What's really going under your skin when getting a tattoo?

FDA has issued a new warning to "think before you ink" following reports of infections and allergic reactions associated with tattoo ink, but it has never approved any ink for use

From: http://redirect.viglink.com?u=http%3A%2F%2Fwww.cbsnews.com%2Fnews%2Ffda-warning-tattoo-ink-risks-skin-allergic-reactions-infections%2F&key=ddaed8f51db7bb1330a6f6de768a69b8