Who makes it: Zeltiq, in Pleasanton, Calif.
Length of treatment: One hour
Cost: $700 to $1,500 per treatment
What it is: A device that uses radio frequency waves to stimulate and strengthen the skin's collagen. The goal of the procedure is to tighten skin, shape body contours and smooth wrinkles.
Who makes it: BTL Aesthetics, in Prague, Czech Republic
Length of treatment: About 20 minutes
Downtime: None, though redness and swelling may last a few hours after treatment
Cost: $400 to $600 per treatment
EXCEL V LASER
What it is: A laser used to target the red in blood vessels, heating them to the point of collapse and disappearance
Who makes it: Cutera, in Brisbane, Calif.