Tooth powder is the older format: a dry mix you pick up on a damp brush, often built on calcium carbonate, baking soda, or clay. Some people like the short ingredient list. The trade-offs are abrasivity that’s rarely published, uneven doses, and a jar the whole household dips into.
One+ is a paste with a published RDA of 62, 10% nano + micro hydroxyapatite, and no SLS. Whatever format you choose, ask the brand for its RDA and check whether it contains fluoride or hydroxyapatite.
It can be. In one lab comparison, three tooth powders roughened a test surface significantly more than three pastes, which the authors linked to larger abrasive particles. The surface was acrylic, not teeth, and a dipped brush picks up a different amount every time.
Many tooth powders are fluoride-free. If cavity protection matters to you, look for a named active ingredient, and ask your dentist if your cavity risk is high.
Dipping a wet brush into a jar adds moisture, and everyone’s brush goes into the same container. Shaking a little onto the brush avoids both.
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RDA 62, 10% nano + micro hydroxyapatite, fluoride-free, and no SLS.
A literature review found too little clinical and lab data to support the safety and efficacy claims made for charcoal dentifrices. Our charcoal toothpaste guide covers the details.
Baking soda is a low-abrasion cleaning agent used in many toothpastes. On its own it tastes salty and has no fluoride or hydroxyapatite. One+ is baking-soda-free.
That depends on its abrasivity, which often isn’t published. A paste with a published, lower RDA is more predictable for exposed roots and sensitivity. See low-abrasive toothpaste.
Homemade mixes have unknown abrasivity and no tested active ingredient. If you want a short list, choose a product that publishes its full formula and RDA.
Any time. Use a pea-sized amount, brush for two minutes, and spit.
