I don't think any of the enzymes in saliva is concerned with the metabolism of oils (the lack of which causes pimples), but I'm definitely going to look into it after this comment. Sometimes you'd be surprised that some "crazy" rumors turn out to not just be true, but to be scientifically sound as well.

I find it interesting that you didn't believe a tea could've cured COVID. I mean, it turned out the tea really wasn't the cure, but it was very possible that COVID's vaccine could've been found in a tea. Wouldn't be the first time a Vaccine or medicine was created out of herbs.