10 Sun Safety Myths Debunked


When it comes to spending time outdoors having fun in the sun, not many companies promote that concept more than Del Sol. While you’re out there, however, we want everyone to be sun smart, or Sol Smart as we call it, and to protect their skin from any harmful UV rays.

A lot of myths about sun exposure are circling around out there, but we want you to be a step ahead so your adventures under the sun can be safe and healthy.

We’ve picked out 10 new myths that we hear a lot. But one fact to remember is to not let sunburn catch you out, because too much UV from the sun (or sunbeds) causes most cases of skin cancer. This might feel like old news, but rates of melanoma (the most serious type of skin cancer) are still increasing.

By dodging these myths, we can all do our best to protect ourselves when the sun is strong.

Myth 1: ‘The sun is strongest when it’s hottest’

The heat of the sun doesn’t come from its skin-damaging UV rays. The UV rays are always strongest when the sun is highest in the sky, which is between 11 a.m. and 3 p.m. in most regions (but can be different for each geographical location). But, the temperature varies more and tends to be highest slightly later. So, if you want to get out and enjoy the nice weather later in the day when it’s still warm, the risk of burning won’t be as high.

Myth 2: ‘You can only burn in the middle of summer’

The sun can be strong enough to burn in the United States and UK from the start of April through the end of September, even if it doesn’t feel that warm, or it’s a cloudy day. The UV Index can tell you how strong the sun is where you are today – you can find it on weather forecasts and [weather] websites. If the UV index is 3 or above, think about protecting your skin. And, take extra care if you get sunburned easily or have a lighter skin tone.

Myth 3: ‘Sun damage always looks red and peely’

Not necessarily. If your skin’s gone red or pink in the sun, that’s sunburn, and it’s dangerous due to the damage the UV rays cause to DNA inside cells. If your skin goes pink, but then a tan develops that still counts as having burn.

But, you can’t always see the damage. For people with naturally darker skin, it might just feel irritated, tender or itchy rather than your skin changing color.

Myth 4: ‘The odd sunburn doesn’t make much difference’

Getting sunburned doesn’t mean you will definitely develop skin cancer. But, sunburn just once every two years can triple the risk of melanoma. So, if you have had sunburn in the past, it’s a good idea to think about what more you can do to protect your skin next time.

Myth 5: ‘Higher SPF sunscreens are lots better than lower SPF ones’

No sunscreen is 100% effective. There’s some evidence that using sunscreen with SPF15+ reduces the risk of melanoma compared with using no sunscreen or a lower SPF. But, going higher than SPF15 might not offer the protection boost you’d expect.

Researchers have found that as SPF increases, the additional UV that sunscreen can absorb tails off, offering less and less added protection. And research suggests that people using sunscreen with a higher SPF may stay out in the sun longer, increasing their risk of sun damage.

If it’s applied properly, and used in combination with covering up and seeking shade, SPF15 should be enough to protect you wherever you are in the world. And, make sure you look for a star rating of 4 or 5 as well.

This is general guidance only. If your doctor has recommended you use a higher SPF sunscreen because of a specific medical condition, you should follow this advice.

Myth 6: ‘A ‘base tan’ will protect me on vacation’

Some people think a pre-holiday tan or sunbed tans will protect them from burning, but a tan offers very little protection against the sun. Some studies have found that tans only offer protection equivalent to using factor 3 sunscreen. And, tans from sunbeds could be as low as SPF 1.

Myth 7: ‘Putting sunscreen on once is enough’

It’s not. Even if it says once-a-day on the label, all sunscreens should be re-applied regularly. Some products rub, wash or sweat off more easily than others. But, it’s also really easy to miss bits of your body so don’t be shy with it, put plenty on. The best way to use sunscreen is to think of it as the last line of defense for the parts of your body you can’t cover up with clothes.

Myth 8: ‘Sunbeds are a safer way to tan’

This myth is a persistent one. But the evidence is clear, sunbeds cause skin cancer and there’s no such thing as a safe tan. A tan is a sign that your body is trying to repair the damage caused by UV rays. That’s why we want to see more people embracing their natural skin color through our Own Your Tone campaign.

Myth 9: ‘Sunscreen lasts forever’

We’ve probably all turned to that old bottle of sunscreen at the back of the cupboard that’s been there for an unknown number of years. But, most sunscreens expire. Look out for a small open jar icon on the bottle with the number of months the product can be used after opening. And, like most cosmetics, sunscreens should be stored in a cool place and not in direct sunlight.

Fear not though. You don’t need to worry about the cost of replacing expensive sunscreens. When it comes to protection, price doesn’t matter it’s the SPF and star rating that does.

Myth 10: ‘You can’t get sun damage through glass’

Indoors you’re mostly protected from sunburn, but some UV rays can get through glass. So, if you spend lots of time driving or sitting in a conservatory when the sun is strong, then long-term you might be at risk of damage from UVA rays. If you’re stuck by the window, protect your skin with clothes and sunscreen with 4 or more stars.

Read more from the science blog by Cancer Research UK here.

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