Girls. How do you treat cradle cap on the neck? There's a whole fold r…

Girls. How do you treat cradle cap on the neck? There's a whole fold red. We went to the pediatrician today, I thought it might be an allergy to the formula (formula only 3 weeks in the diet). She examined and said that maybe I ate something wrong (we have SVs). She told me to wipe with chamomile and bathe in it. In the end, I started wiping with chamomile and saw that the neck was all red. It's clear that this is cradle cap. Wiping the face with chamomile is understandable. But what about the neck? It's always under folds and will be like that? ? Only a small part of the neck is visible in the photo, but in reality