Head-to-head comparisons and evidence reviews: HIFU against RF, Ultherapy, microcurrent and cavitation, plus what controlled studies do and do not report for each technology.
Four technologies aim at overlapping concerns and are sold with overlapping claims. The differences that decide your choice are depth, how quickly results appear and how long they last.
HIFU reaches deepest, RF works in …
Radiofrequency has been studied more than most cosmetic technologies, which makes the honest answer easier: it works, gradually, on the right concern.
Heat contracts existing collagen and triggers new collagen.
Energy raises dermal temperature, …
Cavitation produces quick circumference readings after a session, and that is exactly why it is misunderstood. Separating water movement from fat loss explains most of what people report.
Pressure waves disrupt fat …
Home HIFU is sold as a shortcut to a clinic result, and it is not one. It is, however, a genuine maintenance tool when the device reaches a useful depth.
Usually two or three …