A mole is an unwanted skin growth. It usually looks like a flat or raised bump that’s the color of your skin or darker. Most people get moles as a teenager or adult. Some moles are present at birth.

A nevus sebaceous is a mole patch that is salmon or yellow-colored and most often appears on your scalp, neck, and face. They are less common on your arms, legs, and trunk. Sebaceous nevi usually ...