Tuesday, May 11, 2021

Which sunscreen should be bought?

Sunscreen is a protective product that prevents the harmful rays of the sun (commonly called UVR) from reaching your skin by combining various components. UVA from these harmful rays causes sunburns and skin problems such as wrinkles and discoloration, while UVB causes sunburns and invites skin cancer.

SPF, better known as “protection factor in daily life, is a measure of how much sunscreen can protect against UVB rays. For example, if you normally start to burn after 10 minutes of sun exposure, using a sunscreen with 15 protection factors will ideally allow you to stay under the sun for 150 minutes. This is, of course, an approximate estimate depending on the skin type, the intensity of the sun’s rays and the amount of sunscreen used.

Does a very high protection factor mean better protection? Although it seems more reasonable to use a sunscreen with a 60 or 75 protection factor instead of a product with 30 protection factors, this is not exactly what it seems. We see that a sunscreen with 15 protection factors prevents 93% of the UVB rays, 97% of the 30 protection factors, and 98% of the 50 protection factors. This means that a product with 15 protection factors allows 7 out of 100 photons and 3 products with 30 protection factors. In summary, sunscreens with 75 or 100 protection factors give the impression that they offer much more protection than products with 30 protection factors, but they show very low differences in ratio. The most important detail to keep in mind is that no sunscreen will last for more than two hours, no matter how high the degree of sunscreen.

For anyone older than six months, sunscreens are essential and essential not only when sunbathing on the beach or poolside, but at any moment of sun exposure. Even indoors, especially if they are sitting by the glass, are exposed to ultraviolet rays at regular intervals throughout the day. Although glasses generally interfere with UVB rays, they do not provide this filtering for UVA rays.

What kind of sunscreen should I use?

Although the sunscreen you should use is closely related to the intensity of sun exposure you anticipate, it is generally useful to use broad-spectrum sunscreens that provide protection against both UVA and UVB rays.

How should I use sunscreen?

Although choosing the right sunscreen is very important, it will not help much to protect your skin when you do not use it daily and regularly. In this sense, you can follow these steps when using sunscreen:
Apply sunscreen half an hour before sun exposure. Use approximately 2 tablespoons of sunscreen to cover your entire body and be careful not to use less than necessary.

Remember areas of your body that are likely to be missed, such as eartips, feet, and back of the legs. Since sunburn may occur on your lips, use UV-protected lip balm and repeat this application regularly.

Regardless of the durability on the skin, apply sunscreen to your body at least every 2 hours and keep it shorter if you often sweat or get wet.

Note the expiration date on the sunscreen. Such products lose their effectiveness over time.

Use sunscreen every time you are outdoors, not only when it’s hot and sunny. Even on a cloudy day, harmful ultraviolet rays can reach the earth up to 80%, causing damage to your skin despite all the weather conditions.

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