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Original Whitening nHa Toothpaste

Plastic-free ● Fluoride-free ● SLS-Free

4.9
Rated 4.9 out of 5 stars
221 Reviews

Our signature tablet toothpaste features clean ingredients tested to be both safe and effective— including nano-Hydroxyapatite (nHa) for its remineralizing and plaque-fighting properties, as well as vitamins C + E to support periodontal health while soothing and restoring your gums. 

  • Naturally whitens without peroxides
  • Reduces tooth sensitivity without numbing agents
  • Dentist formulated for a healthy oral microbiome 
Your subcription will include 1 glass printed bottle that holds 62 tablets + compostable refill pouches.

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Inside the tablet

nano-hydroxyapatite
remineralizes teeth
xylitol (birch extract)
promotes saliva production
calcium carbonate
natural polish
sodium bicarbonate
natural polish
cellulose
provides structure to tablets
xanthan gum
protects against dry mouth
magnesium stearate
vegetable-derived powder lubricant
hydrated silica
natural polish
menthol
cooling, soothing sensation
natural flavor
peppermint, wintergreen, spearmint
vitamin C, vitamin E
gum health

A higher standard

Naturally whitening
Anti-sensitivity
Sustainable + vegan
Hydrating, silky foam
Travel-friendly + mess-free

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Vegan

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SLS-Free

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Dentist Created

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Cruelty-free

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Non-Toxic

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Fluoride-free

“What you brush 
with matters.”

Tooth enamel cannot repair itself from within, which means your toothpaste has an important job to do. We packed Duo with proven ingredients like nHa to remineralize teeth and promote vibrant oral health. Developed by dentists, better for everyone.

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Dr. Stevie Roberts, DMD

Dr. Robert Johnson, DMD, MD

Clean Ingredients

Fluoride-free tablet toothpaste that strengthens & whitens teeth, reduces sensitivity without numbing agents and supports the oral microbiome.

Nano-hydroxyapatite

A dentist-backed fluoride alternative that whitens and remineralizes enamel.

Vitamins C + E

Synergistic antioxidants that support periodontal health and soothe and restore gums

Learn more about the science

How to brush with Duo tablet toothpaste

Crush a tablet between your teeth

Wet your toothbrush

Brush to activate foam

Rinse and smile

Plastic-free toothpaste made easy

Save up to 33% and lower your carbon footprint with subscription refills (in compostable pouches) delivered right on time.

ORDER YOUR REFILLS or build a custom bundle

Reviews

4.9
Rated 4.9 out of 5 stars
Based on 221 reviews
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221 reviews
  • KH
    Kate H.
    Verified Buyer
    Energy
    Reviewing
    Energy
    I recommend this product
    Rated 5 out of 5 stars
    6 minutes ago
    Loving it!

    Have been using this product for about a month and am loving the bright taste and eco friendly packaging ❤️

    Was this helpful?
  • R
    Rosalind
    Sleep
    Reviewing
    Sleep
    I recommend this product
    Rated 5 out of 5 stars
    4 days ago
    5 Stars

    Love these

    Was this helpful?
  • PR
    Paula R.
    Verified Buyer
    Immunity
    Reviewing
    Immunity
    I recommend this product
    Rated 5 out of 5 stars
    1 week ago
    Great product!

    The idea of supplements and tooth cleaning in one is genius! These tablets really taste great, work great, and make my mouth feel fresh and clean. I love that it's a gentle but thicker foam, and they definitely get foamy! I'm a fan for life.

    Was this helpful?
  • A
    Angela
    Energy
    Reviewing
    Energy
    I recommend this product
    Rated 5 out of 5 stars
    1 week ago
    5 Stars

    Gets me going in the morning

    Was this helpful?
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