Once considered a fashion accessory on the face, moles used to be synonymous with “elegance” – after all, everyone is familiar with Marilyn Monroe’s iconic beauty mark on her face. However, the reality is that not all moles are innocent and some do require medical intervention. Not all moles are dangerous, but occasionally an assessment from a medical professional is warranted. Knowing how to tell a harmless mole apart from a cancerous one is especially essential. Whether you have a worrisome mole yourself or you simply want to learn more about nevus syndrome, please keep reading to learn how to identify the key distinguishing characteristics of both benign and dysplastic moles.