If hair is frequently bleached or dyed with peroxide-based formulas, excess hydrogen peroxide can build up in the follicle. Over time, that oxidative stress may make gray or white hairs more likely to ...

We’re not talking neons, Slim Shady bleach, or anything else funky you might find in Pete Davidson’s vanity. Instead, these are hair dyes uniquely formulated for graying and meant to return you to ...

In the picture, a film dyed with red onion skin extract and dye-sensitised solar cells. The films were placed on top of the solar cells in the study. Researchers at the University of Turku, Finland, ...

Researchers investigated how to use bio-based materials to produce effective UV protection films for solar cells. The study was the first to compare how the properties of different bio-based UV ...