What can be treated with laser? Hereditary freckles usually appear at a young age or after pregnancy. They are usually accompanied by a family history. Butterfly spots are yellow-brown or dark brown patches, often symmetrical. It is distributed on the cheeks and cheeks, and can also affect the periorbital area, forehead, upper lip and nose. The edges are generally more obvious. There are relevant cases and detailed information on Medela. It is recommended that you download the Medela APP. It is always good to learn more.