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A cream for painless
removal of
`permanent' ink
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Contd..
A researcher in Canada has developed a skin cream that
allows people to painlessly get rid of tattoos. Alec
Falkenham, a PhD student in Dalhousie University's
pathology department, has come up with an approach
that makes use of the natural healing process our skin
activates after it is tattooed.
When we get a tattoo, the pigment from the ink deposits
into the skin where it is then consumed by white blood
cells named “macrophages“.
“Macrophages are known as the big eaters of the
immune system. They eat foreign material, like tattoo
pigment, to protect surrounding tissue,“ said Falkenham.
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In the case of tattoos, two populations of macrophages react to the
ink in different ways. One set transports some of the pigment to the
draining lymph nodes, removing it from the area.
The other population that has “eaten“ the pigment goes deeper into
the skin, becomes inactive and forms the visible tattoo. Falkenham's
technology, Bisphosphonate Liposomal Tattoo Removal (BLTR),
targets the macrophages that contain the pigment.