you can't use it in the shower; it has to sit for 5-10 minutes before being wiped away.
and I've moved on to skyr over Greek yogurt.
When I first saw this, I was thinking "What the fuck is he talking about--does he mean the puss?"
But honestly, that's up to you. I don't trim or cut or anything back there. I doubt there's anything anyway--I didn't get my facial hair until I was 24. If you yank out hairs when you wipe, then maybe.