Bought 6 for price of 5, when it came to 6th (free) it took 20 mins going through the dates I had visited, falsely blaming me for not bringing my card, etc, to finally admit this was my 6th and free visit.
Asked not to book via Treatwell as it costs a fee and I had pre-paid. But then took over a week to return my call to book a treatment.
Will not be going back.