I wanted to let you know about an alternative to wax that you may find helpful. When I used wax it seemed to me that it would get all soft and shift around, and I was constantly reaching in there mushing it back to where it should be (especially in the back.) I found a discussion thread on here about silicone wax and decided to try it, except, I don't have it at my local WalMart. BUT!!! Someone suggested Mack's Pillowsoft Silicone Earplugs. They are wonderful. They don't "melt" like the wax did for me. It is super soft and lasts forever! I work 12 hr shifts and it will last all day for me (even during eating if you get it on right and are careful.) I literally had to peel it off at the end of the day where my wax would have mysteriously disappeared by then.
http://www.macksearplugs.com/product2.htm
Oh yeah, and it says in the insert:
IN CASE OF MISUSE: If you, your child or your pet has swallowed a plug, do not worry. It will pass through the body in the normal way. It is non-toxic and will cause no harm....
I found mine at Walmart near the contact solution. It was about $5 and you get 12 "blobs" (which actually ends up being cheaper than the $1 disappearing wax that equals about a "blob.")
Something to consider.
And something to ponder.... I've read a bunch of posts about radio personell but very few about TV personell (or actors, etc). Which, if you think about it, is strange. The saying is "You have a face for radio," but it's the radio people who are getting their teeth fixed!