Do you know why you should protect yourself from the sun even in rainy days?

Do you know why you should protect yourself from the sun even in rainy days? Whether it is sunny or rainy all year round, it is essential to protect the skin from strong sunlight.

The sun emits ultraviolet rays, which are divided into UVA, UVB and UVC according to the wavelength of light. It is mainly the long-term ultraviolet rays in the sun that make us tan and burn our skin, that is, UVA and UVB. Everyone calls ultraviolet light in other stock bands unimportant light, because they will not cause great confusion to people's lives.

UVA has a strong penetrating power, and more than 98% can reach the earth's surface through the atmosphere. It is a part of sunlight, which is specially used to tan your skin. It can destroy the subcutaneous tissue of the skin, thus causing the skin to be tanned, sunburned and brittle. Among all the kinetic energy of ultraviolet rays, UVA is 15 times that of UVB, and it is also the primary cause of sunburn and even skin cancer.

For UVB, it is very soft and most of it will be absorbed by the atmosphere. Proper direct exposure will promote the excretion of minerals and the production of vitamin D, so there will be reasons for more sun exposure, but too much direct exposure will tan the skin or make the skin swell and fall off. Compared with UVB protection, it is more important that UVA is 14 times of UVB protection, so delaying aging and preventing skin embrittlement are far more critical than sunscreen black.

Sunscreen refers to skin care products added with a sunscreen that can isolate or absorb ultraviolet rays and prevent the skin from being tanned and sunburned. Nowadays, sunscreen on the market generally works according to two systems of light refraction and absorption. Generally, inorganic compounds have the function of reflecting surface, while organic compounds have the function of absorbing. Therefore, according to the differences in the basic principles of sun protection, sun protection is generally divided into physical sun protection and chemical sun protection.

Physical sun protection: The molecular particles of this sunscreen are blocky. When applied to the face, it reflects sunlight like a bathroom mirror to achieve the purpose of sun protection. Both titanium dioxide and active zinc oxide belong to physical sunscreen components. They can produce a protective film on the skin to prevent ultraviolet rays from penetrating the skin surface. Both of them can give comprehensive UVB safety protection, and active zinc oxide can better block UVA.

Chemical sun protection: it is to use ingredients to protect the sun. This sunscreen is based on the basic principle of absorption. It is a translucent chemical substance, which can absorb ultraviolet rays and convert them into molecular structure vibration energy or heat to achieve the purpose of sun protection.

This protein is necessary to maintain smooth skin and physical and mental health. When choosing a sunscreen, you can make sure that your sunscreen contains silica, because it is good for your skin.

In summer, the sun is more obvious, and most of us will attach great importance to sun protection. As we all know, in rainy days or in winter, people often neglect sun protection. However, what everyone needs to know from the above is that ultraviolet rays in the sun are produced all the time, especially UVA, which is extremely harmful, so skin protection measures should be taken anyway.

I look forward to your action and take the initiative to do a good job in sun protection. You don't have to hurt your skin, especially ultraviolet rays. It is difficult for your skin to return to normal, even if it can be repaired, it will take a long time. So, even if you go out on rainy days, remember to wear sunscreen!