HIFU is a very effective technology that lifts and tightens the skin deeply based on high-intensity focused ultrasound (HIFU). The treatment contracts the skin layers and stimulates the production of new collagen. As a result, the skin will actually begin to lift and tone over time. With HIFU, you can achieve a more defined jawline and firmer neck. Cheeks can be lifted, as well as eyebrows. Skin tightening in the chin, cheeks, or face and neck, or reducing fine lines on the face. Very effective for firming the skin anywhere on the body.