My 7 weeks infant has a rash neck ... what is safe to use on her skin?

rash on the neck, you must preserve in mind: question Mochamom : My 7 weeks infant has a rash neck ... what is secure to use on skin When my son was about 4 weeks, he created a kind of red rash looking raw on the neck and in the folds of his neck. I asked the medical baby powder with cornstarch to his neck prior to going to bed and he cleared. Now at 7 weeks, the rash is back. I also see it inside of his left arm development. Could it be eczema? How can I treat it erupted? His doctors

Itching Urticarial Rash