HIFU Technology HIFU is a highly precise medical procedure that applies high-intensity focused ultrasound energy to locally heat and destroy diseased or damaged tissue through ablation. The treatment fast and direct access to the treatment site within 0-0.5 seconds, without touching the surrounding tissue and can be passed directly to the superficial tendon membrane system (SMAS). It can be done firm skin while pulling the muscle layer, thin face up to the progressive effect.