New research involving mice reveals that tattoo ink particles rapidly migrate into lymph nodes shortly after application, where they remain detectable for extended periods. The study found that the pigments prompted the death of immune cells and triggered lasting inflammation, potentially compromising the body’s ability to mount an effective immune response—including a reduced reaction to an mRNA-based COVID-19 vaccine. Scientists warn these findings could have broader implications for long-term immune function in tattooed individuals, though further human studies are needed to confirm the effects. The discovery highlights an unexpected biological interaction between cosmetic pigments and the immune system.
Mouse research shows tattoo pigments move into lymph nodes within minutes and persist for months Ink triggered immune-cell death, chronic inflammation and weakened response to an mRNA COVID shot ...
