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According to a new scientific study, tattoos can cause skin reactions lasting up to four months. According to a US study published in May 2015, 10% of tattooed skin suffer skin reactions, 6% with skin symptoms of more than four months.
Until now, it was thought that tattoo inks were the cause of allergies – the dyes contained in the ink were often denounced by the National Association of Dermatologists.
However, according to a recent international study published in the journal Particle and Fiber Toxicology, do not worry about inks: the needles used by tattoo artists can also trigger allergic reactions. Copper and nickel particles (called allergens) can pass from the needle to the lymph nodes of the person putting the tattoo.
The effect of tattoo needles on the body
Hiram Castella, an ecologist, said, "There are several elements that are more related to tattooing than we think. So, the effect on the body ".
"It's hard to accurately measure the impact of tattoos on health," says Anis Schreifer, lead author of the study.
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