180px-Polyjuice Potion
Polyjuice Potion is a very complicated potion that allows the drinker to assume the form of someone else. While it can account for both age and gender, Polyjuice Potion cannot be used for a human to take an animal form or for a half-breed to assume human form.


  1. 12 lacewing flies that have been stewed for 21 days
  2. 1 ounce of crude Antimony
  3. 4 leeches that have been unsucculated
  4. 16 scruples of fluxweed that were picked at full moon
  5. 3 drachms of pulverised Sal Ammoniac
  6. Pulverised blades of knotgrass
  7. 1 pinch of powdered horn of a Bicorn that has been lunar extracted.
  8. Filings and rasplings of Saltpeter, Mercury and Mars
  9. Shredded dried skin of a Boomslang
  10. Extract of The-Transfigured-Being-To-Be
  11. Butterscotch Ripple

It takes at least one month to brew properly.