"Point me!" This article is about the potion ingredient. You may be looking for the famous wizard it was named after. Ptolemy is a blood-red substance with magical properties. Ptolemy is used as an ingredient in Potion-making, and is named after the famous individual. Appearances Harry Potter and the Philosopher's Stone (film) Notes and references ↑ Harry Potter and the Philosopher's Stone (film) - DVD 2 (Special Features) Retrieved from "https://harrypotter.fandom.com/wiki/Ptolemy_(potion_ingredient)?oldid=1261010" Categories: Articles with information from Harry Potter and the Philosopher's Stone Disambiguation Potion ingredients Community content is available under CC-BY-SA unless otherwise noted.