The problem with your retainer

You eat plastic in your sleep.

When simulating regular use, we found that conventional plastic retainers release at least 200,000 microplastic particles into your body a year.

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Custom-fit to your teeth. Made without petroleum plastic.

Unplastic Retainer
Unplastic Retainer
Unplastic Retainer
Unplastic Retainer

Eight hours a night adds up.

~100,000

microplastic particles eaten and inhaled per year

Estimated annual exposure for U.S. adults from studied food, drink and air sources.

200,000+

from a conventional plastic retainer

Annual estimate from our simulated-wear study.

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Warm. Wet. Chewed on.

Your retainer doesn’t sit on a shelf. It sits against your teeth at body temperature, surrounded by saliva, and under bite pressure. Eight hours a night. For years.

Grown by microbes, not petroleum.

Moses is made from PHA grown through microbial fermentation. Conventional clear retainers are often made from PETG, a petroleum-derived plastic.

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When it wears down, where does it go?

The scratches. The worn edges. The tray you eventually replace. Wear means material is breaking down. We changed the material to change what happens next.

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Unplastic Retainer

A different material

Grown by Microbes. Designed to degrade.

Moses makes the Unplastic Retainer from PHA, a polymer grown by microbes through fermentation. Same custom fit, without the conventional petroleum-plastic tray.

  • Grown through microbial fermentation.
  • Designed to break down into a molecule the body also makes.
  • Biodegradable material. Custom-fit from your dental scan.
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What makes it different

  • Designed to avoid persistent microplastic shedding
  • Material tested at body temperature (37°C)
  • Microbe-grown, no petrochemicals
  • Custom-fit from your dental scan
  • No added plasticizers, colorants or stabilizers
  • Third-party screened for contaminants
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Same routine. A different retainer.

  1. Take the quiz

    Tell us about your retainer. Find out whether Moses is right for you.

  2. We coordinate your scan

    After you order our concierge team helps retrieve your existing dental scan from your current provider.

  3. Your retainer arrives

    Custom-fit from your scan, made without petroleum plastic, and shipped to your door.

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Your body deserves better materials