Because baby acne typically disappears on its own within several months, no medical treatment is usually recommended. If your baby's acne lingers for much longer, your baby's doctor may recommend a medicated cream or other treatment. Don't try any over-the-counter medications without checking with your baby's doctor first. Some of these products may be damaging to a baby's delicate skin.
It is very common. Between 3 and 7 in every 10 babies develop it. It seems to be more common in babies born at full term (between 37 and 40 weeks of gestation) compared with premature babies.