Sheet masks are a popular way to hydrate the skin, but they’re definitely not one size fits all. “Most of the time, there’s always something off about how a sheet mask fits but the perfect fit is only ...

In a recent article published in the journal Physics of Fluids, researchers explored the influence of perimeter leakage on the effectiveness of face masks. Study: Perimeter leakage of face masks and ...

In a new study, researchers used principal component analysis along with fluid dynamics simulation models to show the crucial importance of proper fit for all types of masks and how face shape ...