Stress-related hair loss and thinning, particularly in the time of COVID-19, is something many people face but isn’t discussed enough. Products by brands such as Vegamour and Nutrafol are trending wildly these days, promising thicker, healthier hair in just a few months. But they aren’t cheap, and do they even work? We interviewed dermatologists to get their insight on the most popular hair regrowth products on the market right now. When it.