Brandwave

How popular isListerine?

In October 2026, people searched for Listerine by name about 2,160 times in New Zealand, a 51% increase from the previous year. These searches made up 9.5% of all New Zealand oral care brand searches, placing Listerine fifth out of nine brands. When we asked both ChatGPT and Google AI Overviews about oral care brands, Listerine appeared in one of the five answers and was the fourth most recommended of the nine.

Search and AI answers in October 2026

Listerine is the fifth most searched of 9 competitors and the fourth most recommended in the AI answers we collected.

  1. ColgateShare of searches 24.4%Mentioned in 5 of 5 AI answersPlace in AI recommendations 1st
  2. SensodyneShare of searches 21.5%Mentioned in 4 of 5 AI answersPlace in AI recommendations 2nd
  3. Philips SonicareShare of searches 19.3%Mentioned in 1 of 5 AI answersPlace in AI recommendations 7th
  4. Oral-BShare of searches 11.5%Mentioned in 4 of 5 AI answersPlace in AI recommendations 3rd
  5. ListerineShare of searches 9.5%Mentioned in 1 of 5 AI answersPlace in AI recommendations 4th

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Top oral care brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Listerine was mentioned in one out of five: not in any of the three ChatGPT answers, but in one of the two Google AI Overviews. Listerine is the fourth most recommended of the nine.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Colgate1st
  2. Sensodyne2nd
  3. Oral-B3rd
  4. Listerine4th
  5. Grin Natural5th
  6. Macleans6th
  7. Philips Sonicare7th
  8. Waterpik–
  9. 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

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.

How often do people search for Listerine compared with other New Zealand oral care brands?

Listerine against oral care brands in New Zealand, by month

Share of searches by month for Colgate, Sensodyne, Philips Sonicare, Oral-B, Listerine, Waterpik, Grin Natural. The figures are in the table below the chart.

View monthly share of searches table
MonthColgateSensodynePhilips SonicareOral-BListerineWaterpikGrin NaturalMacleansCorsodyl
Nov 202522.4%14.5%18.3%14%10.1%13.4%4.9%1.8%0.7%
Dec 202527.7%13.8%15.7%12.3%9.5%14.9%4.3%1.1%0.74%
Jan 202628%17%15.4%12.4%10.8%8.5%5.2%1.6%1%
Feb 202626.1%19.6%14.6%12%10.4%9.5%5.4%1.2%1.2%
Mar 202628.5%19.1%14.7%11.9%10.4%8%4.7%1.7%0.99%
Apr 202627.8%21%15.7%10.9%10.1%7.8%4.6%1.1%0.9%
May 202627.3%21%16%11.1%10.6%7%5%1.3%0.65%
Jun 202625.4%22.1%16.2%11%10.7%7.4%5.3%1.3%0.57%
Jul 202625.1%25.9%17.7%10%9.8%5%4.3%1.5%0.6%
Aug 202625.1%23.5%18.3%10.2%10%6.3%4.7%1.3%0.53%
Sep 202625.5%21.3%17.5%12.3%9.3%6.7%5.4%1.1%0.67%
Oct 202624.4%21.5%19.3%11.5%9.5%7.1%5%1.2%0.35%

  1. 1.Colgate

    24.4%

    Held 1st. 5.5K estimated branded searches, +12.2% vs prior month. Share -1.1 points.

  2. 2.Sensodyne

    21.5%

    Held 2nd. 4.9K estimated branded searches, +18.5% vs prior month. Share +0.2 points.

  3. 3.Philips Sonicare

    19.3%

    Held 3rd. 4.4K estimated branded searches, +29.3% vs prior month. Share +1.8 points.

  4. 4.Oral-B

    11.5%

    Held 4th. 2.6K estimated branded searches, +9.7% vs prior month. Share -0.8 points.

  5. 5.Listerine

    9.5%

    Held 5th. 2.2K estimated branded searches, +20.7% vs prior month. Share +0.3 points.

  6. 6.Waterpik

    7.1%

    Held 6th. 1.6K estimated branded searches, +23.1% vs prior month. Share +0.3 points.

  7. 7.Grin Natural

    5%

    Held 7th. 1.1K estimated branded searches, +9.6% vs prior month. Share -0.4 points.

  8. 8.Macleans

    1.2%

    Held 8th. 280 estimated branded searches, +27.3% vs prior month. Share +0.1 points.

  9. 9.Corsodyl

    0.35%

    Held 9th. 80 estimated branded searches, -38.5% vs prior month. Share -0.3 points.

Compare popularity between Listerine and its closest rivals

Every comparison with Listerine

8 comparisons

How has branded search demand for Listerine changed in New Zealand over the last 12 months?

4 findings
  • Across the 12 months ending October 2026, estimated monthly branded searches for Listerine in New Zealand rose from 1.4K to 2.2K.
  • Across the 12 months ending October 2026, Listerine’s share of searches among oral care brands in New Zealand decreased from 10.1% to 9.5%.
  • Across the 12 months ending October 2026, Listerine’s share of searches among oral care brands in New Zealand peaked at 10.8% in January 2026 and was lowest at 9.3% in September 2026.
  • Across the 12 months ending October 2026, Listerine rose from 6th to 5th among oral care brands in New Zealand.

How did search popularity change for New Zealand oral care brands in October 2026?

6 changes

  1. In October 2026, Philips Sonicare gained share of searches among oral care brands in New Zealand, from 17.5% to 19.3%.

  2. In October 2026, Colgate lost share of searches among oral care brands in New Zealand, from 25.5% to 24.4%.

  3. In October 2026, Oral-B lost share of searches among oral care brands in New Zealand, from 12.3% to 11.5%.

  4. 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.

  5. Estimated monthly branded searches for Sensodyne in New Zealand rose 136.4% over 12 measured months, from 2.1K to 4.9K in October 2026.

  6. Estimated monthly branded searches for Grin Natural in New Zealand rose 65.2% over 12 measured months, from 690 to 1.1K in October 2026.

How are Listerine’s branded searches counted?

16 search terms

Brandwave collects information about searches that people make online using Listerine’s name. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brand is growing, holding steady, or fading.

  • antiseptic listerine mouthwash
  • listerine
  • listerine antiseptic mouthwash
  • listerine antiseptic mouthwash original
  • listerine cool mint
  • listerine gold mouthwash
  • listerine mint cool
  • listerine mouthwash
  • listerine mouthwash original
  • listerine mouthwash zero
  • listerine original
  • listerine pocketpaks
  • listerine tabs
  • listerine total care
  • listerine zero
  • listerine zero mouthwash

Do you work for Listerine? To request corrections or removal please contact us via our support page and we will be happy to assist.

How the Brand Demand Index is measured

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