Why Shouldnt People Wax After Showering Okay Then If I Get Waxed What Of These Shower Products Shouldnt I Use After And For How Long?

Okay then if I get waxed what of these shower products shouldnt I use after and for how long? - why shouldnt people wax after showering

This salicylic acid body wash and I asked my full leg wax could not wash with this body the day after wax?