My baby has chubby cheeks and double chin. Therefore, her neck area always become red and sweaty. I don't know what should I do. Can anyone advise me?

I faced the same problem for my 2nd baby. He has fungus infection because we didn't take good care of the neck area. PD advised us to try to lift up the neck and air it to make it dry. For me, I also apply some organic baby powder that is talc free and fragrance free.