--- title: "COSRX vs La Roche-Posay: Which is searched more in New Zealand?" description: "Is COSRX or La Roche-Posay more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Face cleanser brands set in New Zealand. 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/nz/categories/nz-face-cleanser-brands/compare/cosrx-vs-la-roche-posay" publisher: "Brandwave" --- # COSRX vs La Roche-Posay: Which is searched more in New Zealand? Is COSRX or La Roche-Posay more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Face cleanser brands set in New Zealand. 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**: COSRX and La Roche-Posay - **Competitive set**: Face cleanser brands - **Market**: New Zealand - **Month measured**: Sep 2026 - **COSRX Share of Search**: 9.9% - **La Roche-Posay Share of Search**: 19% ## Is COSRX or La Roche-Posay more popular in search? - In September 2026, La Roche-Posay had more branded searches than COSRX among face cleanser brands in New Zealand. La Roche-Posay had about 17,800 branded searches, while COSRX had 9,330. La Roche-Posay made up 19% of all face cleanser brand searches we track, and COSRX accounted for 9.9%. - La Roche-Posay was ahead of COSRX in every measured month of the 12 months ending September 2026. - Across the 12 months ending September 2026, COSRX’s share of searches among face cleanser brands in New Zealand moved from 8.3% to 9.9%, and its estimated monthly branded searches moved from 6.2K to 9.3K. - Across the 12 months ending September 2026, La Roche-Posay’s share of searches among face cleanser brands in New Zealand moved from 18.5% to 19%, and its estimated monthly branded searches moved from 13.9K to 17.8K. ## Top face cleanser brands in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, La Roche-Posay was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. COSRX was mentioned in one out of five: not in any of the three ChatGPT answers, but in one of the two Google AI Overviews. La Roche-Posay was listed before COSRX in three out of four 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 | | --- | --- | --- | --- | --- | | CeraVe | 1st | 3 of 3 | 1 of 2 | 4 of 5 | | Cetaphil | 2nd | 3 of 3 | 0 of 2 | 3 of 5 | | La Roche-Posay | 3rd | 3 of 3 | 1 of 2 | 4 of 5 | | COSRX | 4th | 0 of 3 | 1 of 2 | 1 of 5 | | The Ordinary | 5th | 2 of 3 | 0 of 2 | 2 of 5 | | Kiehl's | 6th | 0 of 3 | 1 of 2 | 1 of 5 | | Beauty of Joseon | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Neutrogena | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Aveeno | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Bioderma | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Medik8 | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Garnier | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Eucerin | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | SKIN1004 | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about face cleanser brands - Asked ChatGPT "Which face cleanser brand should I buy in New Zealand?": 1. CeraVe, 2. Cetaphil, 3. La Roche-Posay, 4. The Ordinary - Asked ChatGPT "What are the best face cleanser brands in New Zealand?": 1. CeraVe, 2. Cetaphil, 3. La Roche-Posay, 4. The Ordinary - Asked ChatGPT "What's the best face cleanser brand in New Zealand for daily skincare?": 1. CeraVe, 2. Cetaphil, 3. La Roche-Posay - Searched Google, AI Overview "best face cleanser": 1. COSRX, 2. CeraVe, 3. La Roche-Posay, 4. Kiehl's - Searched Google, AI Overview "gentle face cleanser": named none of the brands we track Not named in any answer: Beauty of Joseon, Neutrogena, Aveeno, Bioderma, Medik8, Garnier, Eucerin and SKIN1004. Brands are listed in the order each answer named them. The answers were collected in New Zealand on October 19, 2026. ## How did search popularity change for New Zealand face cleanser brands in September 2026? - In September 2026, La Roche-Posay overtook CeraVe to become the leader among face cleanser brands in New Zealand, with 19% of the searches. - In September 2026, COSRX overtook The Ordinary and 2 others to rank 3rd among face cleanser brands in New Zealand, with 9.9% of the searches. ## Month by month | Month | COSRX estimated searches | COSRX Share of Search | COSRX rank | La Roche-Posay estimated searches | La Roche-Posay Share of Search | La Roche-Posay rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 6.2K | 8.3% | 6 | 13.9K | 18.5% | 1 | | Nov 2025 | 6.4K | 7.6% | 6 | 16.4K | 19.7% | 1 | | Dec 2025 | 6.4K | 8.4% | 5 | 14.3K | 18.8% | 1 | | Jan 2026 | 6.5K | 8.2% | 5 | 14.4K | 18.3% | 2 | | Feb 2026 | 6.6K | 10% | 4 | 11.7K | 17.6% | 2 | | Mar 2026 | 7.7K | 10.6% | 4 | 12.2K | 16.6% | 2 | | Apr 2026 | 7.8K | 10% | 4 | 14.8K | 18.8% | 2 | | May 2026 | 8.7K | 10.5% | 4 | 14.1K | 17% | 2 | | Jun 2026 | 8K | 9.8% | 4 | 14.4K | 17.6% | 2 | | Jul 2026 | 7.7K | 8.8% | 5 | 14.5K | 16.4% | 2 | | Aug 2026 | 8.2K | 8.6% | 6 | 14.9K | 15.7% | 2 | | Sep 2026 | 9.3K | 9.9% | 3 | 17.8K | 19% | 1 | ## How each brand is measured Brandwave collects information about searches that people make online using COSRX’s and La Roche-Posay’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. - **COSRX**: Measured on the search terms “cosrx”, “cosrx cleanser”, “cosrx face cleanser”, “cosrx korean skincare”, “cosrx serum”, “cosrx skincare”, “cosrx snail mucin”, “cosrx sunscreen”, “cosrx toner” and “master patch cosrx”, summed into one figure. - **La Roche-Posay**: Measured on the search terms “la roche posay”, “la roche posay anthelios”, “la roche posay cicaplast”, “la roche posay cleanser”, “la roche posay effaclar”, “la roche posay facewash”, “la roche posay moisturizer”, “la roche posay serum”, “la roche posay skincare” and “la roche posay toleriane”, summed into one figure. - [COSRX profile](/demand/nz/brands/cosrx) - [La Roche-Posay profile](/demand/nz/brands/la-roche-posay) - [All face cleanser brands in New Zealand](/demand/nz/categories/nz-face-cleanser-brands): The set both shares are measured inside, 14 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 COSRX or La Roche-Posay more popular in search? In September 2026, La Roche-Posay had more branded searches than COSRX among face cleanser brands in New Zealand. La Roche-Posay had about 17,800 branded searches, while COSRX had 9,330. La Roche-Posay made up 19% of all face cleanser brand searches we track, and COSRX accounted for 9.9%. ## Cite this page Brandwave. "COSRX vs La Roche-Posay: Which is searched more in New Zealand?". https://gobrandwave.com/demand/nz/categories/nz-face-cleanser-brands/compare/cosrx-vs-la-roche-posay This page is also available as HTML at https://gobrandwave.com/demand/nz/categories/nz-face-cleanser-brands/compare/cosrx-vs-la-roche-posay. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.