As news reaches us that all Estee Lauder Companies brands (which include Estee Lauder, M.A.C., Bobbi Brown, and Clinique) have stopped any hands-on contact with customer faces at beauty counters, and with other brands expected to swiftly follow suit (if they haven’t already) we thought it was a good time to look at best practice for our own use of make-up brushes as we all look to avoid helping to spread coronavirus.