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All about sun

Ask our experts

How much sunscreen do I need to use? Can sunscreen go bad? How do UV filters work? What does sun protection have to do with playing golf? Our experts will answer these questions and more.

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Heat from sunrays equals sunburn. Right?

You might think that when sunrays feel especially hot, they are responsible for the feared sunburn. This is a misconception. Prof. Dr. Bernd Herzog explains why.

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Why is sun protection so important?

In the past, sunscreens were only used to prevent sunburns. We now know so much more about the risks from UV radiation. Sun protection protects much more than just a sunburn.

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Are “beautiful” suntans really healthy?

Who wouldn’t want to come home from vacation rejuvinated and with a nice suntan. But is golden brown skin a sign of health? The answer isn’t that easy. Our expert Myriam explains why.

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How do I know it is a good UV filter?

Not every UV filter is the same. When a UV filter has really good protection, it must be especially effective in both the UVA and UVB range. Besides photostability, combatibility also plays a role.

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Can car windows block UV rays?

Many people think they don’t need sunscreen as soon as they get into their car. Drivers of convertibles aren’t the only ones who have to use sunscreen when enjoying the sun.

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Do sunscreens have an expiry date?

For cheese, milk or sausage, it is obvious. But does sunscreen also have an expiration date? Dr. Myriam Sohn from Global Technical Center Sun Care has the answer.

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What does “Self Protection Time” mean?

When it comes to sun protection, you hear and read again and again about the so-called self-protection time. What this is all about and what the different skin types have to do with it, explains our expert Prof. Dr. Bernd Herzog.