Le Prunier is reaping long-term gains. The brand, founded pre-pandemic by Elaine, Allison and Jacqueline Taylor and born out of their family plum farm near Sacramento, Calif., has turned one-time virality after a single Chrissy Teigen post into a diversified business with an eye to new categories. Case in point, the brand’s latest launch, Plum Spritz Dual Phase Barrier Mist, launches on its website Wednesday for $48. The mist includes plum beauty juice, plum beauty oil, hyaluronic acid and natural moisturizing factors. “We don’t just operate as a brand, we also operate as an ingredient house, and that’s our defining factor,” Jacqueline Taylor said. “We’ve shaped it around these ingredients that come from the farm, and then that has really helped to define and shape each and every formula.” Related Articles The brand’s hero product, its Plum Beauty Oil, is also the brand’s hero ingredient across top sellers, including its Plumscreen sun screen and the brand’s cleansing oil.…