I shall take it that the jaw botox was used to attain a slimmer face.
Does HIFU Help with Facial Sagging?
HIFU does indeed help to improve facial sagging to give a more contoured jawline after jaw botox.
What Alternatives are There to HIFU
An alternative treatment to HIFU is Dermalift. This involves injecting baby doses of botox into the skin along the jawline to improve jawline lifting and tightening.