Q. What is Thermage and is it safe? A. Thermage is a radio frequency anti aging treatment designed to stimulate collagen production with deep heat. It tightens the skin and softens lines and wrinkles. Radio frequency use is safe and Thermage is approved by the FDA. It can be done on the face and body. People say the results can be subtle and not really noticeable for 2-6 months because collagen has to build up. It is painful but a facial treatment only takes about 45 minutes. The one thing that makes me leery about it is, I have heard for years now that it can effect the fat in your skin causing the face to look more sunken in or leaving it looking dimpled as with acne scarring. I checked into it and the fat problems seem to be associated with older machines that were using too much energy. Thermage can only be performed by a doctor not an esthetician. Therefore, only go a very experienced doctor not a laser med spa. Ask about the machine bei...