Answer:
Late afternoons I often bathe. I'll soak in water piping hot. My essence goes through. My see through clothes. Used up am I - I've gone to pot.
Send poorly behaved children to me and let them sit here.
I shave several times a day, yet I still have a beard. What am I?
I am black, white, and read all over. What am I?
What has many keys but can't open a single lock?
No matter how little or how much you use me, you change me every month.