The direct answer: read a tooth powder label for three things, abrasives that are too harsh, fillers that pad the jar, and vague flavoring, and you will filter most of the market in thirty seconds. A trustworthy label is short, specific, and names its sources. This is how we read labels as makers, and it works on ours too.
Abrasives that are too harsh
The abrasive is the working heart of a powder, and it is also where damage lives. Be cautious with unspecified charcoal powders, gritty mineral abrasives with no particle size information, and anything that feels sandy rather than silky between two fingers. Enamel does not grow back, and a daily product should sit at the gentle end of the spectrum, the territory of soft clays like kaolin.
Fillers that pad the jar
If the first ingredient is a cheap bulk base and the marquee ingredients sit at the bottom of the list, you are buying filler. Watch for jars that are mostly plain baking soda or a generic unnamed clay while the label leads with an exotic ingredient present in a pinch. Ingredient lists are ordered by quantity. Read them bottom up and ask what you are actually paying for. Percentages, where a maker states them, are the honest tell. This is the same skepticism we apply to actives in not all hydroxyapatite is equal.
Vague flavoring and vague everything
Natural flavors with no further detail is a label shrug. A maker who knows the origin of an ingredient will usually tell you, because sourcing is expensive and worth bragging about. No origins, no species, no percentages usually means no answers worth having.
What a good label looks like
Short, named, and located. Every ingredient identified specifically, origins stated, and the headline active given as a percentage. That is the standard we hold our own seven ingredient label to, and you should hold every maker to it, including us.
The honest caveat
- A short list is not automatically a good list. Grind, grade, and dose matter as much as the names.
- Categories can hide quality differences. Two jars listing the same clay can behave very differently.
- No label reading substitutes for how a product actually behaves in your mouth over weeks.
This is a cosmetic product. It is not a substitute for professional dental care.