Do you have any advice about plasticizers in tattoo ink? I was told they can't be removed? Can a picosure remove them?

I have been using a ruby Q-switched laser in our clinic.I was told about an ingredient called a plasticizer which cannot be removed.We have had a gentleman come into our clinic who has now had 4 treatments. I am worried about plasticizers, as there is minimal fade.Do you have any further info on plasticizers? Would a picosure laser be able to remove this pigment? Any advice greatly appreciated!

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