Tattoo ink doesn’t just stay in the skin — a PNAS mouse study found pigments can reach nearby lymph nodes soon after contact, damage macrophages, and keep inflammation active for at least two months
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Space DailyTattoo ink doesn’t just stay in the skin — a PNAS mouse study found pigments can reach nearby lymph nodes soon after contact, damage macrophages, and keep inflammation active for at least two monthsspacedaily.comA group of researchers at the Università della Svizzera italiana gave mice small foot tattoos in black, red or green, then watched under the microscope where the ink went. It travelled fast. On the paper’s own imaging, the pigment reached the lymphatic vessels draining the foot within about ten minutes, and by twenty-four hours it […] The post Tattoo ink doesn’t just stay in the skin — a PNAS mouse study found pigments can reach nearby lymph nodes soon after contact, damage macrophages, and keep inflammation active for at least two months appeared first on Space Daily .
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