Effectiveness and Safety of the Ulthera® System for Skin Laxity in the Lower Face, Submentum and Neck

Inclusion Criteria: * Mild to moderate lower face, submental and/or neck laxity, that is amenable to improvement with non-invasive intervention and not severe enough for surgical intervention. * Willing to abstain from all other aesthetic treatments on ANY part of the face, submentum or neck, including but not limited to injectable fillers, implants, neurotoxin, skin peels, laser treatments, surgical treatments, etc. for the clinical investigation's duration. * Willing and able to refrain from chronic use of aspirin, ibuprofen, naproxen, or other nonsteroidal anti-inflammatory drugs (NSAIDs) for 10 to 14 days post-treatment. * Has an adequate understanding of the Chinese language. * Willing and able to comply with protocol requirements. Exclusion Criteria: * Scarring in area(s) to be treated. * Any active implants. * Any metallic implants in area(s) to be treated. * Any open wounds or lesions, including active herpes simplex, in the area(s) to be treated. * Presence of an active systemic or local skin disease, including active, cystic, or severe inflammatory acne in the area(s) to be treated. * History of keloid formation or hypertrophic scarring. * History of the following cosmetic treatments in area(s) to be treated: * Skin-tightening procedure, * Injectable crosslinked hyaluronic acid (HA)/collagen temporary dermal fillers of the lower face, submentum or neck within the past 12 months. * Injectable non-crosslinked HA dermal fillers of the lower face, submentum or…