Great question and a common one! After Botox and/or dermal fillers I recommend patients refraining from strenuous exercise for about 12 hours (aka until the next day). Both Botox and fillers settle and stabilize after a few hours so by the following day after injections, patients can safely ...
This is my expertise and a huge portion of my practice. Asymmetry is normal and expected. Buccal fat pad gives slimming not symmetry. Masseter botox will make you slimmer and make the jawline more loose. Fillers help give shaping and contouring. If you want perfect or close to perfect symmetry...
Facial sculpting and contouring can be created with well-placed fillers (Voluma, Countour, Radiesse, Bellafill) and Sculptra, which would give improvement in facial balance. Fat or implants are alternatives. I recommend getting a formal evaluation with a facial sculpting expert. Best, Dr. Emer