General practice·General practice
New mole appearance
Informed by recognized medical guidance
Overview
A new mole is a spot on your skin that appears for the first time. Moles are clusters of pigment cells (melanocytes) that give color to your skin. Most new moles in adults are normal and harmless, but it is important to watch them for changes.
Key facts
- Most new moles are harmless and do not need treatment.
- Moles can appear at any age, but they are most common in childhood and young adulthood.
- The ABCDE rule helps spot changes that may need checking: Asymmetry, Border irregularity, Color changes, Diameter larger than a pencil eraser, Evolving shape or size.
Yes, it is very common to get new moles, especially in children and young adults. Adults can also get new moles, but less often.
Anyone can get a new mole, but they are more common in people with fair skin, many existing moles, or a family history of moles. They often appear during sun exposure or hormone changes (like pregnancy).