- Hermione Granger: "What are the three most crucial ingredients in a Forgetfulness Potion?"
- Ron Weasley: "I forgot."
- — Ron and Hermione studying for their final exams.[src]
The Forgetfulness Potion is a potion which presumably causes the drinker to become forgetful. Professor Severus Snape had first-year students brew it for their final exams in 1992. Has a slight red colour.
Appearances
- Harry Potter and the Philosopher's Stone
- Harry Potter and the Philosopher's Stone (film) (Mentioned only) (Deleted Scene)