Parasols are not shaded and sunlighty dermatitis is hard to prevent. Some readers who think that their sun protection measures are doing very well still have solar dermatitis. What is going on here?
The longer the exposure to sunlight, the more severe the reactions of allergies, and the itching of the skin will last 24 hours to 48 hours or even longer. To prevent sunburn dermatitis, parasols are essential sunscreen “weapons,†but if they are not selected or are inappropriate, they are counterproductive.
Picking a parasol A look at the shadow canopy on the ground is the key to measuring UV protection. Cotton, silk, and nylon fabrics are not as good as polyester. Umbrella fabrics should be selected with the best fabrics and satin fabrics, followed by twills and flats; the darker the fabric, the better. Umbrella should not be small.
Experts suggest that when picking an umbrella, it may be better to open the umbrella to see the shadow on the ground. The color of the shadow is better. One of the parasols available on the market is coated with silver glue on the surface to block UV rays. Silver glue
Although the protective effect of the surface is good, it is easy to become black after being exposed to sunlight. In fact, the silver glue coating does not affect the sunscreen effect inside or outside. It is best to choose silver glue inside, so it is not easy to fall off.
Cheap Moses Umbrellas Do Not Use Umbrellas
Many readers often hear businesses introduce that parasols are resistant to UV radiation. The price is only different from the brand. Does this make sense? According to experts, a qualified UV umbrella, even with the most common fabrics, costs about 20 yuan. Many cheap umbrellas can only block some of the sun, let alone prevent UV rays. According to the international standards in the "Evaluation of Textiles against UV-rays", when the UPF (Ultraviolet Protection Factor) value is greater than 30 and the transmittance is less than 5%, it can be referred to as "anti-UV product".
Rainwater has a corrosive effect on the sunscreen coating. In order to maintain the sunscreen performance of the sunshades, it is best not to use the umbrellas to prevent rain. If the umbrella surface is dirty, you can use a soft brushing tool to clean the water gently, but you can't wash it by hand. The frequency of cleaning should not be too frequent, otherwise it will affect the sunscreen effect.
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