Ultherapy uses focused ultrasound targeting the 4.5 mm SMAS layer for a deep,...

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Ultherapy uses focused ultrasound targeting the 4.5 mm SMAS layer for a deep, collagen-building lift with results peaking around 3 to 6 months. Compared to RF, which heats skin to 40-45°C for surface tightening, Ultherapy reaches deeper tissues