Hi, My daughter as got white patches on her face.whaat might be the reason. she is 3 yrs old

A. hi dear Neonatal milia affects infants and causes white cysts to form on a baby's skin, most often on or around their nose. This type of milia is present at birth. Primary milia: Primary milia are small cysts that are common on your eyelids, forehead, cheeks or genitals. They affect both children and adults.