Tag: skin damage

We need the Sun…

…but we must safeguard our skin from its rays as well. What is the most effective way to protect ourselves and what can be done if the UV rays have already caused skin damage. Our relationship to the sun is ambivalent. We love it because it warms us, brightens our mood and gives our complexion a beautiful color. On the other hand, every sunburn increases the risk of skin cancer. So, here’s a little test to see how well you know how to deal with the sun. Did you know? The sun protection factor (SPF) multiplied by the skin’s own protection time indicates the amount of time one can be in the sun without any skin damage being caused. For example: SPF 30 at 10 minutes self-protection time, i.e. 30 x 10, results in 300 sun minutes with regular reapplication of sunscreen. However, dermatologists recommend moving into the shade after two thirds of the maximum time. Self-protection is the period of time during which the skin can protect itself from the sun. Depending on the skin type, this ranges between 5 and 15 minutes in our latitudes. If a sunscreen product is used, it can be extended according to the SPF. The amount of product necessary to provide adequate protection is more than you may think: About two milliliters are needed per square centimeter of skin, which corresponds to three tablespoons for the whole body. “Sun terraces” such as the forehead, nose, ears, neck, shoulders, décolleté and the arch of the foot usually need more. Sun cream should be applied every two hours. This is the only way to maintain the level of protection, as sweat, water and sand tend to remove the UV filters. It’s a common misconception, however, that that this prolongs the protective effect. Sun protection filters are distinguished by two operating principles: Mineral UV filters lie on the skin and reflect sunlight like small mirrors. They consist of natural, white pigments such as titanium dioxide and zinc oxide. Chemical UV filters penetrate the outer layer of the epidermis and absorb the rays. Benzone, trisiloxane or drometrizole, for example, are listed on the packaging. The UV rays have different wavelengths. While short-wave UV-B rays cause sunburn, long-wave UV-A contributes to skin ageing. The indicated sun protection factor (SPF) refers only to UV-B. For this reason, it’s advisable to look for the UV-A seal on the packaging. How does the expert protect herself?… weiterlesen

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