Ultherapy uses focused ultrasound at 4.5 mm to target the SMAS layer,...

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Ultherapy uses focused ultrasound at 4.5 mm to target the SMAS layer, stimulating collagen deep within for natural lift over 3 to 6 months. Compared to RF, which heats skin at 40-45°C mainly for surface tightening, Ultherapy reaches deeper layers