5 Ways to Protect Your Skin Without Chemical Sunscreen

Australia has the highest rate of skin cancer in the world. Sun protection isn't optional — it's essential. But protecting your skin doesn't have to mean harming our reefs. Here are five practical strategies that keep you safe and our oceans clean.

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1. Wear UPF-rated clothing

UPF (Ultraviolet Protection Factor) clothing blocks 97.5% or more of UV radiation. A long-sleeve UPF 50+ rash guard at the beach provides better protection than sunscreen alone — and nothing washes off into the water. Look for lightweight, breathable fabrics designed for Australian conditions.

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2. Seek shade during peak UV hours

UV radiation is strongest between 10am and 2pm (11am–3pm during daylight saving). Planning outdoor activities outside these hours dramatically reduces your UV exposure. When you are out during peak hours, use natural shade, beach umbrellas, or pop-up shelters.

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3. Switch to mineral-based sunscreen

For exposed skin that clothing can't cover (face, hands, feet), use a mineral sunscreen with non-nano zinc oxide or titanium dioxide. These ingredients sit on top of your skin and physically reflect UV rays rather than being absorbed. They're far less harmful to marine life than chemical alternatives. See our full reef-safe sunscreen guide.

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4. Invest in quality sun accessories

A broad-brimmed hat protects your face, ears, and neck — areas most vulnerable to skin cancer. UV-blocking sunglasses protect your eyes from cataracts and macular degeneration. These accessories reduce the skin area that needs sunscreen coverage.

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5. Rinse or towel off before swimming

If you've applied sunscreen, a quick freshwater rinse or towel-off before entering the ocean removes excess product that would otherwise wash directly into the water. It's a simple habit that makes a real difference, especially at popular swimming spots. Learn more about how sunscreen enters our waterways.

The bottom line

Sun protection and reef protection aren't in conflict. By combining physical barriers (clothing, shade, hats) with reef-safe mineral sunscreen for exposed skin, you get better UV protection and keep harmful chemicals out of our waterways. It's a win-win that every Australian can adopt.