I went ahead and posted a message to the forum.
When I was growing up, I can remember splits along the perimeter of my thumbnails and there on the outside edge of the nailbed where there is no nail. That was some painful. I can remember sucking up the blood and licking them for comfort.
If people don't want to try it for themselves, they can at least try it for their kids.
Don't get me wrong. We had the usual stash of hand lotion, cold cream, baby oil, Vaseline and Vick's. They don't work.
UPDATE: Good. There's one positive response from the forum.