Many factors may influence the development of skin cancer, including:
SPF (Sun Protection Factor) indicates the amount of time you can spend in the sun without burning. A sunscreen with an SPF 30 or higher is a good choice for most everyone. Apply it 30 minutes before going outside, spreading it evenly over all exposed parts of your body. Follow product directions for reapplication.
You can take action to reduce your risks of developing skin cancer. Banner MD Anderson suggests: