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Questions tagged [polyjuice-potion]

For questions about "Polyjuice Potion", a potion in the Harry Potter universe that allows the taker to take on the appearance of someone else temporarily. Always use in conjunction with the [harry-potter] tag.

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30 votes
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Anatomy and the polyjuice potion

Polyjuice potions are used a lot through the Harry Potter story, and it's an established fact that it accounts for both age and gender. The only known limitation is that it is only intended for taking ...
Mr Universe's user avatar
17 votes
3 answers
2k views

What happens if you use Polyjuice potion after saving hair or nails?

Suppose you cut a five year old's hair, save it for 10 years, and then use it for a Polyjuice transformation. What age do you turn into: The toddler or the teenager?
user35971's user avatar
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14 votes
4 answers
2k views

How do injuries work with Polyjuice Potion?

We know that if you (using Polyjuice), take the form of someone who had been injured, you assume that injured form (e.g. Barty/Moody). If you are injured, presumably you would be uninjured while under ...
ike's user avatar
  • 4,516
50 votes
6 answers
13k views

As Part Veela, Why Could Fleur Delacour Use Polyjuice Potion to Transform into Harry, and Why Could Hagrid Not?

It is established in Deathly Hallows that Polyjuice Potion is meant for human transformations only: ‘Wha’ was tha’ about?’ roared Hagrid. ‘I’m sorry, Harry, but I had to check,’ said Lupin ...
Slytherincess's user avatar
38 votes
3 answers
27k views

In the Battle of the Seven Potters, why didn't Harry take the Polyjuice Potion?

In the Battle of the Seven Potters (Chapter 'Seven Potters' in "Harry Potter and the Deathly Hallows"), 6 people (Ron/Fred/George/Hermione/Fleur/Mundungus) take the Polyjuice Potion to act as decoys ...
potter's user avatar
  • 389
8 votes
6 answers
4k views

How long do the effects of Polyjuice Potion last?

According to Wikipedia (emphasis mine DVK's, since he edited my question): The Polyjuice Potion allows the drinker to assume the appearance of someone else for exactly an hour. Is this supported ...
Rand al'Thor's user avatar
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8 votes
2 answers
2k views

What would happen if you used the hair of a metamorphmagus in Polyjuice potion?

This is a question I've been thinking about a while now. If a Metamorphmagus doesn't have a set form, and someone takes their hair for a Polyjuice potion, what exactly happens to the person drinking ...
Sandwich's user avatar
  • 189
41 votes
2 answers
4k views

Does the Polyjuice Potion Dark Mark work?

I was just reading Harry Potter and the Deathly Hallows, and I was wondering, when Hermione Granger changed into Bellatrix Lestrange, she should've obtained the Dark Mark, temporarily. Now, my ...
Tom Doyle's user avatar
  • 1,416
30 votes
6 answers
7k views

Why Did Mrs. Crouch Die While Taking Polyjuice Potion?

So I've been re-reading Goblet of Fire and after reading Barty Crouch Jr's recounting of how he and his mother switched places in Azkaban via Polyjuice Potion, I'm unclear why Mrs. Crouch died while ...
Slytherincess's user avatar
20 votes
3 answers
5k views

Is there a way to reveal someone using Polyjuice Potion?

In Harry Potter, are there ways to reveal if a person is under the effect of Polyjuice Potion? Are there ways to identify its use (with a spell, maybe)? When Harry, Ron and Hermione went to the ...
SovereignSun's user avatar
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19 votes
1 answer
1k views

Can Polyjuice potion remove magic?

It's clear throughout the Potter books that someone who takes Polyjuice potion assumes another person's physical characteristics, while keeping their own mental characteristics. Suppose a wizard took ...
BarneyFifeFan's user avatar
15 votes
3 answers
1k views

Does Polyjuice Potion affect accent/language?

In the Harry Potter books, people who take Polyjuice Potion get the voice as well as the physical appearance of the person they're imitating. Without needing to make an effort, they sound exactly ...
Rand al'Thor's user avatar
  • 135k
12 votes
2 answers
3k views

What 50 rules did they break by making the polyjuice potion?

Hermione states that they are breaking about 50 school rules making the polyjuice potion. Do we know any of the rules being broken?
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10 votes
2 answers
1k views

Can you create more Polyjuice Potion using hair/clippings from your own transformed self?

If you were to take Polyjuice, then clip hair from yourself (so it would essentially be the hair of the person you transformed into), could you create more Polyjuice to transform into that person ...
Zip Zap J's user avatar
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8 votes
2 answers
2k views

What would happen if Lupin drank Polyjuice Potion?

I don't think there is a canonical answer to this but I guess it could be deducted from the attributes of werewolfs and the way the potion works. Let's say he uses his own hair for the potion. Or ...
cen's user avatar
  • 315
6 votes
1 answer
2k views

How do Animagi and Polyjuice Potion mix in Harry Potter?

Inspired by reading HPMOR: How do Animagi and Polyjuice Potion mix? I'll be more specific: Can someone who Polyjuices into an Animagus turn into the target's animal? Can an Animagus who Polyjuices ...
ike's user avatar
  • 4,516
5 votes
2 answers
1k views

Is Polyjuice Potion a Form of Transfiguration?

Is Polyjuice Potion a chemical transformation or a form of Transfiguration? I'm not a science genius and I genuinely can't decide if this is a chemical transformation or Transfiguration, or a ...
Slytherincess's user avatar
23 votes
2 answers
6k views

What would happen if you used a dead person's hair in Polyjuice Potion?

Polyjuice Potion is changing based on someone's current physical state. It shows tattoos (or lack of) and such from DH when Ron changed to Harry. "I knew Ginny was lying about that tattoo,” said ...
Vanja Vasiljevic's user avatar
19 votes
1 answer
2k views

Why isn't Polyjuice potion illegal?

Why is it not illegal to use Polyjuice Potion? It is the magical equivalent of identity theft.
user35971's user avatar
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16 votes
2 answers
3k views

Are blood and saliva compatible with Polyjuice Potion?

Although this question seems a bit gross, are blood and saliva compatible with Polyjuice Potion? As far as I recalled, only hairs are compatible.
Invoker's user avatar
  • 4,550
9 votes
0 answers
157 views

Can you use the Polyjuice Potion to look like a younger version of yourself? [duplicate]

Say you pulled out your Hogwarts robe for your 20 year reunion and found a hair on it. If you used a hair from 10-20 years ago in the Polyjuice Potion would you be a younger version of yourself? Would ...
8-Track's user avatar
  • 457
1 vote
2 answers
2k views

Why was Mafalda Hopkirk a "pleasant heliotrope?"

When you put some hairs/essence of a person into a Polyjuice Potion, the potion ends up a color that roughly represents the person. Mafalda Hopkirk, as a Ministry witch under the corrupt Voldemortian ...
bleh's user avatar
  • 7,291
0 votes
2 answers
2k views

Why did Snape suspect Harry of brewing Polyjuice Potion?

In Harry Potter and the Goblet of Fire, Severus Snape accuses Harry Potter of stealing rare potion ingredients used primarily to make Polyjuice Potion, including lacewing flies and boomslang skin. In ...
EJoshuaS - Stand with Ukraine's user avatar