K18 vs Kérastase:Which is more popular by branded search?
In August 2026, Kérastase had more branded searches than K18 among hair mask brands worldwide. Kérastase was estimated to have 1.8M branded searches compared to K18’s 480, and held a 58.4% Share of Search versus K18’s 0.02%. These are worldwide searches for English-language branded terms.
Follow K18 vs Kérastase and get free monthly updates on what changed
By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy
Which is more popular in search, K18 or Kérastase?
Compare the hair mask brands people buy. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.
Share of Search by month for Kérastase, K18. The figures are in the table below the chart.
View monthly share of search table
| Month | Kérastase | Olaplex | Moroccanoil | Redken | K18 |
|---|---|---|---|---|---|
| Oct 2025 | 51.3% | 23% | 15.4% | 10.3% | 0.02% |
| Nov 2025 | 56.3% | 20.7% | 13.8% | 9.2% | 0.02% |
| Dec 2025 | 51.2% | 23% | 15.4% | 10.3% | 0.01% |
| Jan 2026 | 55.1% | 20.3% | 13.5% | 11.1% | 0.02% |
| Feb 2026 | 55.2% | 20.2% | 13.5% | 11.1% | 0.02% |
| Mar 2026 | 55.1% | 20.3% | 13.5% | 11.1% | 0.01% |
| Apr 2026 | 52.8% | 23.7% | 12.9% | 10.6% | 0.02% |
| May 2026 | 49.6% | 22.3% | 18.2% | 10% | 0.02% |
| Jun 2026 | 55.2% | 20.2% | 13.5% | 11.1% | 0.01% |
| Jul 2026 | 60% | 18% | 12.1% | 9.9% | 0.02% |
| Aug 2026 | 58.4% | 17.6% | 14.4% | 9.6% | 0.02% |
| Sep 2026 | — | — | — | — | — |
How has the K18 and Kérastase comparison changed over the last 12 months?
3 findings
- Kérastase was ahead of K18 in every measured month of the 11 months ending August 2026.
- Across the 11 months ending August 2026, K18’s estimated Share of Search among hair mask brands worldwide held steady at 0.02%, and its estimated monthly branded searches moved from 590 to 480.
- Across the 11 months ending August 2026, Kérastase’s estimated Share of Search among hair mask brands worldwide moved from 51.3% to 58.4%, and its estimated monthly branded searches moved from 1.5M to 1.8M.
How did search popularity change for hair mask brands worldwide in August 2026?
2 changes
In August 2026, Kérastase lost estimated Share of Search among hair mask brands worldwide, from 60% to 58.4%.
Estimated monthly branded searches for K18 worldwide fell 18.6% over 11 measured months, from 590 to 480 in August 2026.
How each brand is measured
Brandwave collects information about searches that people make online using K18’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.
Put your own brand in this comparison
Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.