Hey! What is this? Allergy? We switched to gizm 5 from gizm 4 (diapers…

Hey! What is this? Allergy? We switched to gizm 5 from gizm 4 (diapers) As soon as we changed diapers, allergy appeared. I thought it was just a normal thing, so I smeared cream on it with Bepanthen. The next day it became more or less. But it still hasn't gone away. She's still itching. My daughter occasionally rubs her hand against it. Has anyone had this? What do you think? I have an appointment this week. I'm just curious if anyone else has experienced this too.