Spa trends as reported by the International Spa Associations Members show that Medical Spas are still growing.

Medical spas: Is there a doctor in the spa? The number of medical spas continues to grow at the fastest rate of all the spa types, according to ISPA. The figure is 85 percent growth since July 2007.

While most people aren't going for a pedicure, people are using them for Botox, filler treatments and even a prescription for the new eyelash-lengthening drug, Ellis said.

Eyelash lengthing drug?