Hismile vs Opalescence:Which is more popular?
In September 2026, Hismile had more branded searches than Opalescence among teeth whitening brands in Australia. Hismile had about 18,100 branded searches, while Opalescence had 1,300. Hismile made up 57.1% of all teeth whitening brand searches we track, and Opalescence accounted for 4.1%. When we asked ChatGPT and Google AI Overviews about teeth whitening brands, Hismile appeared in two of the five answers and Opalescence in none.
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Top teeth whitening brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Hismile was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. Opalescence did not appear in any of the five answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Hismile2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Colgate Optic White1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
White Glo1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Opalescence0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about teeth whitening brands
5 answers
Asked ChatGPT
“Which teeth whitening product should I use at home in Australia?”
Asked ChatGPT
“What are the best teeth whitening brands in Australia?”
Asked ChatGPT
“What are the best teeth whitening strips for sensitive teeth?”
Searched Google, AI Overview
“teeth whitening”
Searched Google, AI Overview
“teeth whitening strips”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in Australia on October 26, 2026.
Is Hismile or Opalescence more popular in search?
This chart shows how often people search Google for Hismile and Opalescence by name. Each line represents a brand's share of searches for all four teeth whitening brands we track, month by month, from searches in Australia.
Share of searches by month for Hismile, Opalescence. The figures are in the table below the chart.
View monthly share of searches table
| Month | Hismile | Colgate Optic White | White Glo | Opalescence |
|---|---|---|---|---|
| Oct 2025 | 72.8% | 17.7% | 6.2% | 3.3% |
| Nov 2025 | 87.1% | 7.7% | 3.3% | 1.8% |
| Dec 2025 | 77.7% | 12.6% | 6.6% | 3.1% |
| Jan 2026 | 71.3% | 17.3% | 7.5% | 3.9% |
| Feb 2026 | 72.5% | 17.6% | 6.4% | 3.5% |
| Mar 2026 | 76% | 15.1% | 5.5% | 3.4% |
| Apr 2026 | 71.3% | 17.3% | 7.5% | 3.9% |
| May 2026 | 64.1% | 23.4% | 8.2% | 4.3% |
| Jun 2026 | 68.6% | 20.5% | 7.2% | 3.8% |
| Jul 2026 | 64.9% | 23.7% | 6.8% | 4.7% |
| Aug 2026 | 44.4% | 44.4% | 7.2% | 3.9% |
| Sep 2026 | 57.1% | 31.2% | 7.6% | 4.1% |
How has the Hismile and Opalescence comparison changed over the last 12 months?
3 findings
- Hismile was ahead of Opalescence in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Hismile’s share of searches among teeth whitening brands in Australia moved from 72.8% to 57.1%, and its estimated monthly branded searches moved from 22.2K to 18.1K.
- Across the 12 months ending September 2026, Opalescence’s share of searches among teeth whitening brands in Australia moved from 3.3% to 4.1%, and its estimated monthly branded searches moved from 1K to 1.3K.
How did search popularity change for Australia teeth whitening brands in September 2026?
2 changes
In September 2026, Hismile overtook Colgate Optic White to become the leader among teeth whitening brands in Australia, with 57.1% of the searches.
Estimated monthly branded searches for Opalescence in Australia rose 30% over 12 measured months, from 1K to 1.3K in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Hismile’s and Opalescence’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
Hismile
1 branded search term
- hismile
Opalescence
1 branded search term
- opalescence
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