LED face masks are a fast-growing skincare trend, but do they work? A physician reviews the clinical evidence, regulatory gaps and what to look for before you buy.

Red light therapy has long been used to reduce inflammation and improve skin texture, which is why LED devices are having a moment—you can reap some of the benefits without booking a professional ...

As high-NA EUV approaches, mask makers need new metrics, model-based checks, and curvilinear-native data flows to keep turn ...