SPF30 v SPF50 and How Much Sunscreen Is Enough

Sunscreen DOES NOT block 100% of UV rays. Due to Australia’s extreme UV and our outdoor lifestyle, we recommend using high SPF sunscreen.  Sunscreen’s labelled SPF30 filter 96.7% of UVB rays and SPF50 filter 98%.  


With a minimum difference between protection and price of the two, the key to achieving the product claims, and giving you and your family the protection needed, is to apply sunscreen according to the manufacturer’s guidelines.   


Some key things to remember: 

1. Sunscreen needs to bind / soak into your skin, so apply it a minimum of 20 minimum before heading outside. If not, it is like painting a wall and then hosing it immediately – it will mostly wash off! 

2. To reach its SPF you need to apply sunscreen generously. A pea-sized amount is NOT enough. When applying, you need to see the sunscreen on your skin – it will soak in.  

3. Sunscreen is temporary, it needs to be reapplied OFTEN. Generously slather on at LEAST every 2 hours AND after being in the water, sweating and towel drying.   


While sunscreen is convenient and reasonably cheap, it is the LEAST reliable sun protection option. Because you can’t see sunscreen, you don’t know if it is still providing protection.  To overcome this problem, we recommend using a sundicators Sunscreen Reminder Sticker to provide a visual, colour-changing prompt.  

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