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This technique can be used on any colour of pigment, with no risk of any pigment turning black or getting stuck in scar tissue, as there is with laser.

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A highly concentrated salt solution is used in the treatment area. The body contains lower qualities of salt and water, so in response, it will rise to the area with higher qualities and force the pigment from the lower layers upwards.

Unwanted pigment is forced to the surface and is then removed in a thin scab that forms over the treatment area. ​