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

https://telegra.ph/What-Should-I-Ask-a-Clinic-Before-Booking-Ultherapy-in-Singapore-08-18

Ultherapy uses focused ultrasound to target the 4.5 mm SMAS layer, which few treatments reach, offering a natural lift that improves over 3 to 6 months. RF heats skin to 40-45°C to boost collagen but doesn’t penetrate as deep