Three shots to answer the summer what color sunscreen it
Hot weather, how to wear clothes? There are online that summer wear light-colored clothes cool, and dark clothes heat fast - is this true? Long red light can absorb a large number of ultraviolet light in the sun, sunscreen effect! Dark clothes fast heat absorption, white clothes less heat absorption, UV reflection, so a short period of time, more cool. Although light-colored clothing can reflect part of the ultraviolet light, its ability to absorb ultraviolet light is not good. Because the red light wavelength is longer, can absorb a large number of ultraviolet rays in the sun, the best sun protection. Therefore, if the long-term in the sun, wear red clothes more cool. UV protection clothes not only depends on the color, but also with the material. The SPF value (SPF) of cotton clothes is 15 ~ 40; the SPF of light colored polyester clothes is 7 ~ 10; the SPF of light colored knitted clothes is 4 ~ 9; the bare arm skin is the best yarn Quality shawl and sleeve protection. So, if you want to prevent UV, it is best to wear dark cotton clothes. In addition the summer is not necessarily the less you wear sunstroke In the summer, many men like to play shirtless, feel cool. But this is a misunderstanding, when the temperature close to or more than the body temperature (36.8 ℃ or so), the shirtless is not only not cool, but hotter. "Because the shirtless can only increase the skin's radiation and conduct heat when the temperature of the skin is higher than the ambient temperature." Relatively speaking, cotton breathability and water absorption are good. "Silk, cotton, linen and other natural fibers, are good summer clothing." Buy cotton, welcome to buy three guns ! Printed Fabric Online,Cotton Printed Fabric,3D Printed Fabric,Digitally Printed Fabric Shaoxing City Laiteng Imp.&Exp Co.,Ltd , https://www.laiteng-tex.com
