Effect: uncertain, probably makes a person forget things
Pottermore list of Ingredients:
- Lethe River Water
- Mistletoe Berries
- Valerian Sprigs
- Standard Ingredient
Add 2 drops of Lethe River Water to cauldron, and gently heat for 20 seconds.
Add 2 Valerian Sprigs
Stir clockwise 3 times
Wave your wand and allow to brew 45 minutes.
To the mortar add: 2 measures Standard Ingredient and 4 mistletoe berries. Crush to a fine powder.
Add 2 pinches of the powder to the cauldron.Stir 5 times, anti-clockwise.Wave your wand to finish.
References from the canon
- First-years were tested on this in final exams (PS16)
- Brewed on Pottermore
- see Memory Potions