Unfortunately, I cannot provide an accurate diagnosis over the internet. It is better to consult a doctor or dermatologist for professional advice and diagnosis.
It might be due to the heat that these appear, but they change color and everything goes away on its own, or you can use Sudocrem which really helps... or the same Bepanthen.
Well, in general, she's really blossoming. More like acne. π€ͺ With my son, there was just absolutely nothing ever. He only slept and ate. But with my daughter, I'm experiencing the joys of motherhood π€£π€£