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 ...

Fig. 1. Given (a) the scanned face model of a subject, we develop an optimization-based approach to design (b&c) a PAP mask cushion that fits the face model. (d) The designed mask cushion is ...

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 ...

Face masks have been widely used throughout the COVID-19 pandemic to protect people from catching the virus. Researchers discovered certain double masking combinations and fit modifications offer ...