Tattoos not necessarily the safest option for pet identification

Would you be surprised to learn that there are no regulations controlling or even monitoring the ingredients of tattoo ink? The FDA currently does not regulate tattoo inks.

Most if not all of the pigments used in tattoo inks are manufactured for industrial use such as in printer ink and paint. Pigment manufacturers base their safety information on the assumption that the pigments are used for industrial purposes, not for tattoos.

A 2009 study analyzed 13 inks from a single supplier and found the heavy metals cadmium, cobalt, chromium and nickel in all of them. Most of the inks also contained mercury.

A 2010 analysis of black inks based on carbon found that most of them contained polycyclic aromatic hydrocarbons (PAHs) which are known to be carcinogenic.

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