Originally Posted by Play Care:
Yes we do clay, glitter, paints, etc.
I use smocks on all the kids, which keeps their clothing in reasonably good condition.
While I do make it clear that we can get dirty, and to send them in old/play clothing, and they do, I do try to be mindful that clothing costs add up. 
Same. I even go as far as trying to make it all washable, I wash all of the kids clothing and return to cubbies here.
If a parent complained about something under a kids fingernails, they would be told "Oh, yes I noticed that they need to be cut."
because what? A bath and proper grooming fixes all that.