One thing about the Blinn node is that it is *way* stronger on rim lighting. From this angle, the 11x specular is way too much.

If you have this problem, just decrease that specular multiplier for the tattoo.

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)