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.
Who do people search for more?
Gisou and Kérastase are searched for about as often as each other.
Who does AI mention more?
Kérastase, mentioned in 1 of 5 answers, Gisou in 0
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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.
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
See every answer about hair oil brands
5 answers
Asked ChatGPT
“Which hair oil brand should I buy?”
Asked ChatGPT
“What are the best hair oil brands?”
Asked ChatGPT
“What's the best hair oil brand for frizzy hair?”
Searched Google, AI Overview
“hair oil”
Searched Google, AI Overview
“best hair oil”
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.
Share of searches by month for Gisou, Kérastase. The figures are in the table below the chart.
View monthly share of searches table
| Month | Moroccanoil | Gisou | Kérastase | Mielle | Verb | OGX | Olaplex | OUAI | Amika | Briogeo | JVN |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 62.6% | 8.4% | 8.4% | 6.4% | 3.8% | 3.1% | 2.1% | 4.6% | 0.18% | 0.33% | 0.18% |
| Nov 2025 | 60.7% | 12.1% | 8.2% | 5.1% | 3% | 2.4% | 2.4% | 5.5% | 0.14% | 0.26% | 0.21% |
| Dec 2025 | 62.7% | 10.3% | 8.4% | 5.1% | 3.1% | 2.5% | 2.5% | 4.6% | 0.22% | 0.27% | 0.22% |
| Jan 2026 | 60.7% | 8.2% | 8.2% | 7.4% | 3.7% | 3.7% | 3% | 4.5% | 0.22% | 0.32% | 0.26% |
| Feb 2026 | 60.7% | 8.2% | 8.2% | 7.4% | 3.7% | 4.5% | 3% | 3.7% | 0.26% | 0.31% | 0.26% |
| Mar 2026 | 62.9% | 6.9% | 8.5% | 6.3% | 3.8% | 4.6% | 2.5% | 3.8% | 0.27% | 0.27% | 0.22% |
| Apr 2026 | 58.4% | 6.4% | 9.6% | 7.1% | 5.3% | 5.3% | 2.9% | 4.3% | 0.25% | 0.25% | 0.21% |
| May 2026 | 69.9% | 5.1% | 6.3% | 4.7% | 3.4% | 4.2% | 2.3% | 3.4% | 0.24% | 0.2% | 0.17% |
| Jun 2026 | 59.2% | 6.5% | 9.7% | 5.9% | 5.3% | 5.3% | 2.9% | 4.4% | 0.26% | 0.26% | 0.16% |
| Jul 2026 | 55.5% | 9.1% | 11.2% | 5.5% | 5% | 6.1% | 2.7% | 4.1% | 0.24% | 0.24% | 0.2% |
| Aug 2026 | 62.8% | 6.9% | 8.4% | 5.1% | 4.6% | 4.6% | 3.1% | 3.8% | 0.22% | 0.22% | 0.14% |
| Sep 2026 | 60.6% | 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

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

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.
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