The combination of body and facial surgery is possible within the same week. You should book your operation with Dr Doornaert (body) on a Tuesday and with Dr van de Ven (ffs) on Thursday two days later. Below you can look for a combination of slots where this is possible in both surgeons operation schedules.
As mostly the price of the guesthouse stay is included in the proposals of Dr van de Ven, but not in those of Dr Doornaert, you have to book some extra nights in the guesthouse (Monday and Tuesday before your included stay wit Dr van de Ven).
Also the intensive electrolysis program is perfectly combinable with surgery. Again the downtime will be minimised. Best is to book your operation on Tuesday and the electrolysis on Tuesday till Friday one week after your operation 8h/day.