. Written informed consent has been obtained Written Authorization for Use and Release of Health and Research Study Information has been obtained Written documentation has been obtained in accordance with the relevant country and local privacy requirements, where applicable. Ability to follow study instructions and likely to complete all required visits If the subject is a female of childbearing potential sexually active and not sterile, surgically sterilized, or postmenopausal with no menses for at least 1 year, have a urine pregnancy test evaluated as negative at randomization, have used contraception for at least 30 days prior to enrollment, and agree to use a reliable method of contraception for the duration of the study. Subject agrees to abstain from any treatment to the lower 13 of the face including botulinum toxins, hyaluronic acid fillers, cosmetic surgery, laserlight therapy, chemical peels, etc. 