Barcelona, scientists discovered the blue cotton fabric provides the best protection against ultraviolet rays from the sun. While the yellow cotton fabric provides the worst protection against ultraviolet rays.Quoted from GeniusBeauty, Thursday (8/26/2010) Scientists from the Polytechnic University of Catalonia have discovered what color is best to protect the body from ultraviolet light, ie blue.
In that study, researchers conducted an analysis of the nature of the protection of the three primary colors, namely red, blue and yellow. This study used a software program and then perform analysis to determine how certain colors of cotton cloth can absorb ultraviolet light.
The color of cloth or clothing that is used is one important factor in determining how well the clothing can protect the body from ultraviolet radiation. This is usually determined based on the wavelength that can be absorbed by the color.
If the skin continuously exposed to ultraviolet rays from the sun, then in a certain period of time can cause effects on the skin of one of them is skin burns.
This is due to ultraviolet rays can kill cells that function to produce new skin cells. To correct this condition, the blood vessels going to work harder so that makes the skin becomes flushed.
For that the scientists recommend to the community for more frequent use of clothing that has the color of 'sun-proof' the color blue, especially if the weather is hot.
source: (http://www.detikhealth.com/read/2010/08/26/154615/1428679/766/warna-biru-paling-baik-lindungi-tubuh-dari-ultraviolet)