Allergic reaction with Pictures

I bought a shampoo of AVEENO both my kids have sensitive skin so I usually use Aquaphor shampoo and lotion. Well I wanted to try AVEENO and my

Daughter was fine my son not really he has a lot of a tiny red dots all over his face. Should I take him to the doctor? Or leave it and will it go away on its own? And it’s mostly on his face

This is how his face looks like ?