Crest 3D White vs Hismile:Which is more popular in New Zealand?
In October 2026, Hismile had more branded searches than Crest 3D White among teeth whitening brands in New Zealand. Hismile had about 4,160 branded searches, while Crest 3D White had 1,800. Hismile made up 39% of all teeth whitening brand searches we track, and Crest 3D White accounted for 16.9%. When we asked ChatGPT and Google AI Overviews about teeth whitening brands, Hismile appeared in four of the five answers and Crest 3D White in none.
Who do people search for more?
Hismile, about 2 searches for every 1 for Crest 3D White
Who does AI mention more?
Hismile, mentioned in 4 of 5 answers, Crest 3D White in 0
Who does AI recommend more?
Hismile, the only one of the two named
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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 four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Crest 3D White did not appear in any of the five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Hismile4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Colgate Optic White3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Opalescence1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Crest 3D White0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
White Glo0 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 brand should I buy in New Zealand?”
Asked ChatGPT
“What are the best teeth whitening brands in New Zealand?”
Asked ChatGPT
“What's the best teeth whitening brand in New Zealand for whiter teeth?”
Searched Google, AI Overview
“best teeth whitening”
Searched Google, AI Overview
“whitening strips nz”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in New Zealand on October 21, 2026.
Is Crest 3D White or Hismile more popular in search?
This chart shows how often people search Google for Crest 3D White and Hismile by name. Each line represents a brand's share of searches for all five teeth whitening brands we track, month by month, from searches in New Zealand.
Share of searches by month for Hismile, Crest 3D White. The figures are in the table below the chart.
View monthly share of searches table
| Month | Hismile | Colgate Optic White | Crest 3D White | Opalescence | White Glo |
|---|---|---|---|---|---|
| Nov 2025 | 70.2% | 8.9% | 11.3% | 6.6% | 3.1% |
| Dec 2025 | 63.3% | 12.1% | 14.2% | 6.5% | 4% |
| Jan 2026 | 46.7% | 16.4% | 23.2% | 8.7% | 5% |
| Feb 2026 | 46.4% | 17.5% | 20.9% | 10.2% | 4.9% |
| Mar 2026 | 53.7% | 16.7% | 16.4% | 9.6% | 3.6% |
| Apr 2026 | 52% | 16.8% | 16.2% | 10.5% | 4.5% |
| May 2026 | 69.1% | 11.6% | 10% | 6.3% | 3.1% |
| Jun 2026 | 60.6% | 14.6% | 12.4% | 8.6% | 3.8% |
| Jul 2026 | 58.8% | 17% | 14.2% | 7.1% | 2.9% |
| Aug 2026 | 49.7% | 30.9% | 10.7% | 5.9% | 2.8% |
| Sep 2026 | 52.7% | 24.5% | 12% | 7.1% | 3.8% |
| Oct 2026 | 39% | 29.8% | 16.9% | 9% | 5.4% |
How has branded search for Crest 3D White and Hismile changed in New Zealand over the last 12 months?
3 findings
- Hismile was ahead of Crest 3D White in every measured month of the 12 months ending October 2026.
- Across the 12 months ending October 2026, Crest 3D White’s share of searches among teeth whitening brands in New Zealand moved from 11.3% to 16.9%, and its estimated monthly branded searches moved from 1.4K to 1.8K.
- Across the 12 months ending October 2026, Hismile’s share of searches among teeth whitening brands in New Zealand moved from 70.2% to 39%, and its estimated monthly branded searches moved from 8.5K to 4.2K.
How did search popularity change for New Zealand teeth whitening brands in October 2026?
2 changes
In October 2026, Crest 3D White gained share of searches among teeth whitening brands in New Zealand, from 12% to 16.9%.
In October 2026, Hismile lost share of searches among teeth whitening brands in New Zealand, from 52.7% to 39%.
How are Crest 3D White’s and Hismile’s branded searches counted?
14 search terms
Brandwave collects information about searches that people make online using Crest 3D White’s and Hismile’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.
Crest 3D White
3 branded search terms
- crest 3d white
- crest 3d white atrips
- crest whitening strips
Hismile
11 branded search terms
- hi smile
- hi smile mouthwash
- hi smile stripes
- hi smile toothbrush
- hismile
- hismile mouthwash
- hismile strip
- hismile teeth whitening
- hismile toothbrush
- hismile whitening
- hismile whitening kit
Other head-to-heads among teeth whitening brands
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