K18 vs Kristin Ess:Which is more popular?
In October 2026, K18 had more branded searches than Kristin Ess among purple shampoo brands worldwide. K18 had about 9,900 branded searches, while Kristin Ess had 2,400. K18 made up 10.8% of all purple shampoo brand searches we track, and Kristin Ess accounted for 2.6%. When we asked ChatGPT and Google AI Overviews about purple shampoo brands, neither K18 nor Kristin Ess appeared in any of the five answers.
Who do people search for more?
K18, about 4 searches for every 1 for Kristin Ess
Who does AI mention more?
Both were mentioned in 0 of 5 answers.
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Top purple shampoo brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, neither K18 nor Kristin Ess 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.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Olaplex4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Amika3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Redken2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers- Fanola1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Matrix1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Pureology1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Clairol0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers- K180 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Joico0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers- Kristin Ess0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about purple shampoo brands
5 answers
Asked ChatGPT
“Which purple shampoo should I use?”
Asked ChatGPT
“What are the best purple shampoo brands?”
Asked ChatGPT
“What's the best purple shampoo for brassy blonde hair?”
Searched Google, AI Overview
“purple shampoo”
Searched Google, AI Overview
“best purple shampoo”
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 25, 2026.
Is K18 or Kristin Ess more popular in search?
This chart shows how often people search Google for K18 and Kristin Ess by name. Each line represents a brand's share of searches for all ten purple shampoo brands we track, month by month, from English-language searches worldwide.
Share of searches by month for K18, Kristin Ess. The figures are in the table below the chart.
View monthly share of searches table
| Month | Fanola | Olaplex | Clairol | K18 | Redken | Joico | Amika | Matrix | Kristin Ess | Pureology |
|---|---|---|---|---|---|---|---|---|---|---|
| Nov 2025 | 35.9% | 14.4% | 14.4% | 0.31% | 11.8% | 6.4% | 5.2% | 5.2% | 2.8% | 3.5% |
| Dec 2025 | 36.1% | 14.5% | 14.5% | 0.31% | 11.8% | 6.4% | 5.3% | 5.3% | 2.3% | 3.5% |
| Jan 2026 | 34.5% | 14.9% | 14.9% | 0.39% | 12.2% | 6.6% | 5.4% | 5.4% | 2.9% | 2.9% |
| Feb 2026 | 35.7% | 15.4% | 15.4% | 0.33% | 10.3% | 6.9% | 5.6% | 4.5% | 3% | 3% |
| Mar 2026 | 35.4% | 15.3% | 12.5% | 3% | 10.3% | 6.8% | 5.6% | 5.6% | 2.4% | 3% |
| Apr 2026 | 29.9% | 12.9% | 10.6% | 15.8% | 8.7% | 5.8% | 4.7% | 3.8% | 5.8% | 2% |
| May 2026 | 26.7% | 14.1% | 11.6% | 21.2% | 9.5% | 5.2% | 3.4% | 4.2% | 1.8% | 2.3% |
| Jun 2026 | 30.6% | 13.2% | 10.8% | 16.2% | 10.8% | 5.9% | 3.9% | 3.9% | 2.1% | 2.6% |
| Jul 2026 | 29.7% | 12.8% | 10.5% | 19.2% | 10.5% | 5.7% | 3.8% | 3.8% | 2% | 2% |
| Aug 2026 | 29.7% | 13.7% | 13.7% | 13.7% | 9.2% | 6.1% | 5% | 4.1% | 2.2% | 2.7% |
| Sep 2026 | 27.5% | 15.6% | 12.7% | 12.7% | 10.4% | 6.9% | 4.6% | 4.6% | 2.4% | 2.4% |
| Oct 2026 | 27% | 16.2% | 13.2% | 10.8% | 10.8% | 7.2% | 4.8% | 4.8% | 2.6% | 2.6% |
How has branded search for K18 and Kristin Ess changed worldwide over the last 12 months?
3 findings
- The lead changed hands once in the 12 months ending October 2026: K18 took it in March 2026.
- Across the 12 months ending October 2026, K18’s share of searches among purple shampoo brands worldwide moved from 0.31% to 10.8%, and its estimated monthly branded searches moved from 210 to 9.9K.
- Across the 12 months ending October 2026, Kristin Ess’ share of searches among purple shampoo brands worldwide moved from 2.8% to 2.6%, and its estimated monthly branded searches moved from 1.9K to 2.4K.
How did search popularity change for purple shampoo brands worldwide in October 2026?
2 changes
In October 2026, K18 lost share of searches among purple shampoo brands worldwide, from 12.7% to 10.8%.
Kristin Ess’ share of searches among purple shampoo brands worldwide has gained ground for 3 months in a row, from 2% to 2.6% in October 2026.
How are K18’s and Kristin Ess’ branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using K18’s and Kristin Ess’ 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.
K18
1 branded search term
- k18 purple shampoo
Kristin Ess
1 branded search term
- kristin ess purple shampoo
Other head-to-heads among purple shampoo brands
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