I shave my whole head & face everyday.
I just use a Excel Sensor, with a non-fog mirror in a hot shower.
No gel, or lotion...that makes me break out.
The hot water prevents most bumps.
Many barbers will apply a very hot towel around the face,
to prevent bumps.
I just cut to the chase (face?
) by just doing it all at once.
I also don't like the Mach3, it doesn't follow the curves of my face well.