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

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Ultherapy uses focused ultrasound targeting the 4.5 mm SMAS layer for a precise, deeper lift, with results peaking around 3 to 6 months. In contrast, RF heats skin to 40-45°C to boost collagen at shallower depths for gradual tightening