Answer:
If two is company and three is a crowd, what is four and five?
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.
You use me between your head and your toes the more I work the thinner I grow.
I am what brings things together. Without me everything you see would be a total mass or debris everywhere. What am I?
An action done on mosquito bites
I will disappear every time you say my name.