Magazine article Work & Family Life

Heading South? Pack a Blue Shirt

Magazine article Work & Family Life

Heading South? Pack a Blue Shirt

Article excerpt

If you're planning a vacation in the sun, two studies reported in The Journal of the American Academy of Dermatology may be of interest.

Researchers at New York University Medical School looked for ways to enhance a cotton shirt's protection against UV rays. Here's what they found:

* Repeated washings of a white shirt raised its UV protection by about 50 percent as the cloth shrank.

* A detergent additive called "tinosorb" increased a fabric's effectiveness as a barrier to UV light by 400 percent.

* A huge gain of more than 500 percent came from dying the shirt blue. Different colors absorb light differently and a blue t-shirt is apparently best when it comes to filtering out harmful rays.

* Another study by researchers at the University of Texas Medical Branch in Galveston looked at why people who used sunblock still got burned. …

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