Learn the chemical name of bleaching powder, its formula (Ca(OCl)Cl), properties, uses in disinfectants & industry, and how it differs from chlorine.

From everyday sunscreens to tinted offerings to the best for dry skin and more — WWD's 2025 Editor's Choice SPF Awards round up the top SPFs to buy.

Sunscreen is personal, and the one you choose to slather on your face is even more so. Here are 11 options to suit different preferences and budgets.

The anion-deficient layered perovskite Pb2Fe2O5, featuring a polarizable active Pb cation with lone pair electrons and a magnetically active transition metal Fe cation, presents a promising candidate ...