whenever I apply any oil on my son's hair, there is something like cadle cap on his head and his face also gets rashes. can you help me with any oil to be used and why such thing happens

A. See there is no problem with that what happens is when this cradle cap sometimes fall onto the skin other than head it can create a little bit of rush so for that you can use calamine lotion and once the head is totally shaved off get the head shaved off that cradle cap is going to go away totally and the problem is going to be sort