Majorus concoction can be... buggy. I used it on my penis when it was at full length and it looped back around to tiny again, but not micro. I tried it a few more times to return it to regular size and it eventually just fell off. Then, I tried it on my testicles, which eventually just sorta... error ed. They too looped, but never dissipated. Inspecting my looks resulted in Error finding description Testicles Big.
Also, the wimborn slavers guild has broken dialogue for services like elevation