Get to Know The Nuances of the Sunscreen

A cream is needed to protect the skin from harmful sun radiation. The sun is a source of ultraviolet radiation. There are 2 types of ultraviolet rays: ultraviolet A (UVA) and ultraviolet B (UVB) rays. Both can cause sunburn, damage, and aging skin, and skin cancer.

What is SPF?

SPF stands for sun protection factor. Sun protection factor, its value indicates the duration of this protection itself. Accordingly, the higher the indicator, the longer you can be on the beach without the risk of turning into a fully burned person. SPF is cool, but by itself, it only protects against type B rays, which cause visible redness, burns and the development of skin cancer. And the most insidious ones are UVA rays, if there is no additional protection from them, they work unnoticed. They penetrate the clouds, glass, reflect off the walls. It is the type A rays that are responsible for aging, pigmentation and, like UVB, the development of melanoma.

Which SPF to choose?

In order to understand what degree of protection you need, pay attention to the following factors.

The color of your skin – white-skinned people with light eyes and hair should pay attention to products with maximum protection.

Season – in winter, SPF 15 is enough but if the mood is skiing, please defend yourself properly: the snow reflects the sun’s rays, which, together with the wind, imperceptibly turn your face into a dry red mask.

Time spent in the sun if you spend the summer in the city and on the street are at least 2 hours, SPF 30 should be enough for you.

The presence of age spots and freckles – if they are always with you, do not let them multiply with SPF 30 or 50.

The amount of applied product – Usually SPF 50 protection is only 1% more powerful than SPF 30. But this is true only if the cream is applied in a thick layer – 2 mg per 1 sq. cm of skin. So that, a thin layer of SPF 50 still protects better than the same layer of SPF 30.

The difference between the sunscreens

There are two types of sunscreens. There are products with mineral and chemical filters. Both types of filters have advantages and disadvantages. Mineral – there are only two of them – zinc oxide and titanium dioxide, almost do not penetrate the skin, but create a screen on its surface, which mainly reflects the sun’s rays, and absorbs only a small part. The main disadvantage of such filters is instability, the protective layer is easy to wipe off by touching the hand, dissolves with droplets of sweat and sebum. In addition, physical filters decently whiten the face and are not always friendly with makeup.

Chemical filters are more reliable, they absorb UV rays and convert them into heat, which is immediately gone. They are not so easy to wipe off the skin, and they do not whiten the face. But they also have disadvantages: chemical filters, which were discovered a long time ago, can increase the sensitivity of the skin in people with skin diseases.

Most people only apply 25-50% of the required amount of sunscreen. In fact, in order to completely cover the entire body from head to toe, an adult needs a small glass of cream – about 30 ml. And don’t forget the lips. Skin cancer can also affect this delicate part. If you are looking for the best sunscreen, look no more, it’s all available on Pestana website.

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