Hair-Raising Potion -
Hate Potion -
hellebore -
Hiccuping Solution -
horned slugs -
horned toads -
human parts
ingredients: include rat tails
Exact effect unknown
(CS13)
ingredients: unknown
Reveals the worst faults and habits of the target person to the drinker
Recommended by the Daily Prophet's advice columnists to help witches and wizards get over emotional attachments to people who don't love them (DP).
c.f. Love Potion
Hellebore is one of the ingredients of Draught of Peace, but Harry forgot to add it to his potion (OP12).
ingredients: unknown
Exact effect unknown, but presumably causes hiccups
Malfoy made this in sixth-year Potions for an assignment to make "something amusing", but it was pronounced merely passable (HBP22)
Used in boil-cure potion (see).
Neville had to disembowel a barrel of these for Snape when he got detention after melting his sixth cauldron in Potions (GF14).
Some Dark Magic requires human flesh or bones. In Knockturn Alley, one can buy human fingernails (CS4) and human bones (Pm, CS4). Polyjuice Potion requires a hair of the person one wants to "turn into." More gruesome is the potion created by Voldemort to regain his body (GF32).
