واقي الشمس وكيفية اختيار النوع المناسب لبشرتك

Sunscreen and how to choose the right type for your skin Read more on the Every Day Medical Information website

Sunscreen is an important essential for every woman in the summer to avoid sun damage to the skin. There is no doubt that you realize the importance of using it, but do you have a problem choosing the right type for you? Here is this article to learn more about sunscreen and the best way to choose it.

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What is sunscreen? Sunblock is a product that contains several ingredients that help block ultraviolet rays from reaching your skin. There are two types of ultraviolet rays (UVA, UVB) that cause skin damage, premature aging, and increase the risk of skin cancer.

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UVB rays are the main cause of sunburn, while UVA rays penetrate deeper into the skin and cause wrinkles and signs of aging. Sunscreens vary in their ability to protect against UVA and UVB rays. What is the Sun Protection Factor (SPF)? SPF is a measure of a sunscreen's ability to protect against UVB rays, with most sunscreens with an SPF of 15 or higher providing excellent protection against UVB.

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So what does SPF 15 mean? If it takes 20 minutes for unprotected skin to develop sunburn, then applying SPF 15 will theoretically multiply that time by 15, which is 5 hours. Put another way, SPF 15 blocks 93% of UVB rays, SPF 30 blocks 97%, and SPF 50 blocks 98%. Clearly, no sunscreen can provide complete protection, and no type, no matter how strong, can last more than two hours without reapplication.

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Steps to choose sunscreen 1- Choose a sun protection factor SPF 15 or higher: The sun protection factor does not represent the number of hours you can spend in the sun without harm, as we explained before, and you must reapply the cream every two hours, even on cloudy days and after swimming or sweating.

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2- Choose broad-spectrum protection: SPF represents protection against UVB rays, so be sure to choose a broad-spectrum sunscreen that also protects you from UVA rays and make sure that the product provides protection for both UVA. UVA protection is very important as this type of rays penetrates the skin deeply and causes wrinkles, in addition to the fact that both types increase the risk of skin cancer. 3- Water-resistant: Of course, all types of sunscreen can be removed with water or even when sweating, as there is no water-resistant sunscreen, but it can be water-resistant, which means that it lasts longer if exposed to water, and of course you will need to reapply this type to your skin every two hours and after swimming or sweating like other types of sunscreen.

Read more on the website Every Day Medical Information



Read more on the website Every Day Medical Information

2- Oily skin People with oily skin and those prone to acne should follow these tips: Avoid products that contain PABA, oxybenzone. Products that contain physical substances and salicylates are gentler and less likely to cause acne. Look for products that are light in composition and dry quickly, such as water-based sunscreens that contain ingredients such as silica, sododecane. Avoid products that contain oily substances and moisturizers, which usually make your face shiny. Choose a broad-spectrum type with a protection factor of SPF 20 or more. Do not rely on cosmetics and makeup to protect you from the sun, even if they contain a percentage of sunscreen, as it is usually not enough to protect your skin. 3- Dry skin If you suffer from dry skin, you can benefit from sunscreen that contains a moisturizer. There are many moisturizers used in sunscreens, such as: lanolin, oils, dimethicone, and moisturizing sunscreens are usually in the form of a cream, ointment, or lotion. 4- For white skin, it is preferable to use a sunscreen with an SPF of 30 or higher daily, and to reapply it every two hours.

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5- Dark skin People with dark skin who get a tan and do not burn from the sun may think that they do not need sunscreen, but the truth is that this tan is the result of DNA damage to cells due to exposure to harmful sun rays. Some types of sunscreen, especially those containing titanium, can be annoying as they appear as white deposits. There are newer products that consist of small particles that penetrate the skin and appear natural. Look for a broad-spectrum sunscreen with an SPF of 15 or higher. Benefits of sunscreen Sunscreen acts as a shield that protects you from harmful ultraviolet rays in two ways. Some of them reflect those rays from your body and others absorb the rays before they reach your skin. We have previously talked about the harms of ultraviolet rays. Despite claims that sunscreen is not safe, there is no scientific evidence for this and you can rest assured completely. You must follow the following to get complete protection from the sun: Apply sunscreen. Always go to the shade. Use a hat and sunglasses that protect against ultraviolet rays. The correct way to use sunscreen You should use a generous amount of sunscreen to get the required protection. If you are going to spend a long day at the beach, exercise, or on hot days, it is preferable to use a waterproof sunscreen so that it does not disappear with sweat. Sunscreen should be applied 30 minutes before exposure to the sun, and do not forget that reapplying the cream is very important. It should be applied every two hours and also after swimming or sweating heavily. You should pay attention to applying sunscreen to all parts of the body that will be exposed to the sun, and do not forget to apply it to your hands as well. Misconceptions about sunscreen There is no need for sunscreen when the weather is cloudy or cold. This is absolutely not true, as about 40% of the sun's ultraviolet rays reach the earth on a completely cloudy day, and this false belief leads to sunburn as the person spends a long time outside without protection from the sun. 80% of your skin's sun exposure occurs during childhood so nothing helps now. This information is wrong. Studies have shown that we are exposed to less than 25% by the age of 18 and that men over 40 spend most of their time outside and are the most exposed to the sun.

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