I hate to heap more doubt on an already crazy world, but paper towels say things like “strong” and “absorbent” and “more sheets”, but they don’t say anything about being clean or sterile. Yet we use them that way.

  • remon@ani.social
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    19 hours ago

    We never assumed that. Also why would they need to be sterile in the first place? There main job is to get dirty.

  • southsamurai@sh.itjust.works
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    20 hours ago

    They aren’t sterile, and I’ve never actually run into anyone that seemed to think they are.

    What they are is clean enough
    The paper is rolled up, relatively dry, usually wrapped in a barrier, and isn’t a food product that will draw unusual amounts of pathogen carrying critters. So you end up with something that is cleaner than the things you use it on, akin to rag you pull out of a drawer that you washed weeks ago. Or a dish that’s been sitting in your cabinet for similar periods.

    When it comes down to what they’re used for commonly, that’s clean enough. It won’t be bringing pathogens into contact with anything you’ll take inside your body. That’s all that matters.

    Mind you, it assumes you’re storing them in a way that keeps junk off of them. But as long as that assumption holds, you can use them as napkins (which are no more sterile), use them to mop up spills (likely cleaner than av actual mop), as a crumb barrier and wrapper for a sandwich, whatever.

    There’s really nothing you would be likely to use them for that would be problematic, particularly in an emergency. Better than toilet paper in that regard, as tp is treated to break down easily in water (and the chemicals used to do that stink btw). If you need a wad of something to cram down on a wound to control bleeding, as an example, paper towels would be better than a random shirt you pulled off your body, as it’s going to have lower concentrations of things like staph, yeast, and strep, as well as the numerous other critters that populate our hides even fresh out of a shower.

  • fratermus@piefed.social
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    1 day ago

    Unless it’s been autoclaved or packaged in a “clean room” I don’t assume anything’s sterile . I would say that mass produced paper products like that are closer to sanitary.

  • kensand@sopuli.xyz
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    1 day ago

    If I’m bleeding any more than a drop or two of blood, I’m reaching for the closest remotely clean and absorbent material while I go find a real bandage and some neosporin. 99% of the time that is a paper towel since they’re always around and handy. Never got an infection that way, and I think it’s a perfectly reasonable reaction when you or someone else is bleeding…

    Edit: and to be clear I don’t think paper towels are sterile, but neither is the air that I’m running through to go get a bandage; might as well not get blood everywhere while I’m at it.

  • ianhclark510@lemmy.blahaj.zone
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    1 day ago

    I dont personally use paper towels for anything I require to be sterile

    If I was washing my hands I’d expect the soap to do the anti microbial work, and rinsing with tap water to remove the microbe corpses, the paper towel is just to absorb the leftover tap water

    Same deal if I use a paper towel to swab a pan while cooking, I don’t expect the paper towel to be sterile, I just get the gunk out and then heat the pan to a safe temperature

    • Em Adespoton@lemmy.ca
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      1 day ago

      I think your use cases are the standard use (dry surface and scoop up gunk before sanitizing).

      However, the first use case presents a problem: if you sanitize your hands/surface and then dry with a non-sterile paper towel, what’s to say you haven’t just smeared contaminants all over the surface again?

      I do remember a study in bathrooms a few years back that found that the materials and composition of a paper towel tend to trap contaminants instead of spreading them (just like wood/paper cutting boards)… so paper towel likely has some built-in antimicrobial properties, but that window between manufacture and use is pretty wide open. We entrust a LOT to a bit of shrinkwrap.

      • ianhclark510@lemmy.blahaj.zone
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        2 hours ago

        Wise words internet stranger!

        I’m going to look back fondly on this conversation in 9 years, 1 month, and 22 days when a Bacillius Cereus outbreak spreads across 30 states and is found to be originating from contaminated paper towels

      • FuglyDuck@lemmy.world
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        1 day ago

        We almost never actually need to sanitize anything you come into regular contact with. (Unless you work in a medical field, I guess…)

        And if you’re freaking out about microbes and fecal matter, don’t ask what you’re breathing in with every breath you take.

        • Em Adespoton@lemmy.ca
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          1 day ago

          Funny thing about the medical field and sanitizing… I had a relative in biochemistry. Their sanitizing regime was very specific. And when asked about hospital sanitizing practices, they could run off a long list of biological hazards common to a hospital setting that not only would not be destroyed by their practices, but were likely to mutate in novel ways.

          And yet, other than C.Dif, most people survive visits to the hospital just fine.

          So yeah, just the paper towel’s built-in antimicrobial properties are likely enough in most settings where a person would use them… assuming people aren’t using them to pat down a raw chicken and then wipe the counter.

      • kn33@lemmy.world
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        1 day ago

        I mean, part of it is how clean are you trying to keep your hands, and for how long? Short of a surgical environment, sterility for more than a few moments isn’t realistic. The goal is just to keep your hands cleaner than “just took a shit and used my hands to handle toilet paper” for a while. Paper towels are good enough to achieve that.

  • balsoft@lemmy.ml
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    1 day ago

    Is anyone assuming they’re sterile (aseptic) tho? I would hope nobody is using paper towels for anything important in a medical context. In other cases their sterility is not important at all, interacting with microbes (includiing pathogenic ones) is a normal part of everyday life and our immune systems are pretty good at dealing with them (unless you are exposed to a lot of something particularly nasty, like during a pandemic or by being sneezed at or smth). Unless you go full-on germaphobe, the microbial contamination that exists on new paper towels is nothing compared to other stuff you interact with (smartphone, door handles, kitchen sponge, fresh produce, etc).

    Otherwise, they’re self-evidently cleaner than whatever I’m trying to clean with them, that’s why they work for cleaning in the first place. If I swipe a kitchen counter with them after cooking, it will very obviously have less gunk and shmutz now, which means it will be cleaner.

  • Lasherz@lemmy.world
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    1 day ago

    They’re pretty clean so long as it’s indoors and ideally not in a bathroom. There’s a massive difference of a new paper towel and a reused towel. I wear contacts and it doesn’t take much to notice residue on my hands/eyelid area.

  • Zwuzelmaus@feddit.org
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    1 day ago

    The industrial process of making paper is pretty sterile (Nobody checks and guarantees it, though).

  • JohnnyEnzyme@piefed.social
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    1 day ago

    Might the bleaching and reconstituting-process of paper fibres play a role? And then, common industry standards and checks?

    (not saying you’re wrong)

    • balsoft@lemmy.ml
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      1 day ago

      That’s a bad assumption to make. Many pathogenic bacteria can survive for months with no meal.

      It’s more that interacting with bacteria, even pathogenic bacteria, is a normal part of everyday life. That’s exactly what our immune systems are for. Unless you are sticking the paper inside you or doing surgery with it, you’ll be fine using a paper towel with some microbes on it.

  • Solumbran@lemmy.world
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    1 day ago

    People were licking door handles during covid lockdowns, and encouraging their kids in school to cough outside of their masks during classes, and you think anyone has any kind of understanding of the concept of sterility?

    Also, things rarely need to be actually sterile in your daily life, they just need to not be contaminated. And if you need to put a paper towel on a cut for example, you can just put disinfectant on it first and that probably would be enough.