Moles are small, coloured spots on the skin. Most people have them and they're usually nothing to worry about unless they change size, shape or colour.
Most harmless moles are round or oval-shaped, with a smooth edge.
They can be flat or raised and may feel smooth or rough.
Sometimes they have hair growing from them.
They are usually darker on brown and black skin.
It's normal for:
Some moles can be a sign of melanoma, a type of skin cancer.
Melanomas may change colour over time or have more than 2 colours.
They often have uneven edges.
Sometimes they may bleed, itch, or be crusty or raised.
Finding a melanoma as early as possible can mean it's easier to treat
Moles only need treating if they're a sign of melanoma.
If the GP thinks your mole is melanoma, you'll be referred to a specialist in hospital. You should get an appointment within 2 weeks.
The main treatment for melanoma is surgery to remove the mole.
Most moles are harmless. Harmless moles are not usually treated on the NHS.
You can pay a private clinic to remove a mole, but it may be expensive.
UV light from the sun can increase the chance of a mole becoming cancerous. If you have lots of moles, you need to be extra careful in the sun.
It's important to check your moles regularly for any changes.
There are some things you can do to protect your moles from sun damage, especially during hot weather.
stay in the shade between 11am and 3pm, when sunlight is strongest
cover skin with clothes – wear a hat and sunglasses if you have moles on your face
regularly apply a high-factor sunscreen (minimum SPF30) and apply it again after swimming
do not use sunlamps or sunbeds – they use UV light
Find out more about sunscreen and sun safety