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"Castor oil... At least it doesn't smell as bad as it tastes."
Harry Potter[src]

Castor oil is a vegetable oil extracted from the castor bean.[1]

Description[]

It was used as a potion ingredient and was sold at the apothecary in Diagon Alley for 4 galleons a bottle.[2] It was also kept in the Hospital Wing. Castor oil was one of the ingredients needed to brew a Love Potion Antidote.[3]

Behind the scenes[]

  • In the real world, Castor oil has applications in areas such as food preservation and medicine.[1]

Appearances[]

Notes and references[]