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Latest four-week snapshot through 2026-07-23 · 3 waves. Use the controls above to change the window.
Toothpaste · 3 waves · n=360 answers, pooled
How often each assistant brings the brand up in recommendation answers.
| assistant | share of voice | answers |
|---|---|---|
| ChatGPT | 5% | 6 of 120 |
| Claude | 0% | 0 of 120 |
| Gemini | 6% | 7 of 120 |
Wave-by-wave share of recommendation answers that named this brand.
| wave | share of voice | answers | change |
|---|---|---|---|
| 2026-07-21 | 3% | 3 of 120 | |
| 2026-07-22 | 2% | 2 of 120 | -1 points |
| 2026-07-23 | 7% | 8 of 120 | +5 points |
Recurring descriptions in the assistants' own words, grouped by theme.
“Skip charcoal toothpaste for whitening: the ADA says there isn't sufficient evidence that charcoal oral-care products provide measurable, safe whitening benefit.”
“**Avoid Charcoal Toothpaste:** While highly marketed, charcoal toothpaste is often highly abrasive.”
“Over time, it can scrub away your protective enamel, exposing the yellow dentin underneath and making your teeth look *more* yellow, while also increasing sensitivity.”
“Skip charcoal toothpaste for whitening: the ADA says there isn't sufficient evidence that charcoal oral-care products provide measurable, safe whitening benefit.”
“Avoid Charcoal Toothpaste: While trendy for whitening, active charcoal is highly abrasive. Over time, it can permanently scratch and wear down your tooth enamel.”
“Over time, it can scrub away your protective enamel, exposing the yellow dentin underneath and making your teeth look *more* yellow, while also increasing sensitivity.”
“- **Surface coffee/tea stains:** an ADA-Seal **whitening** fluoride toothpaste, such as **Colgate Total SF Whitening** or **Crest Pro-Health Whitening**.”
“Avoid charcoal toothpaste as your whitening strategy; the ADA says evidence is insufficient to show it whitens safely and effectively.”
13 exact quoted mentions in this snapshot, grouped by coded tone.
“Avoid charcoal toothpaste: the ADA says evidence is insufficient for safe, effective whitening with charcoal products.”
“Avoid charcoal toothpaste as your whitening strategy; the ADA says evidence is insufficient to show it whitens safely and effectively.”
“Skip charcoal toothpaste as a whitening strategy—there isn't sufficient evidence that it safely and measurably whitens teeth.”
“Skip charcoal toothpaste for whitening—there isn't sufficient evidence that it safely and effectively whitens teeth.”
“Avoid Charcoal Toothpaste: While trendy for whitening, active charcoal is highly abrasive. Over time, it can permanently scratch and wear down your tooth enamel.”
0 of 10 mentions appear alongside an identifiable web citation. Citation does not establish causation.
| cited source | mentions |
|---|
Method: fixed shopper questions asked repeatedly to Claude, OpenAI GPT and Gemini with web search on. Shares are the percentage of recommendation answers mentioning the brand. Quotes are AI outputs; full transcripts are kept as receipts.