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What's in my ink: the analysis of tattoo ink composition

Date
August 24, 2022

The composition of tattoo inks is widely unknown due to the lack of FDA regulation. Work is being done to separate the different components in the ink and identify them through different analytical techniques including UV-visible, IR, NMR, and Raman spectroscopies, LCMS, microwave acid digestion, and ICP-MS. Tattoo removal is also a cause for concern as it is not known how the ink breaks down or what products form. Similar analytical techniques can be used to analyze these photoproducts after laser photolysis focusing on products potentially harmful to human health.

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