treatment comfort rate scale of 1 to 10 is a 4 tolerable and starting seeing result about 3 months lifted my jowles, brows, and neck they use a handpiece that delivers energy deep into skin to break down collagen so it can be repaired much stronger treatment lasted about 1.5 hours i was not swollen and didn't have any downtime. My neck was a liittle number for a few weeks but all that went away. My results are amazing and only had to go for 1 treatment