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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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Why doesn't Harry Potter use Veritaserum or a Confundus Charm instead of Polyjuice Potion?

In Harry Potter and the Chamber of Secrets, Harry, Ron and Hermione turned into three of the Slytherins using Polyjuice Potion. If they could brew such an immensely complicated potion, why didn't ...
orbit_key's user avatar
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
6 votes
2 answers
1k views

How did Professor Slughorn not notice a year's worth of polyjuice potion going missing?

A key reveal in Half-Blood Prince is that, despite the school's increased security measures, someone has been stealing polyjuice potion from Professor Slughorn. The context suggests that the amount ...
J. Mini's user avatar
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Why bother with Chamber of Secrets' polyjuice plot when you can turn invisible?

Until almost the end of Chamber of Secrets, it's as if Harry has forgotten that he owns an invisibility cloak. There's numerous occasions in the book where it appears to me that using the cloak was ...
J. Mini's user avatar
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1 vote
1 answer
436 views

What would happen if a Polyjuice Potion were brewed with a baby's toenail and imbibed by an adult?

Would the consumer turn into an adult sized baby? Would they retain their powers of speech and motor skills but physically become a baby? Or would they just be transformed into a baby?
dgs3's user avatar
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-2 votes
2 answers
1k views

Where did they get the bicorn horn from?

In chapter eleven of Harry Potter and the Chamber of Secrets we are told that one of the ingredients that would need to be procured for the Polyjuice Potion is powdered horn of a bicorn: "This is ...
Alex's user avatar
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4 votes
4 answers
2k views

What would happen if a Polyjuice Potion has two (or more) person's hair or nails?

Is there a canonical explanation on the effects if someone drinks a Polyjuice Potion (prepared properly, of course) with hairs/nails of two different persons? What would the transformation resulting ...
Shreedhar's user avatar
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19 votes
3 answers
9k views

How could Barty Crouch Jr. have run out of Polyjuice Potion at the end of the Goblet of Fire movie?

Why did Barty Crouch Jr. run of of Polyjuice Potion at the end of the movie Harry Potter and the Goblet of Fire? I mean, it takes literally weeks to prepare, as we've seen in Harry Potter and the ...
TinyDoowy's user avatar
  • 2,587
4 votes
0 answers
58 views

If someone uses Polyjuice potion on someone who has already used it, would they turn into the normal or "disguised" person? [duplicate]

What would happen, if person A would take person B's hair and drink Polyjuice potion. Wait until transformation is complete and then take a hair from person A (as person B) and make person C drink ...
hurricane_drunk's user avatar
9 votes
3 answers
780 views

If somebody uses the hair of a Metamorphmagus in Polyjuice Potion, can they then use the abilities of the Metamorphmagus?

If someone were to take Tonks's hair, as she is a Metamorphmagus, does that mean that they can change their appearance just like her, as Polyjuice Potion copies all of the attributes of the person you ...
Bradley Hewitt's user avatar
16 votes
2 answers
3k views

Can Polyjuice potion change someone who is dead into someone else's face?

Can Polyjuice Potion change someone who is "dead" into someone else, or does it only work on living wizards and witches?
Joshua Kinship's user avatar
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
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1 vote
0 answers
366 views

Why wasn't Hermione punished for the polyjuice potion [duplicate]

It is said that making the polyjuice potion Harry, Ron and Hermione were breaking at least 50 rules of the school. Now, Hermione accidentally drinks a potion with an addition of cat's hair, which ...
user2723984'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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3 votes
1 answer
500 views

Is there a minimum dosage for Polyjuice Potion?

The Harry Potter wiki says: The effects of a single dose last anywhere from ten minutes to twelve hours, depending on how well the potion has been brewed. But it doesn't say anything about how ...
LevenTrek's user avatar
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16 votes
2 answers
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How long does a Polyjuice transformation last after death?

After reading this answer I found out that the effects of Polyjuice potion persist even after a person dies. Generally, the transformation only lasts for one hour, but in the case of Barty Crouch's ...
DCOPTimDowd's user avatar
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5 votes
2 answers
1k views

What would happen if you drank Polyjuice Potion made from a werewolf?

Related to this: What would happen if Lupin drank Polyjuice Potion? If you made Polyjuice Potion from one of Lupin's hairs, and then drank it during a full moon night, would you turn into a werewolf ...
user avatar
25 votes
3 answers
12k views

Did J. K. Rowling contradict herself in the Polyjuice Potion article on Pottermore?

In the second book/movie, Hermione used a cat's hair in her Polyjuice Potion by mistake and her body got covered in fluffy hair and she possibly even got a tail. But, J. K. Rowling writes on ...
user931's user avatar
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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
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10 votes
2 answers
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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
  • 1,357
4 votes
2 answers
704 views

Did Ginny/Tom find the Polyjuice Potion?

We know that Tom Riddle is not a fool, and yet the entrance to the Chamber of Secrets was in the same bathroom as the one that the golden trio used to make the Polyjuice Potion. Is there a chance ...
Magical's user avatar
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6 votes
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What was wrong with Hermione's Polyjuice potion in CoS?

Before Harry, Hermione, and Ron drink the Polyjuice potion during the Chamber of Secrets, Hermione states that the effects will only last an hour. From an early draft of the script (this scene is in ...
DCOPTimDowd's user avatar
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2 votes
0 answers
183 views

Why did Crouch Jr. transform into a healthy version of Moody? [duplicate]

How could Barty Crouch Jr. assume Mad-Eye Moody's healthy figure, if he was taking Polyjuice Potion taken from a feeble and weak Moody? Isn't the Polyjuice Potion supposed to make you look like the ...
Paula'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
3 votes
0 answers
93 views

Polyjuice Potion and Injuries Timeline [duplicate]

A question similar to this, but a little different. We know as mentioned in the tagged question that Polyjuice potion will account for injuries, such as Mad-Eye's in Goblet of Fire. How tight is the ...
Aggie Kidd's user avatar
5 votes
2 answers
2k views

Are these potion ingredients common?

The ingredients I am referring to are lacewing flies and boomslang skin. The two ingredients that are usually mentioned in the brewing of the Polyjuice Potion. However, in the Cursed Child, ...
Skooba's user avatar
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1 vote
2 answers
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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
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19 votes
1 answer
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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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7 votes
2 answers
6k views

Does the polyjuice potion change the voice or not? [duplicate]

In the Deathly Hallows, with the 7 Potters, Fleur still talks with a french accent, in the book and the recording. “Bah,” said Fleur, checking herself in the microwave door, “Bill, don’t look at ...
bleh's user avatar
  • 7,291
8 votes
2 answers
3k views

How did the Polyjuice potion's effects last through lessons, which are more than an hour?

In Goblet of Fire, was disguised as The Polyjuice Potion only lasts for about an hour, as shown in The Chamber of Secrets, and lessons usually last about 1 hour. Why did the disguise not fail ...
bleh's user avatar
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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
10 votes
1 answer
1k views

Can polyjuice grow back body parts cursed off by dark magic? [duplicate]

If George had stocked on some of his hairs before his ear got cut off by Snape, could he have used polyjuice potion to turn into a version of himself with both the ears? From Goblet of Fire we know ...
user13267's user avatar
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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
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5 votes
3 answers
2k views

How much Polyjuice potion did this character need?

In Harry Potter and the Goblet of Fire, How much Polyjuice potion did he need?
vap78's user avatar
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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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6 votes
1 answer
341 views

Do people practice Polyjuice taking in ordinary life?

In canon, we typically see Polyjuice used in generally extreme circumstances: camouflage for tactical advantage in battle; or spying; or theft of valuable property. Do people practice Polyjuice ...
DVK-on-Ahch-To's user avatar
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?
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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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
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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
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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
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
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
30 votes
3 answers
11k views

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
9 votes
4 answers
2k views

Can effects of Polyjuice potion be reversed?

If someone takes Polyjuice potion, can the effects be reversed before the one-hour potion acting time expires? For example, by applying a specific counter spell, or stunning a person? Or killing them,...
Silver Fox's user avatar
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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
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
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
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