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Hiro Diapers: The First Disposable I've Ever Actually Trusted
Cloth Diapering
8/12/20264 min read
But let's be honest — cloth isn't always realistic. Travel, daycare, sick days — sometimes you need a disposable that doesn't make you feel like you're betraying your eco values.
That's exactly why Hiro Diapers earned a permanent spot in our diaper bag.
If you've been around here for a while, you know cloth diapering is my ride-or-die.
The Problem With "Eco" Disposables
Here's something most people don't realize: diapers are the number one source of household plastic waste, and the third biggest contributor to landfills overall. The average baby goes through around 5,000–6,000 diapers before they're potty trained, and the very first disposable diaper ever made? Still sitting in a landfill somewhere today, hundreds of years later.
A lot of "eco-friendly" diaper brands lean on green marketing without actually solving that problem. Plant-based materials, bamboo blends, "chlorine-free" claims — nice in theory, but most of them still end up as permanent landfill residents just like every other diaper.
Hiro set out to actually fix that, not just soften the packaging around it.
Meet the Magic: MycoDigestible™ Technology
This is the part that made me do a double take the first time I heard about it. Hiro diapers come with a small pouch of SuperHIRO Mycelium — a proprietary, food-grade fungal blend that’s basically been trained to treat plastic like dinner.
Here’s how it actually works:
You use the diaper as normal.
Before tossing it, you drop a Hiro Pouch into the soiled diaper. The fungi never touch your baby — it only activates after disposal.
Once the diaper hits the landfill, moisture (from the diaper itself and the environment) triggers the fungi to activate.
The mycelium recognizes the plastic components as food, releases enzymes to break them down at a molecular level, and slowly consumes them, eventually turning the diaper into soil and mycelium instead of a permanent plastic shell.
It sounds like science fiction, but it’s rooted in real biology. Plastic-eating fungi were first discovered in the Amazon back in 2011, and scientists have known for over a decade that certain fungal strains can digest complex carbon structures — the same kind of chemical backbone found in plastic.
Hiro is the first company to actually bring that discovery out of the lab and into something you can toss in your diaper genie.
Why It’s Different From Every Other Disposable on the Shelf
A few things set Hiro apart from the typical “eco” diaper aisle:
No chlorine, period. Not even the “chlorine-free” bleaching that other brands rely on. Hiro’s cotton and pulp are processed using totally chlorine-free, oxygen-based methods.
No wetness indicator dye, fragrances, lotions, or dyes — all common irritants that can contribute to diaper rash.
Unbleached cotton, hypoallergenic materials that are dermatologist-tested and designed to be gentle on sensitive newborn and toddler skin.
Culinary-grade, non-GMO mycelium in the pouches, so what’s breaking the diaper down is as clean as what’s touching your baby’s skin.
High-performance absorbency — this isn’t a diaper you have to sacrifice leak protection for in the name of sustainability. It’s genuinely built to perform, not just to look good on Instagram.
That last point matters so much to me. I’ve tried plenty of “natural” diaper brands over the years that leaked constantly or fell apart. Hiro doesn’t ask you to choose between ecoconscious and actually functional.
A Quick Note on Wipes
One thing I learned that surprised me: skip the wipes when you’re using Hiro.
Even “biodegradable” wipes are often treated with preservatives that can interfere with the fungi’s ability to do its job, undermining the whole point of the pouch. Hiro recommends a damp cotton washcloth at home, or a small dampened cloth in a wet bag for on-the-go — which, if you’re already a cloth diapering household like ours, is basically zero adjustment.
Where Hiro Fits Into Our Routine
We’re still a cloth-first household — that’s not changing.
But Hiro is what comes with us on trips, and what I hand off to family members who want to help out but aren’t going to learn a cloth diapering system overnight. Knowing that those diapers aren’t just sitting in a landfill for the next 500 years makes the trade-off feel a lot less guilty.
If you’ve been looking for a disposable that actually aligns with why you started cloth diapering in the first place, Hiro is worth trying. It’s the first disposable diaper I’ve felt genuinely good about keeping in the house.
Want to try them for yourself?
New customers can get a discount on their first order — just use my link or enter code ALLISONCAROLS at checkout.
This post contains affiliate links. If you purchase through them, I may earn a small commission at no extra cost to you — thank you for supporting the blog!
