Sunscreen that includes zinc oxide, a common ingredient, loses much of its effectiveness and becomes toxic after two hours of exposure to ultraviolet radiation, according to a collaboration that included Oregon State University ...
Materials Science
Oct 14, 2021
3
4088
Scientists have found that sunscreen from bathers releases significant quantities of polluting TiO2 (titanium dioxide) into the sea. This has the potential to harm marine life. This work, which comes from research on beaches ...
Environment
Aug 17, 2018
1
52
(Phys.org) -- As vacationers prepare to spend time outdoors this summer, many of them will pack plenty of sunscreen in hopes it will protect their bodies from overexposure, and possibly from skin cancer. But researchers at ...
Nanomaterials
May 8, 2012
10
0
Zinc oxide would be the perfect sunscreen ingredient if the resulting product didn't look quite so silly. Thick, white and pasty, it was once seen mostly on lifeguards, surfers and others who needed serious sun protection.
Bio & Medicine
Jul 11, 2012
2
1
Researchers at Yale have developed a sunscreen that doesn't penetrate the skin, eliminating serious health concerns associated with commercial sunscreens.
Bio & Medicine
Sep 29, 2015
1
140
(PhysOrg.com) -- The year is 2065. Nearly two-thirds of Earth's ozone is gone -- not just over the poles, but everywhere. The infamous ozone hole over Antarctica, first discovered in the 1980s, is a year-round fixture, with ...
Earth Sciences
Mar 19, 2009
7
0
(PhysOrg.com) -- Experts at the University of Glasgow have discovered how plants know when to make their own sunscreen to protect themselves from the harmful rays of the sun. Scientists have speculated for decades that plants ...
Cell & Microbiology
Apr 1, 2011
10
3
(Phys.org)—Research by scientists at the University of Bath is challenging claims that nanoparticles in medicated and cosmetic creams are able to transport and deliver active ingredients deep inside the skin.
Bio & Medicine
Oct 1, 2012
5
0
Drive through the University of Tennessee in Knoxville on a sunny day, and you may see a man on the side of the road pruning the English ivy.
Nanomaterials
Aug 3, 2010
0
0
Nanoparticles, engineered materials about a billionth of a meter in size, are around us every day. Although they are tiny, they can benefit human health, as in some innovative early cancer treatments, but they can also interfere ...
Optics & Photonics
Sep 1, 2014
0
0
