when shaving, why does it seem like a warm razor cuts so much smoother than a cold one, regardless of the face’s temperature?

Question

the title
Fresh out of the shower, I begin to
Shave and I’ve noticed if I
Run the razor under cold
Water it’s seems like
It drags and burns more but running the razor under warm water seems to make it smoother.
Noticed this with multi-blade razors but seems even not so with a straight razor

In: Physics

Answer 1

Why not just get a fog-free mirror and shave in the shower? You’ll always be running the razor under warmer water, and there is no sink mess to clean up.

I’ve been shaving comfortably in the shower for 30 years and can’t imagine ever shaving at the sink again.