I have to always be on guard at this place. I have been duped before into getting service "upgrade$" - one time I was asked if I wanted nice-smelling lotion instead of the regular nice-smelling lotion. I said "no" at first but was heavily pressured into taking the 'nicer smelling' stuff. Didn't care either way, until I paid my bill and it was $20 more than what I was expecting.
It's not sound business to trick your customers into upgrading their service. The time to do that is when a person is checking in for their appointment - it is then the cashier has a chance to explain additional services that are available.
I used to go to this place a while back but stopped going because of these tactics. I went