Tattoos to cover under breast incision scars? 14 months post op, still red and elevated (Photo)

I have been using mederma, bio oil, cocoa butter, etc. and have had 6 laser scar treatments, and have been massaging them as well. The left seems to have a slight keloid toward the right corner. They otherwise have some redness and are a bit elevated still. Would it be okay to get tattoos to cover them at this point?

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