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What’s on your sunscreen bottle?

by Kanvas Beauty January 28, 2022 2 min read

What’s on your sunscreen bottle?

What’s on your sunscreen bottle?

The expiry: Old SPF isn’t harmful per se, but sunscreen past its expiry date may not work as effectively to protect your skin from harmful UV rays. Over time, UV filters degrade so if anything, use old sunscreen as a moisturizer rather than for sun protection. And if we’re talking a years+ past the expiry, it’s time to turf it!

Broad spectrum means the sunscreen protects you from UVA and UVB rays, both of these can cause skin cancer. we recommend only going for broad spectrum spf. 

The SPF level: SPF protects from UVB rays. For the Australian sun, you’ll want to see a factor of at least 30. SPF30 shields your skin from 96.7% of UVB rays. Meanwhile, SPF50 protects your skin from 98% of UVB rays. Not a whole lot more protection, but hey, take it if you have it!

Those + signs: PA+ (sometimes with more + signs) denote the level of UVA protection. As a rough guide, the more + signs, the more protection. You’ll want to see your sunscreen bottle to have both SPF and PA+ on it. This means your sunscreen offers broadspectrum protection, which is a must for our sun.

No sunscreen is 100% water proof, this regulated term means more of the sunscreen stays on your body and less washes off into the water. reapplication is still important to stay sun-safe.

Additional information about your sunscreen!

What’s the difference between UVA and UVB rays?

UVA: UVA rays are the ones behind premature ageing, wrinkles and hyperpigmentation. Fun!

UVB: UVB rays are said to be the cause of most skin cancers, and they are also responsible for sun burns. Even worse.

Did you know there are also UVC rays? Luckily, they are neutralized by the ozone layer. Just be aware however, that they can come from man-made UV sources like tanning beds, UV bulbs (i.e. the ones at the nail salon or the ones that kill germs) and welding torches.

 

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