Our take
Why We Trust This Brand
Uncle Harry's uses a simple, mineral-based, fluoride-free and SLS-free formula and has been family-run since 1991, now by the founder's children. There is no corporate parent and no outside investors steering the brand.
What's inside
Ingredients & Safety
Mineral clays, sea salt, and ionic minerals deliver calcium, magnesium, and phosphorus to support enamel, with colloidal silver and a blend of peppermint, eucalyptus, clove, and wintergreen essential oils. No fluoride, SLS, or synthetic sweeteners.
Certifications
A couple to know — 1 ingredient we flag:
Clove Oil — sometimes listed as Eugenia Caryophyllus Oil
Natural antimicrobial but potent skin sensitizer at higher concentrations.
Full Ingredient List
- Bentonite Clay also listed as Montmorillonite
- Calcium Carbonate
- Colloidal Silver Water
- Sea Salt
- Ionic Minerals
- Peppermint Oil
- Eucalyptus Oil
- Clove Oil also listed as Eugenia Caryophyllus Oil Watch
Prefer a spotless pick? Davids in Oral Care is Clean Verified — every ingredient clean, with no recalls or lawsuits on record.
Who owns it
Ownership & Independence
Uncle Harry's Natural Products is a privately held, family-owned business in Redmond, Washington. Founder Harry Terhanian has retired and his grown children now run it, with Subhadra Terhanian as CEO. No corporate parent.
Where to buy
Key Products
- Peppermint Remineralizing Toothpaste View on Amazon →
- Mild Mint Remineralizing Toothpaste View on Amazon →
- Natural Tooth Powder View on Amazon →
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