Why do you say Dumbledore helped Lily make the potion? Lily was a rising star of Potions herself.
When Dumbledore showed Harry the comments he made in her potions textbook the potion he was commenting on was the Potion of Eagle's Splendor, which is the potion for an increase in the Charisma stat (which technically doesn't have to involve appearance but is often considered correlated with it) in 3rd edition Dungeons and Dragons.
ETA: The other things which makes it more suggestive is that the potion Petunia took was dangerous or rare, else more witches would also have permanently improved their appearance, and a normal potion listed in the standard 5th y...
This is a new thread to discuss Eliezer Yudkowsky’s Harry Potter and the Methods of Rationality and anything related to it. This thread is intended for discussing chapters 91 & 92 . The previous thread has passed 500 comments.
There is now a site dedicated to the story at hpmor.com, which is now the place to go to find the authors notes and all sorts of other goodies. AdeleneDawner has kept an archive of Author’s Notes. (This goes up to the notes for chapter 76, and is now not updating. The authors notes from chapter 77 onwards are on hpmor.com.)
The first 5 discussion threads are on the main page under the harry_potter tag. Threads 6 and on (including this one) are in the discussion section using its separate tag system. Also: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,18,19,20.
Spoiler Warning: this thread is full of spoilers. With few exceptions, spoilers for MOR and canon are fair game to post, without warning or rot13. More specifically: