You’re saying the shaving cream was the cause of the clogging?
lways in the small pipes behind the sink not in the main line. It started after a big magnitude 7+ quake here a couple of years ago. The whole house is now slightly out of level. Doors have to be wedged to stay open. I had a guy come look at it to make sure there was no structural damage. His comment was “That’s just Guam!” Evidently it is a common issue here.