Bollux! If your skin isn't broken and they leave the actual treament area alone there is no reason for them to refuse that I have heard of.
' Move anything around' FFS! It's bad enough to feel like you've been dragged backward down the stairs without someone treating you like a leper. Does she think you are radioactive enough to contaminate her? The numpty. If that were the case there would be thousands of people wandering around glowing mysteriously because they'd hugged one of us.
Get her to refund the money and go somewhere else.