Face masks are expanding beyond luxury positioning and solidifying their place in consumers’ skin care routines, driven by the rise of K-beauty. But this shift must keep up with broader industry trends, especially environmental sustainability, as personal care companies make ecological solutions for the surging skin care product.Personal Care Insights speaks to Peter Kerkhofs, market product manager and head of product management at Constantia Flexibles, about the company’s solutions adhering to the increasing interest in face masks.