In fact, sunscreen is mainly anti-UV. The ultraviolet light is divided into two types: UVA and UVB. The wavelength of UVB is shorter and the damage is shallower, only reaching the surface of the skin; the wavelength of UVA is 15 times that of UVB! It can penetrate deep into the dermis layer of the skin, not only causing sunburn, redness, and sunburn.
The point is, what is UPF?
In fact, the UPF value is the UV protection factor specified for the clothing sun protection index.
Textiles with a UPF > 40 and a UVA transmittance of <5% can be called "UV-resistant products". The meaning of UPF40 means that the transmitted UV intensity is 1/40 of the original, and the transmittance of UVA is less than 5%. If there is no UPF value on the label, it means that the garment does not have UV resistance at all. .
However, if the UPF is marked as 30+, it can only be said that the clothes have a certain sunscreen function, but it cannot be called a sunscreen suit.
Therefore, a good sunscreen is like a parasol, which can effectively block 95% of the UV rays, and the sunscreen effect is better than any sunscreen. At the same time, it also has the function of lightness, breathability, moisture absorption and quick drying.
What color sunscreen is best?
In terms of color, the darker the color, the higher the UV protection, namely: dark > light
The darker the color of the clothes, the more powerful the absorption of light. Light on white clothes, some are reflected and some are transmitted, so wearing white clothes will feel cooler, but ultraviolet light may be transmitted to the skin. When wearing black clothes, the light is basically absorbed.
The main function of the sun protection clothing is to prevent direct exposure to the sun's ultraviolet rays. The sun protection clothing is the same as the sun umbrella, and the skin is protected from the sun and blackening. At this point, the skin clothing has the same characteristics, but the sun protection index is better than the sun protection. The clothes are low.
Sunscreen clothing is generally divided into three types of colored cotton fabric clothes, such as cyan, red, blue, green and bright colors have the highest isolation rate of ultraviolet rays.
The second type is sunscreen fabric. Sunscreen auxiliaries are added to the fabric. If there is special need to finish the fabric, the so-called thick finishing is to make the fabric more dense.
The third type is special fabrics, such as silver reflective materials.
Skin clothing is like our skin. It has the properties of sunscreen, breathability, perspiration, abrasion resistance and lightness. It is usually made of 100% nylon fabric, with extremely light weight, exceptionally comfortable contact, and good ventilation. Sexual, and has a certain degree of wind resistance, water resistance, and very soft, like a thin layer of skin on the human body.
Xiao Bian feels that skin clothing is an upgraded version of sun protection clothing, skin clothing is more delicate in workmanship, sun protection clothing skin clothing is more high-tech in the choice of materials, performance technology, such as the sunscreen, breathable, row mentioned above Sweat, wear, lightness, etc.
Xiao Bian feels that skin clothing is an upgraded version of sun protection clothing, skin clothing is more delicate in workmanship, sun protection clothing skin clothing is more high-tech in the choice of materials, performance technology, such as the sunscreen, breathable, row mentioned above Sweat, wear, lightness, etc.
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