Red, splotchy patches and dots. Flat, smooth not scaly. One on left ear. Any ideas as to what it is?

How long has this been going on? Are they anywhere else and do they itch?

My daughter had something like that on her ear. My mom told me to put rose water on it which is glycerin water

@mamadiaz my daughter gets the same thing, it was from her spit up.

@mamadiaz I use Cerave and cornstarch (I switch between, and to keep track I do it when I change her) It really helps.