How to choose sunscreen

Tips How To Choose / by admin / December 19, 2019

If you are a long time in the sun, be sure to buy sunscreen. Learn why it should be used and how to select the appropriate tool.

Why do I use sunscreen?

This cosmetic product protects you from two types of harmful sun rays: UVB and UVA. The first cause sunburn, the second - no, but both types make the skin less elastic, activates the aging process and increase the risk of skin cancer.

And all creams protect the same?

No, the degree of protection depends on the value of a sunscreen factor SPF, which ranges from 2 to 50. The higher the SPF number, the longer it filters the sun's rays, and the longer you can stay in the sun without the risk of sunburn. For example, two filters SPF of about 50% of ultraviolet rays, and SPF 50 - 98%.

Which one to choose?

If you go out under the sun from time to time for no longer than a few minutes, dermatologists adviseHow to choose the right sunscreen for your skin type. Cream with SPF 15. If you are outdoors continuously for a long period of time, choose a cream with an SPF of 30 or higher.

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Also, the degree of protection effect your skin type.

skin type	As tans	SPF value
very light	Quickly burns, sunburn is negligible or non-existent	30–50
bright	Sometimes burns, tan falls	15–30
Central	Minimally burns, sunburn always goes well	6–15
Dark and dark	Burns very rarely or never	2–10

Is not it easier to buy SPF 50 for all skin types, since it is so well protected?

No, because the sunscreen can not be considered 100% safe. Some substances contained in them, can cause skin irritation, rashes and pimples. Other suspected of toxicity and ability to disrupt the hormonal system, although this has not been proven.

The lower the SPF and the number of potentially dangerous substances in the cream, the better.

Do not abuse the protection, if you do not need.

So, creams differ only in the SPF?

No, sunscreen is also characterized by the active ingredients in the composition and are divided into physical and chemical. Chemicals are absorbed into the skin and absorb the sun's rays, and then turning them into thermal energy. Physical create a protective shield on the surface of the skin and reflect UV radiation.

And what better to choose?

Chemical agents do not leave streaks and more resistant to water and sweat. However, in contrast to the physical, they are more dangerous to the skin: may cause allergies and irritation, and their protection begins only 20 minutes after application.

If you have sensitive skin and you do not want to advance to apply the cream before sun exposure, choose natural creams. If we are going to swim, actively exercise, not like greasy consistency and stains on the skin - choose the chemical.

Also note what types of rays protects the selected cream.

And unless he does not protect against all types?

There are creams that protect only from the rays of type B, because of which we sunbathe and be burnt. But since both types of rays increases the risk of cancer and accelerated aging of the skin, dermatologists adviseUVA & UVB. take creams with both types of protection. However, you can not measure how effective the cream protects against UVA-rays, so the mere mention of such protection will be enough.

If I swim, the cream does not wash off?

Be sure to wash off, especially if it is a physical cream. Therefore, choose a cream labeled "waterproof" or water resistant, and pay attention to the specified time of protection. Update cream after this period, regardless of whether or not you bathed.

If the cream remains, you can use it for the next year?

The cream can be used until it expires shelf life. Do not leave it exposed to direct sunlight and do not store it in a warm place, then it can be used in a year.

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