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"Snape had given them so much homework, Harry thought he was likely to be in the sixth year before he finished it. Ron was just saying he wished he had asked Hermione how many rat tails you were supposed to add to a Hair-Raising Potion when an angry outburst from the floor above reached their ears."
—Description.[src]

The Hair-Raising Potion is a potion that causes the drinker's hair to stand on end. One of the known ingredients is rat tails.

History

Harry Potter and Ron Weasley had to complete a homework assignment which involved this potion in their second year.[1]

Appearances

Notes and references

  1. Harry Potter and the Chamber of Secrets, Chapter 13 (The Very Secret Diary)


Potions (class)
Wideye-or-awakening-potion
Potioneer
Arsenius Jigger · Damocles · Glover Hipworth · Golpalott · Gregory the Smarmy · Gunhilda of Gorsemoor · Hector Dagworth-Granger · Hesper Starkey · J. Pippin · Laverne de Montmorency · Libatius Borage · Regulus Moonshine · Rubens Winikus · Sacharissa Tugwood · Tilden Toots · Dr. Ubbly · Zygmunt Budge
Professors
Bartholomew · Horace Slughorn · Severus Snape · Swoopstikes · Vindictus Veridian · Unnamed Professor (16th century) · Unnamed Professor (2021)
Textbooks
Magical Drafts and Potions · One Thousand Magical Herbs and Fungi · Advanced Potion-Making · Moste Potente Potions · A Collection of Above Three Hundred Receipts in Cookery, Physick, and Surgery
Potions at Hogwarts
Potions Classroom · Potions Staircase · Potions basement · Potions Club · Potion Master's office · Potion Master's storeroom · Dungeon Five · Cauldron cupboard
Potions studied at Hogwarts
Amortentia · Antidotes · Antidote to Common Poisons · Boil-Cure Potion · Doxycide · Draught of Living Death · Draught of Peace · Elixir to Induce Euphoria · Everlasting Elixirs · Felix Felicis · Fire Protection Potion · Forgetfulness Potion · Girding Potion · Hair-Raising Potion · Herbicide Potion · Hiccoughing Solution · Poison Antidote · Polyjuice Potion · Shrinking Solution · Strengthening Solution · Swelling Solution · Undetectable Poisons · Wideye Potion · Wiggenweld Potion · Wit-Sharpening Potion