Hello,
From the symptoms it can be due to milia skin. They are white pimples that occur mostly on the upper cheeks, nose and chin in children. The best way to prevent milia is to avoid treating your skin with excessively harsh chemicals and to limit sun exposure.
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your doctor. I sincerely hope that helps. Take care and please do keep me posted on how you are doing.
they call it milk spots alot of babies get it at birth on to months should fade mention it to your doc at a reg visit