A doctor who was diagnosed with skin cancer and thought she only had months to live is now urging holiday makers to put on factor 50 and stay out of the midday sun.
Lauren Macdonald says that because of her own medical knowledge, she was "absolutely petrified". She told ITV News how she had burnt abroad when she was younger but never thought it was putting her life at risk:
A special UV scanner can reveal how the sun damages our skin, which often goes undetected. The pictures below illustrate its hidden impact:
Meanwhile, Lauren's cancer is now Stage 4, but she's determined to spread the message that everyone needs to be using the correct protection this summer: