Ionithermie is the name of a treatment offered in some spas that claims to

reduce the appearance of cellulite
improve and smooth skin texture
slim the body, causing the loss of between 1-8 inches on the very first treatment
firm and tone muscles, lifting slackening areas and flattening the abdomen
detoxify and re-mineralize the body, raising body energy levels and the metabolism

The process involves the application of electronic stimulation (claiming to employ Galvanic and Faradic electrical currents), micronized algae, and conductive thermal aroma clay.

Extracted from www.wikipedia.org.