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How strong is the radio frequency used in skin tightening?

Q:

How strong is the radio frequency used in skin tightening?

A:

Radiofrequency is a form of energy similar to visible light, microwaves, etc. but with a specific range of wavelengths that heat tissue when applied. There are several RF devices on the market for this, but they all work by placing just enough energy to heat collagen to a point where it starts to break apart on a molecular level. This results in a healing response producing new collagen for firmer skin. In general, RF and other technologies such as focused ultrasound do not produce the same results as surgery but may be an option for younger patients with less skin laxity.

Richard A. Baxter, M.D.
Mountlake Terrace, WA

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