Yes, you DID say it was used in cosmetics, which is what threw me off. Rice powder makes the face powdered face look luminous, as does its use in foundation.
LOL...obviously, I know some weird stuff and I have no idea where I read about rice powder. Perhaps it was in a book I have about Japan, or one about Geishas.
Yes, green peppers, although I’m sure other colors would suffice.
And, yes, a glaze of ketchup, mustard and brown sugar....classic.
You pushed me into finding where oats are used in cosmetics. Here you go:
Let me know how they work for you.