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Sharing an apartment does not mean every personal item automatically becomes communal property.

How would you react if your roommate casually used an expensive product you medically needed?

Instead of apologizing, this roommate dismissed the concern and suggested the owner hide his belongings.

Things are about to get…slippery.

AITA for asking my roommate to stop using my expensive shampoo?

I (19M) share an apartment with my roommate (20M).

We get along fine, but recently I noticed my shampoo bottles emptying way faster than they should.

It’s not just any shampoo.

I have a scalp condition, so I buy a specific medicated brand that costs like 25€ a bottle.

This man caught his roommate using his shampoo, so he confronted him about it.

Last week, I caught him using it in the shower.

I asked him about it, and he said, “Bro, it’s just shampoo. Calm down.”

I told him that it’s not “just shampoo.” It’s literally prescribed for my scalp and also really expensive.

His roommate called him dramatic.

He rolled his eyes and said I was being dramatic and that if I don’t want him to use it, I should “hide it.”

I feel like he should respect my stuff without me needing to hide it.

I told him to buy his own.

His roommate also told their friends that he’s selfish over soap.

But now, he’s being passive-aggressive.

He’s also telling mutual friends I’m “selfish over soap.”

So, AITA for asking my roommate not to use my shampoo?

The roommate is the one who is selfish.

Let’s find out what others have to say about this on Reddit.

This user shares their personal thoughts.

How about a petty revenge idea?

This person offers some good advice.

Yes, indeed.

If you enjoyed this story, check out this post about a homeowner who doesn’t think their painters should use their water spigot on the job.

Finally, short and simple.

This young man reasonably asked his roommate to stop using a costly medicated shampoo prescribed for his scalp condition.

His roommate could have simply apologized and bought his own, but chose passive-aggressive complaints and name-calling instead.

Apparently, basic respect was the one thing he could not wash into his head.