Call and talk to them. Also, within 2 treatments you will not have to shave for a couple weeks. The reason they spread them out is because hair is in dormant and growth stages, and has to be in a growth stage for it to be killed. The reason it starts coming back is some moves from dormant to growth and starts showing up.
I'm the Emperor of the Left Half of the universe, and I approved this message.
I also hit more conventions than most people do, so if you see me say hi. Chances are I'll be selling DVDs in the dealer room.