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Home Beauty Skin Care 10 things you need to know about sunscreens

10 things you need to know about sunscreens

The average shelf life of sunscreen creams is about 2-3 years if the box is not opened. But they need to be consumed within 9-12 months after opening.

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Sunscreen cream should be applied to the skin at least 15 minutes before going out in the sun. If it is to be always in sunny environment afterwards, it should be repeated every 2 hours and every 4 hours if it is to be indoors. In the case of sweating and swimming, the skin should be renewed after drying without waiting for the hour.

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If there are no sunscreen factors in it, using a colored cream alone will not protect your skin from the sun. Therefore, when choosing your makeup, you should make sure that it contains at least SPF 15.

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Lips, especially the lower lip, are one of the areas that suffer the most from the accumulating effects of the sun and where skin cancers are frequently settled. Therefore, it is very important to protect the lips with a special sunscreen in the form of balm or stick, which contains at least SPF 30 protection factors.


Sun rays can pass through the windows of buildings and cars. Don't forget to use your creams, even if you're at home and in the office all day.

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Especially those with oily skin should prefer sunscreens in fluid forms or gel form, and those with dry skin should prefer sunscreens in the form of cream. If you complain about skin blemishes, you can also benefit from the concealer feature by opting for a sunscreen in colored texture.

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According to researches, SPF 15 protects our skin by 93 percent in the sun's rays, SPF 30 protects by 97 percent and SPF 50 by 98 percent. Sunscreen creams are as important as the SPF factor, which protects them from both UVB and UVA rays.

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Sunscreens are divided into two according to the sun protection feature: physical and chemical preservatives. There are titanium dioxide and zinc oxide in physical preservatives and various organic chemicals in chemical preservatives. Physical preservatives should be preferred in those with allergic bodies, pregnant women, babies and children.

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If there are care products, moisturizers or various drugs that we use daily, we must first apply these creams to our skin. Sunscreen creams should be applied 15 minutes before last going out, waiting at least 5 minutes between them and other creams.

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Vitamin D is an important vitamin for our body. It is enough to use cream from 10 a.m. to 5 p.m. to avoid the harmful effects of the sun. Staying in the sun for about 15 minutes outside of these hours is enough for vitamin D levels.

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