Business Laundry Paper Startup: Student’s Drugstore Triumph Worth Millions by Marcus Liu - Business Editor February 8, 2026 by Marcus Liu - Business Editor February 8, 2026 In 2021, during her studies at the Textile Faculty of the University of Liberec, Petra Doubková entered a competition with a project for a detergent that would be a gentler … 0 FacebookTwitterPinterestEmail