Should Sunblock Be Used Indoors?


The same ultraviolet (UV) rays from the sun that are harmful outdoors pass right through windows into offices, homes and cars. Experts say this is a serious contributor to people’s daily accumulation of indoor ultraviolet exposure leading to skin cancer and photo aging.

“If you’re sitting next to a window with sunlight streaming in, you’re at risk for UV damage to your skin and eyes,” said Darrell Smith, executive director of the International Window Film Association (IWFA), a nonprofit group representing the many benefits of window film for consumers, on behalf of leading manufacturers, distributors and dealers. “Window film brings automatic and continuous protection indoors without the need to take action in the form of sunblock,” added Smith.

beach and palm treeResidential and commercial window films can also reduce glare by more than half while allowing 30 to 80 percent of visible light in and blocking up to 99.9 percent of the sun’s UV rays. Window film protects from the dangers of the sun while letting in natural light, safely.

Many dermatologists suggest using sunblock inside the home, but knowing people often forget this extra step, window film can provide 24/7 protection indoors and the Skin Cancer Foundation recommends it.

Dermatologists note a wide body of evidence showing that cumulative, ongoing exposure to UV rays leads to skin aging and cancer, according to a report in Clinical Interventions In Aging. In addition, automobiles, side windows and sunroofs may also let in harmful rays and people who drive frequently often have pronounced sun damage and skin cancer on their left side as documented in the The New England Journal of Medicine.

Reprinted with permission from RISMedia. ©2014. All rights reserved.

We recently added window film to our new office windows.  My office has floor to ceiling windows on two sides and it was very hot and the AC had a hard time keeping up.  The new window film has reduced the glare and considerably reduced the heat from the east facing windows.  Now I can enjoy looking outside while working but don’t have to worry about the huge AC bill!  Didn’t think about the risk of too much sun while inside until I read this article.


I know a lot of you are thinking, “Why publish an article about sunblock in the middle of winter!”  But remember, a lot of people come to Naples in the winter and want to look as tanned as possible when they go back so they don’t use sunblock.  However, our sun is much hotter than the sun they are used to up north even in the summertime and they are doing great damage to their skin.  Don’t forget about glare off the snow also when you play outside, sunblock is important then also!

Remember it is always toasty in Naples and you deserve your piece of Naples sunshine but remember to wear the sunblock!

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