Forgetfulness Potion
Potion information
Effect	Memory loss[1]
Difficulty level	Beginner
Known ingredients	2 drops of Lethe River Water[1] 2 Valerian sprigs[1] 2 measures of Standard Ingredient[1] 4 mistletoe berries[1]

[Source]

The Forgetfulness Potion is a potion which causes an unknown degree of memory loss in the drinker.^[1] The recipe for this potion can be found in Magical Drafts and Potions; its key ingredients include Lethe River Water, mistletoe berries, and Valerian sprigs.^[1]

Professor Severus Snape had his first-year students brew this potion for their final exams in 1992.

Brewing instructionsEdit

1. Add 2 drops of Lethe River Water to your cauldron
2. Gently heat for 20 seconds
3. Add 2 Valerian sprigs to your cauldron
4. Stir 3 times, clockwise
5. Wave your wand
6. Leave to brew and return in 45-60 minutes
7. Add 2 measures of Standard Ingredient to the mortar
8. Add 4 mistletoe berries to the mortar
9. Crush into a medium-fine powder using the pestle
10. Add 2 pinches of the crushed mixture to your cauldron
11. Stir 5 times, anti-clockwise
12. Wave your wand to complete the potion

AppearancesEdit

• Harry Potter and the Philosopher's Stone (First appearance)
• Harry Potter and the Philosopher's Stone (film) (Mentioned in a deleted scene)
• Harry Potter Trading Card Game
• Pottermore

Notes and referencesEdit

Potions (class)
Professors: Vindictus Veridian · Severus Snape · Horace Slughorn
Textbooks: Magical Drafts and Potions · One Thousand Magical Herbs and Fungi · Advanced Potion-Making · Moste Potente Potions
Potions at Hogwarts: Potions Classroom · Potions Staircase · Potions basement · Potions Club · Potion Master's office · Potion Master's storeroom · Dungeon Five · Cauldron cupboard
Potioneers: Arsenius Jigger · Damocles · Glover Hipworth · Golpalott · Gregory the Smarmy · Gunhilda of Gorsemoor · Hector Dagworth-Granger · Hesper Starky · J. Pippin · Laverne de Montmorency · Libatius Borage · Regulus Moonshine · Rubens Winikus · Sacharissa Tugwood · Tilden Toots · Dr. Ubbly
Potions Studied: Boil-Cure Potion · Forgetfulness Potion · Hair-Raising Potion · Shrinking Solution · Undetectable Poisons · Wiggenweld Potion · Girding Potion · Antidotes · Strengthening Solution · Everlasting Elixirs · Felix Felicis · Draught of Living Death · Amortentia · Elixir to Induce Euphoria · Hiccoughing Solution · Poison Antidote · Swelling Solution · Draught of Peace · Wit-Sharpening Potion · Polyjuice Potion