Help. Maybe allergies?

Florencia • Married 11/18/14💍had our Prince 12/28/14 👑had our Princess 10/27/19🎀

Hello i was wondering if somebody knew if this could be some type of allergy or what it could be? I changed the detergent i wash her clothes with idk if it could be that or what it could be. Its all over her body including face.

Please help

Thanks in advance