--- title: "Kérastase vs OUAI: Which is searched more?" description: "Is Kérastase or OUAI more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Hair oil brands set worldwide. 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." canonical: "https://gobrandwave.com/demand/global-en/compare/kerastase-vs-ouai" publisher: "Brandwave" --- # Kérastase vs OUAI: Which is searched more? Is Kérastase or OUAI more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Hair oil brands set worldwide. 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. ## Key facts - **Compared**: Kérastase and OUAI - **Competitive set**: Hair oil brands - **Market**: Global - **Month measured**: Sep 2026 - **Kérastase Share of Search**: 8.2% - **OUAI Share of Search**: 3.7% ## Is Kérastase or OUAI more popular in search? - In September 2026, Kérastase had more branded searches than OUAI among hair oil brands worldwide. Kérastase had about 49,500 branded searches, while OUAI had 22,200. Kérastase made up 8.2% of all hair oil brand searches we track, and OUAI accounted for 3.7%. - Kérastase was ahead of OUAI in every measured month of the 12 months ending September 2026. - 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. - Across the 12 months ending September 2026, OUAI’s share of searches among hair oil brands worldwide moved from 4.6% to 3.7%, and its estimated monthly branded searches moved from 33.1K to 22.2K. ## 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. OUAI did not appear in any of the five answers. Brands get a higher AI rank if they are mentioned earlier in the answers that list options. | Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it | | --- | --- | --- | --- | --- | | Moroccanoil | 1st | 3 of 3 | 2 of 2 | 5 of 5 | | Mielle | 2nd | 2 of 3 | 2 of 2 | 4 of 5 | | Olaplex | 3rd | 2 of 3 | 1 of 2 | 3 of 5 | | Kérastase | 4th | 1 of 3 | 0 of 2 | 1 of 5 | | Verb | 5th | 1 of 3 | 0 of 2 | 1 of 5 | | Gisou | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | OGX | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | OUAI | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Amika | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Briogeo | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | JVN | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about hair oil brands - Asked ChatGPT "Which hair oil brand should I buy?": 1. Mielle, 2. Moroccanoil - Asked ChatGPT "What are the best hair oil brands?": 1. Mielle, 2. Moroccanoil, 3. Olaplex, 4. Kérastase, 5. Verb - Asked ChatGPT "What's the best hair oil brand for frizzy hair?": 1. Moroccanoil, 2. Olaplex - Searched Google, AI Overview "hair oil": 1. Moroccanoil, 2. Mielle - Searched Google, AI Overview "best hair oil": 1. Olaplex, 2. Moroccanoil, 3. Mielle Not named in any answer: Gisou, OGX, OUAI, Amika, Briogeo and JVN. Brands are listed in the order each answer named them. The answers were collected in the United States on October 22, 2026. ## How did search popularity change for hair oil brands worldwide in September 2026? - In September 2026, Gisou overtook Kérastase to rank 2nd among hair oil brands worldwide, with 8.2% of the searches. - In September 2026, Olaplex overtook OUAI to rank 7th among hair oil brands worldwide, with 3.7% of the searches. - OUAI’s share of searches among hair oil brands worldwide has lost ground for 3 months in a row, from 4.4% to 3.7% in September 2026. - Estimated monthly branded searches for Kérastase worldwide fell 18.2% over 12 measured months, from 60.5K to 49.5K in September 2026. ## Month by month | Month | Kérastase estimated searches | Kérastase Share of Search | Kérastase rank | OUAI estimated searches | OUAI Share of Search | OUAI rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 60.5K | 8.4% | 3 | 33.1K | 4.6% | 5 | | Nov 2025 | 74K | 8.2% | 3 | 49.5K | 5.5% | 4 | | Dec 2025 | 74K | 8.4% | 3 | 40.5K | 4.6% | 5 | | Jan 2026 | 60.5K | 8.2% | 3 | 33.1K | 4.5% | 5 | | Feb 2026 | 49.5K | 8.2% | 3 | 22.2K | 3.7% | 6 | | Mar 2026 | 60.5K | 8.5% | 2 | 27.1K | 3.8% | 6 | | Apr 2026 | 60.5K | 9.6% | 2 | 27.1K | 4.3% | 7 | | May 2026 | 49.5K | 6.3% | 2 | 27.1K | 3.4% | 6 | | Jun 2026 | 60.5K | 9.7% | 2 | 27.1K | 4.4% | 7 | | Jul 2026 | 74K | 11.2% | 2 | 27.1K | 4.1% | 7 | | Aug 2026 | 60.5K | 8.4% | 2 | 27.1K | 3.8% | 7 | | Sep 2026 | 49.5K | 8.2% | 3 | 22.2K | 3.7% | 8 | ## How each brand is measured Brandwave collects information about searches that people make online using Kérastase’s and OUAI’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. - **Kérastase**: Measured on the search term “kerastase elixir ultime”. - **OUAI**: Measured on the search term “ouai hair oil”. - [Kérastase profile](/demand/global-en/brands/kerastase) - [OUAI profile](/demand/global-en/brands/ouai) - [All hair oil brands worldwide](/demand/global-en/categories/hair-oil-brands): The set both shares are measured inside, 11 brands. ## Methodology - [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Is Kérastase or OUAI more popular in search? In September 2026, Kérastase had more branded searches than OUAI among hair oil brands worldwide. Kérastase had about 49,500 branded searches, while OUAI had 22,200. Kérastase made up 8.2% of all hair oil brand searches we track, and OUAI accounted for 3.7%. ## Cite this page Brandwave. "Kérastase vs OUAI: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/kerastase-vs-ouai This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/kerastase-vs-ouai. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.