Corsodyl vs Waterpik:Which is more popular in New Zealand?
In October 2026, Waterpik had more branded searches than Corsodyl among oral care brands in New Zealand. Waterpik had about 1,600 branded searches, while Corsodyl had 80. Waterpik made up 7.1% of all oral care brand searches we track, and Corsodyl accounted for 0.35%. When we asked ChatGPT and Google AI Overviews about oral care brands, neither Corsodyl nor Waterpik appeared in any of the five answers.
Who do people search for more?
Waterpik, about 20 searches for every 1 for Corsodyl
Who does AI mention more?
Both were mentioned in 0 of 5 answers.
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Top oral care brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, neither Corsodyl nor Waterpik showed up in any of the five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Colgate1st
Sensodyne2nd
Oral-B3rd
Listerine4th
Grin Natural5th
Macleans6th
Philips Sonicare7th- Waterpik–
Corsodyl–
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Colgate5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Sensodyne4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Oral-B4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Grin Natural2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Macleans2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Philips Sonicare1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Listerine1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Waterpik0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Corsodyl0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about oral care brands
5 answers
Asked ChatGPT
“Which oral care brand should I buy in New Zealand?”
Asked ChatGPT
“What are the best oral care brands in New Zealand?”
Asked ChatGPT
“What's the best oral care brand in New Zealand for daily oral hygiene?”
Searched Google, AI Overview
“toothpaste nz”
Searched Google, AI Overview
“mouthwash brand”
Brands are shown in the order each answer named them. The survey took place in New Zealand on October 21, 2026.
Is Corsodyl or Waterpik more popular in search?
This chart shows how often people search Google for Corsodyl and Waterpik by name. Each line represents a brand's share of searches for all nine oral care brands we track, month by month, from searches in New Zealand.
Share of searches by month for Waterpik, Corsodyl. The figures are in the table below the chart.
View monthly share of searches table
| Month | Colgate | Sensodyne | Philips Sonicare | Oral-B | Listerine | Waterpik | Grin Natural | Macleans | Corsodyl |
|---|---|---|---|---|---|---|---|---|---|
| Nov 2025 | 22.4% | 14.5% | 18.3% | 14% | 10.1% | 13.4% | 4.9% | 1.8% | 0.7% |
| Dec 2025 | 27.7% | 13.8% | 15.7% | 12.3% | 9.5% | 14.9% | 4.3% | 1.1% | 0.74% |
| Jan 2026 | 28% | 17% | 15.4% | 12.4% | 10.8% | 8.5% | 5.2% | 1.6% | 1% |
| Feb 2026 | 26.1% | 19.6% | 14.6% | 12% | 10.4% | 9.5% | 5.4% | 1.2% | 1.2% |
| Mar 2026 | 28.5% | 19.1% | 14.7% | 11.9% | 10.4% | 8% | 4.7% | 1.7% | 0.99% |
| Apr 2026 | 27.8% | 21% | 15.7% | 10.9% | 10.1% | 7.8% | 4.6% | 1.1% | 0.9% |
| May 2026 | 27.3% | 21% | 16% | 11.1% | 10.6% | 7% | 5% | 1.3% | 0.65% |
| Jun 2026 | 25.4% | 22.1% | 16.2% | 11% | 10.7% | 7.4% | 5.3% | 1.3% | 0.57% |
| Jul 2026 | 25.1% | 25.9% | 17.7% | 10% | 9.8% | 5% | 4.3% | 1.5% | 0.6% |
| Aug 2026 | 25.1% | 23.5% | 18.3% | 10.2% | 10% | 6.3% | 4.7% | 1.3% | 0.53% |
| Sep 2026 | 25.5% | 21.3% | 17.5% | 12.3% | 9.3% | 6.7% | 5.4% | 1.1% | 0.67% |
| Oct 2026 | 24.4% | 21.5% | 19.3% | 11.5% | 9.5% | 7.1% | 5% | 1.2% | 0.35% |
How has branded search for Corsodyl and Waterpik changed in New Zealand over the last 12 months?
3 findings
- Waterpik was ahead of Corsodyl in every measured month of the 12 months ending October 2026.
- Across the 12 months ending October 2026, Corsodyl’s share of searches among oral care brands in New Zealand moved from 0.7% to 0.35%, and its estimated monthly branded searches moved from 100 to 80.
- Across the 12 months ending October 2026, Waterpik’s share of searches among oral care brands in New Zealand moved from 13.4% to 7.1%, and its estimated monthly branded searches moved from 1.9K to 1.6K.
How did search popularity change for New Zealand oral care brands in October 2026?
2 changes
Waterpik’s share of searches among oral care brands in New Zealand has gained ground for 3 months in a row, from 5% to 7.1% in October 2026.
Estimated monthly branded searches for Corsodyl in New Zealand fell 20% over 12 measured months, from 100 to 80 in October 2026.
How are Corsodyl’s and Waterpik’s branded searches counted?
10 search terms
Brandwave collects information about searches that people make online using Corsodyl’s and Waterpik’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.
Other head-to-heads among oral care brands
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