Temu and Shein, two major China-founded e-commerce platforms, announced plans to raise prices for U.S. customers starting April 25 due to rising operating costs linked to new tariffs and the removal of the U.S. “de minimis” customs exemption. The move follows President Donald Trump’s imposition of a 145% tariff on most Chinese imports and the elimination of duty-free entry for goods under $800, set to take effect May 2. These changes threaten the low-cost business models that helped Temu and Shein rapidly gain market share in the U.S., largely through aggressive social media and influencer marketing.