Hazardous substances found in all headphones tested by ToxFREE project

throw5 19 minutes ago | parent | next [-]

How about in-ear earphones? They use silicone tips, right? Are there any known harmful effects of those?

The study names brands like Bose, Panasonic, Samsung, and Sennheiser. What about Apple airpods? Anyone knows what's that made of and if they've got any harmful effects?

	▲	andai 14 minutes ago \| parent [-]
		Have they invented plastics that are good for your hormones?

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christophilus 16 minutes ago | parent | prev | next [-]

Hm. My kids listen to a lot of audiobooks with their headphones. These all seem to be mostly European brands. Is there a good, safe headphone brand for kids available in the US?

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maxbond an hour ago | parent | prev | next [-]

I wear cheap bone conduction headphones constantly. So I think I'm getting a lot of exposure. I think I'm going to find some kind of bandage or tape which doesn't have this problem, and put it on the headphones. And I'll try to wear them less often, and try especially to avoid sweating in them.

Does anyone have any other ideas to mitigate exposure?

	▲	terribleperson an hour ago \| parent [-]
		My immediate idea was to cover contact surfaces. My first thought of what to cover them with was more plastic... I guess the proper thing to do would be to use big over-the-ear headphones and cover the cushions with fabric.

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dialogbox 35 minutes ago | parent | prev | next [-]

> "Daily use—especially during exercise when heat and sweat are present—accelerates this migration directly to the skin."

How about the running shoes? That must have much more chemicals and adhesives although I don't have data for that.

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andai 14 minutes ago | parent | prev | next [-]

So like, we had it right with wood and leather after all?

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dopa42365 7 minutes ago | parent | prev | next [-]

The dose makes the poison. Paracelsus knew that 500 years ago already! Meanwhile in 2026 The Guardian publishes such articles every day (microplastics detected somewhere in irrelevant amounts, also water is wet).

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branon an hour ago | parent | prev | next [-]

What do we do about this?

Are there BPA-free headphones on the market?

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nayroclade an hour ago | parent | next [-]

Annex 1 of the study lists the test results for individual brands/models. There are several, including Airpods, that get an all-green evaluation score.

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konmok an hour ago | parent | prev | next [-]

I'm wondering the same. There are some master&dynamic models that are mostly made from metal/leather, but they're above my usual price range. I'm not really an audiophile, I'll settle for lower audio quality, but I'd prefer to wear one that doesn't have me constantly guessing whether I'm poisoning myself.

	▲	branon an hour ago \| parent [-]
		The PDF lists specific products and their results, Sony WH-1000XM5 look good, so do a few others. Purchasing a known-good model might be a good idea but I question how effective this would be, given potential variance in manufacturing processes between lots. I use SteelSeries Arctis 1 which wasn't tested. The Arctis Nova 5 scored "red" for parts touching the skin though, so...

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terribleperson an hour ago | parent | prev [-]

Wear over-the-ear headphones and use ear cushions or cushion covers that are made of fabric.

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nemomarx 3 hours ago | parent | prev | next [-]

what's the proposed mechanism for them getting into the body? wearing while exercising?

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cbsmith 3 hours ago | parent | next [-]

From the article:

"These chemicals are not just additives; they may be migrating from the headphones into our body," said Karolina Brabcová, chemical expert at Arnika. "Daily use—especially during exercise when heat and sweat are present—accelerates this migration directly to the skin. Although there is no immediate health risk, long-term exposures, especially vulnerable groups like teenagers, are of great concern. There is no 'safe' level for endocrine disruptors that mimic our natural hormones."

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diacritical 42 minutes ago | parent | next [-]

> There is no 'safe' level for endocrine disruptors that mimic our natural hormones

Can someone knowledgeable comment on this? It seems extreme to say there's no safe level.

There's a safe amount of cyanide (apple seeds), radiation (everywhere), safe speed of a bullet flying at you (if I just throw it gently at you) and so on. Even if the cyanide is technically poisoning you, the radiation from bananas is damaging you and the bullet I threw lightly grazed your skin, it's still safe in practical terms.

	▲	pizza234 28 minutes ago \| parent [-]
		> Can someone knowledgeable comment on this? It seems extreme to say there's no safe level. Not a direct answer, but the article reports the maximum exceeding amount: > Maximum concentrations reached 351 mg/kg, dramatically exceeding the 10 mg/kg limit originally proposed by the European Chemicals Agency (ECHA).

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oofbey 2 hours ago | parent | prev [-]

The article is actually IMHO overly conservative. This kind of migration is not a theoretical risk, but well established. BPA is a small molecule, not covalently bound to the plastic. It absolutely goes into the skin. Heat, water, and acidity (sweat is slightly acidic) all accelerate the absorption.

Plus absorption through the skin is worse than oral. Because when you eat it your liver breaks a lot of it down. When it goes in the skin it bypasses all that.

	▲	amelius an hour ago \| parent [-]
		But are the quantities significant?

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yodon 3 hours ago | parent | prev | next [-]

You may not be familiar with the prevalence of "hormone patches". Absorption through the skin is a common medical delivery method.

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icameron 2 hours ago | parent | prev [-]

I can’t stop myself from chewing on the little rubber cups that come in the ends of earbuds. I guess the slightly sweet synthetic taste is BPAs.

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tim-projects 2 hours ago | parent | prev | next [-]

This title reads like something that would come down the wire in 1984.

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colechristensen an hour ago | parent | prev | next [-]

The dose makes the poison and modern detection techniques can be tremendously sensitive, I find these arguments unconvincing because mere detection presence isn't enough.

	▲	Choco31415 an hour ago \| parent [-]
		They do go into the levels of chemical found. From the article: "Up to 351 mg/kg of bisphenols detected—35× higher than proposed EU limits" There is far more data available in the orginal report: https://arnika.org/en/publications/the-sound-of-contaminatio...

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jongjong 35 minutes ago | parent | prev | next [-]

When I read this sort of stuff, it feeds directly into my conspiracy theory about how people are being intentionally pacified using chemicals.

- Headphones marketed towards children. (children are most vulnerable as they are developing)

- Chemicals released "especially during exercise when heat and sweat are present." (teens who exercise and are fit/strong/threatening)

It's disturbing how prevalent forever chemicals are.

Every time I've seen some child's toy or device and the idea "This would be a perfect way to target children to disrupt their hormones" came to my cynical, paranoid mind... After a little bit of investigation, I found it's full of endocrine disruptors!

E.g. I bought a small inflatable swimming pool for my toddler son and I noticed how he was putting his mouth on the sides and I thought "Would be a perfect way to deliver endocrine disruptors to toddlers" - So I did some searching, contacted the manufacturer; surprise; it's full of phthalates but they claim 'within approved regulatory limits'!

Then I saw my son's toothbrush had some blue rubber behind to 'scrub the tongue'; it had some cartoon characters on it to appeal to children and I though to myself "That would be a perfect way to get some endocrine disruptors directly into children's mouths on a daily basis"... I did a search and guess what? Do I need to say it, you conspiracy theorist!?

Now this story about children's headphones...

Now consider all this in the context of declining sperm counts and media narratives which conveniently frame population control as the main solution.

I think one of the main problems is that regulations don't work. Under a capitalist system, the government cannot monitor everything that is being sold on the 'free market' or else it's not a free market anymore. The only way to have a functioning capitalist system is by getting rid of regulations and instead replace them with HARSH punishment. No more 'limited liability' bs! If a corporation does something bad; everyone should be fined, including the shareholders! You didn't know? Too bad! You should have done your research! I'm a dumb consumer and even I could figure out that the product contains endocrine disruptors!

It's just insane that we let it come to this. Bring back full liability! Just jail for executives and a fine for shareholders would help a lot.

	▲	woodruffw 33 minutes ago \| parent \| next [-]
		There’s a discontinuity in this conspiracy theory: you haven’t explained how endocrine disruption pacifies the population (or anything else, besides disrupting their endocrine system). As always, the more parsimonious answer is that plastic is cheap and that nobody is incentivized to determine the long term cost of usage/exposure. You don’t need a conspiracy to explain the outcomes here; profit motive suffices.
	▲	PierceJoy 17 minutes ago \| parent \| prev [-]
		> it feeds directly into my conspiracy theory about how people are being intentionally pacified using chemicals. What is more likely? That there's a grand conspiracy involving thousands of people to chemically pacify the population. Or that products made with plastic are cheap and easy to make.

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microflash 3 hours ago | parent | prev | next [-]

PDF: https://arnika.org/en/publications/download/2128_f40ae4eb2e6...

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atombender 2 hours ago | parent | prev [-]

Better article: https://www.theguardian.com/technology/2026/feb/18/hazardous...