A Cornwall soap manufacturer that’s steadily grown from selling its wares at farmers’ markets to fulfilling hundreds of orders each week is preparing to expand internationally in 2021, pushing into the U.S. and expanding its reach in Europe. Ground Soap was launched more than a decade ago with an eye to filling a perceived void for natural skin-care products left by some larger cosmetics companies as they branched into new products. Glenn Forrester, who co-founded Ground Soap with Angela Youngs, concedes that he didn’t foresee the full market potential in the early days of the business....