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NotAPreppie t1_iwr9x5l wrote

Okay, UV fluorescent tattoo dyes: awesome or unnecessary risk?

I know many (most?) fluorophores have crazy aromaticity but couldn’t they just use titanium dioxide (or is that also significantly toxic)?

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Atalantius t1_iwu38f0 wrote

Can’t directly weigh in, but what I am aware of is that nanoparticles of TiO2 interacts with UV absorbers in sun screen to accelerate the breakdown of aromatic sunscreens into toxic substances, from doing research for a paper on that topic.

So, it is possible that TiO2 might interact with the other components of the ink.

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