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Leeds, Grenville & Lanark District Health Unit
Leeds, Grenville & Lanark District Health Unit

Sun Safety - Skin Facts

Did you know that…

  • your skin is the largest organ of the body

  • your skin measures about 1 mm thick when you’re born, and grows to about 2 mm thick by adulthood

  • as we age, skin gradually thins and becomes more sensitive to sun damage.

our skin make up



Your skin has 3 main functions:

  1. Protective – your skin’s main job is to insulate and protect the body against invasion by bacteria and other foreign things. Quick Fact: After a sunburn, the skin breaks down and can increase the risk of infection.

  2. Sensory – the skin can sense 5 different kinds of stimulation: touch, pressure, heat, cold, and pain.

  3. Regulatory – the skin helps to control body temperature by distributing heat through the skin and by preventing dehydration.
Some people believe having a “base tan” will protect their skin from getting a sunburn. This is not true. A tan is the skin’s response to damage from UV radiation. When skin is exposed to the sun, it produces a brown pigment or colouring called Melanin. This colouring actually indicates skin damage and is the skin’s way of trying to block the sun’s damaging rays.



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Leeds, Grenville and Lanark District Health Unit
Leeds, Grenville & Lanark District Health Unit Leeds, Grenville & Lanark District Health Unit