Topline revenues for all salon industry services (hair, skin, nails) plus salon retail grew only 1.8% to $64.3 billion, according to the newest Professional Salon Industry Haircare Study from Professional Consultants & Resources (PCR), a Plano, TX-based salon industry consultancy. PCR reports that approximately 257,000 salons and barbershops in the US used or sold professional hair care products. That count declined minimally, according to PCR, as the closure of traditional, commission-base...