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"It was a c-cat hair! M-Millicent Bulstrode m-must have a cat! And the p-potion isn't supposed to be used for animal transformations!"
— The Polyjuice Potion turned Hermione Granger into a part-cat[src]

Cat hair was hair from a cat that may have been used in some potions. It was kept with other potion ingredients in the Potions Classroom at Hogwarts School of Witchcraft and Wizardry.[2]

History[]

Millicents cat

Hermione partially transformed into Millicent Bulstrode's cat after accidentally adding the cat's hair to her Polyjuice Potion

On 17 December 1992, Hermione Granger got some hair off of Millicent Bulstrode in the Duelling Club. She needed it to make Polyjuice Potion over the holidays. Harry Potter would become Vincent Crabbe, Ronald Weasley would become Gregory Goyle, and Hermione would become Millicent Bulstrode, in order to interrogate Draco Malfoy and learn if he was the heir of Salazar Slytherin on 25 December, Christmas day. Unfortunately, the hair that Hermione pulled off of Millicent's robes was from her cat, resulting in Hermione becoming a humanoid feline and leaving Harry and Ron to finish the job.[1] She was later sent to the Hospital Wing for recovery.[3]

Appearances[]

Notes and references[]

  1. 1.0 1.1 1.2 Harry Potter and the Chamber of Secrets, Chapter 12 (The Polyjuice Potion)
  2. The Road to Hogwarts Sweepstakes
  3. Harry Potter and the Chamber of Secrets, Chapter 13 (The Very Secret Diary)
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