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Skin cancer is the most common cancer diagnosed in Australia.

It is estimated that more than 18,200 people were diagnosed with melanoma in 2023. The average age at diagnosis is 65 years old. Melanoma is the third most commonly diagnosed cancer in Australia, and it is estimated that one in 17 people will be diagnosed by the time they are 85.

Australia has one of the highest rates of skin cancer in the world.

The sun's ultraviolet (UV) radiation is the major cause of skin cancer. UV damage also causes sunburn, tanning, premature ageing and eye damage. The good news is you can prevent damage – and skin cancer – by being SunSmart.

Sun protection is recommended whenever UV levels reach 3 or higher. Below 3, sun protection isn't recommended unless you are outdoors for extended periods or near reflective surfaces, like snow. 

Australians shouldn't expose themselves to potentially harmful UV to get more vitamin D. Evidence suggests that prolonged sun exposure doesn't cause vitamin D levels to to increase further but it does increase your risk of developing skin cancer. When UV levels are 3 or higher, most Australians get enough vitamin D with just a few minutes of sun exposure while doing everyday tasks. 

Unlike the sun's heat and light, we can't see or feel UV radiation, so check the UV for your location on the free SunSmart app or on the Bureau of Meteorology website.

For the best protection, use all five SunSmart steps:

1. Slip on covering clothing

Choose clothing that covers as much skin as possible, for example, collared shirts with long sleeves. Some clothing may carry an ultraviolet protection factor (UPF), which is a guarantee of how much UV protection a fabric provides. 

2. Slop on SPF 30 (or higher) broad-spectrum, water-resistant sunscreen

Apply a generous amount of sunscreen to clean, dry skin at least 20 minutes before you go outside. The average-sized adult will need a teaspoon of sunscreen for their head and neck, each limb and the front and back of the body. That's about seven teaspoons (35mL) for a full body application. Reapply sunscreen every two hours or after swimming or excessive sweating.

Remember, sunscreen is not a suit of armour and should be used with other sun protection measures. 

3. Slap on a hat

Choose, a broad-brimmed, legionnaire or bucket style hat which shades your face, nose, neck and ears, which are common sites for skin cancers. Caps and visors do not provide enough protection. 

4. Seek shade

Use trees, built shade structures, or bring your own (such as a sunshade tent)! Shade reduces UV radiation, but it can still reach you via reflection, so make sure you use shade in combination with other sun protection measures. 

5. Slide on some sunglasses

Sunglasses and a broad-brimmed hat worn together can reduce UV radiation exposure to the eyes by up to 98%. Sunglasses should be worn outside during daylight hours. Choose close-fitting wraparound sunglasses that meet the Australian Standard AS/NSZ 1067.

Illustration of slip slop slap seek slide with a long-sleeve top, sunscreen bottle, broad-brimmed hat, umbrella and sunglasses.


Keep an eye on your skin

Check your skin regularly for any new spots or changes in shape, colour or size of existing spots. If you notice anything unusual, see your doctor as soon as possible. Most skin cancer can be successfully treated if it is found early. 

Remember, if you have any concerns or questions, please contact your doctor.

Learn more about how to be SunSmart