Brandwave

Gisou vs Kérastase:Which is more popular?

In September 2026, Gisou and Kérastase were level in searches among hair oil brands worldwide, with an estimated 49.5K branded searches each, at 8.2% of the total each. When we asked ChatGPT and Google AI Overviews about hair oil brands, Kérastase appeared in one of the five answers and Gisou in none.

Among hair oil brands worldwide in September 2026

Who do people search for more?

Gisou and Kérastase are searched for about as often as each other.

Gisou 49.5K searchesKérastase 49.5K searches

Who does AI mention more?

Kérastase, mentioned in 1 of 5 answers, Gisou in 0

Kérastase in 1 of 5Gisou in 0 of 5

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Top hair oil brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Kérastase was mentioned in one out of five: in one of the three ChatGPT answers, but not in either of the two Google AI Overviews. Gisou 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.

  1. Moroccanoil1st
  2. Mielle2nd
  3. Olaplex3rd
  4. Kérastase4th
  5. Verb5th
  6. Gisou–
  7. OGX–
  8. OUAI–
  9. Amika–
  10. Briogeo–
  11. +1 more

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • Moroccanoil5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Mielle4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Olaplex3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Kérastase1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Verb1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Gisou0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • OGX0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • OUAI0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Amika0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Briogeo0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

+1 more

See every answer about hair oil brands

5 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in the United States on October 22, 2026.

Is Gisou or Kérastase more popular in search?

This chart shows how often people search Google for Gisou and Kérastase by name. Each line represents a brand's share of searches for all 11 hair oil brands we track, month by month, from English-language searches worldwide.

Gisou and Kérastase among hair oil brands worldwide, by month

Share of searches by month for Gisou, Kérastase. The figures are in the table below the chart.

View monthly share of searches table
MonthMoroccanoilGisouKérastaseMielleVerbOGXOlaplexOUAIAmikaBriogeoJVN
Oct 202562.6%8.4%8.4%6.4%3.8%3.1%2.1%4.6%0.18%0.33%0.18%
Nov 202560.7%12.1%8.2%5.1%3%2.4%2.4%5.5%0.14%0.26%0.21%
Dec 202562.7%10.3%8.4%5.1%3.1%2.5%2.5%4.6%0.22%0.27%0.22%
Jan 202660.7%8.2%8.2%7.4%3.7%3.7%3%4.5%0.22%0.32%0.26%
Feb 202660.7%8.2%8.2%7.4%3.7%4.5%3%3.7%0.26%0.31%0.26%
Mar 202662.9%6.9%8.5%6.3%3.8%4.6%2.5%3.8%0.27%0.27%0.22%
Apr 202658.4%6.4%9.6%7.1%5.3%5.3%2.9%4.3%0.25%0.25%0.21%
May 202669.9%5.1%6.3%4.7%3.4%4.2%2.3%3.4%0.24%0.2%0.17%
Jun 202659.2%6.5%9.7%5.9%5.3%5.3%2.9%4.4%0.26%0.26%0.16%
Jul 202655.5%9.1%11.2%5.5%5%6.1%2.7%4.1%0.24%0.24%0.2%
Aug 202662.8%6.9%8.4%5.1%4.6%4.6%3.1%3.8%0.22%0.22%0.14%
Sep 202660.6%8.2%8.2%5.9%5.5%3.7%3.7%3.7%0.31%0.26%0.16%

How has the Gisou and Kérastase comparison changed over the last 12 months?

3 findings
  • The lead changed hands once in the 12 months ending September 2026: Kérastase took it in March 2026.
  • Across the 12 months ending September 2026, Gisou’s share of searches among hair oil brands worldwide moved from 8.4% to 8.2%, and its estimated monthly branded searches moved from 60.5K to 49.5K.
  • Across the 12 months ending September 2026, Kérastase’s share of searches among hair oil brands worldwide moved from 8.4% to 8.2%, and its estimated monthly branded searches moved from 60.5K to 49.5K.

How did search popularity change for hair oil brands worldwide in September 2026?

2 changes
  1. In September 2026, Gisou overtook Kérastase to rank 2nd among hair oil brands worldwide, with 8.2% of the searches.

  2. Estimated monthly branded searches for Kérastase worldwide fell 18.2% over 12 measured months, from 60.5K to 49.5K in September 2026.

How are branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using Gisou’s and Kérastase’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.

Gisou

1 branded search term

  • gisou hair oil

Kérastase

1 branded search term

  • kerastase elixir ultime

How the Brand Demand Index is measured

Other head-to-heads among hair oil brands

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