If canceled with 24 hours to appointment, it is a full charge. Non refundable. Please understand your booking takes away from another customer who could have booked, so if cancelled same day its treated as a booking.
If cancelled with 48 hours or sooner, it is eligible for credit. This means it's a cleaning credit applied to your account that can be used whenever you please.
If you decide to cancel before the 48 hour window, you are eligible for an immediate full refund