13 Thus, while these agents are not inert as was previously assumed, they are still safe, stable, non-toxic, and highly efficient sunscreens.13 Titanium dioxide offers a high level of protection against both UVA and UVB radiation, and scientists report that “products containing microfine ...
Sunscreens are almost always labelled with an SPF value. It tells you the sunscreen’s ability to protect you from erythemal UV – the type of UV that causes redness and burning. The higher the SPF, the higher the protection against erythemal UV. Erythemal UV is mostly UVB, but shorter wav...
There are two key facets of UV production that cause zinc to provide better protection than avobenzone. The first is UV spectrum coverage and the second is photostability. These two characteristics of sunscreen speak to how much UV protection is provided and for how long. The FDA monograph state...
Top Sunscreens 2024, Part 2: European Sunscreens 15 thoughts on “Why Has the FDA banned Antibacterial Soap?” Heidi 9 September 2016 at 12:43 pm Thank you for writing about this! I always knew the All Things Anti-Bac craze was a little overboard, but I didn’t know that the FDA ha...
Analysis of a spinning egg. Credit: Ross Cross. ©2018 European Physical Society If a hard-boiled egg is spun fast enough on a table, it will slowly stand upright as it continues to spin. Although the spinning egg rises due to the force of friction between the egg and the table, the...