Yes, infant acne is very common and is caused by maternal hormones. (confessionsofadrmom.com)
Thanks to maternal hormones still circulating in their body, many newborns have acne, which usually occurs between 2 weeks and 2 months of age. (parents.com)
Doctors consider this a normal skin condition as a result of the baby's exposure to maternal hormones during pregnancy. (thefashionablehousewife.com)