COSRX vs La Roche-Posay:Which is more popular?
In September 2026, La Roche-Posay had more branded searches than COSRX among sun cream brands in New Zealand. La Roche-Posay had about 15,700 branded searches, while COSRX had 8,880. La Roche-Posay made up 22.3% of all sun cream brand searches we track, and COSRX accounted for 12.6%. When we asked ChatGPT and Google AI Overviews about sun cream brands, La Roche-Posay appeared in three of the five answers and COSRX in none.
Who do people search for more?
La Roche-Posay, about 76% more searches than COSRX
Who does AI mention more?
La Roche-Posay, mentioned in 3 of 5 answers, COSRX in 0
Who does AI recommend more?
La Roche-Posay, the only one of the two named
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Top sun cream brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, La Roche-Posay was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. COSRX 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.
Cancer Society NZ1st- La Roche-Posay2nd
Skinnies3rd
Nivea4th
COSRX–
Eucerin–
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Cancer Society NZ5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Skinnies3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- La Roche-Posay3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Nivea2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- COSRX0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Eucerin0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about sun cream brands
5 answers
Asked ChatGPT
“Which sun cream brand should I buy in New Zealand?”
Asked ChatGPT
“What are the best sun cream brands in New Zealand?”
Asked ChatGPT
“What's the best sun cream brand in New Zealand for daily sun protection?”
Searched Google, AI Overview
“spf 50 sun cream”
Searched Google, AI Overview
“sun cream nz”
Brands are shown in the order each answer named them. The survey took place in New Zealand on October 21, 2026.
Is COSRX or La Roche-Posay more popular in search?
This chart shows how often people search Google for COSRX and La Roche-Posay by name. Each line represents a brand's share of searches for all six sun cream brands we track, month by month, from searches in New Zealand.
Share of searches by month for La Roche-Posay, COSRX. The figures are in the table below the chart.
View monthly share of searches table
| Month | Skinnies | La Roche-Posay | Nivea | COSRX | Cancer Society NZ | Eucerin |
|---|---|---|---|---|---|---|
| Oct 2025 | 53.4% | 20.5% | 11.9% | 9.6% | 3.1% | 1.5% |
| Nov 2025 | 50.9% | 22.9% | 12.8% | 9.2% | 2.9% | 1.3% |
| Dec 2025 | 48.5% | 23.1% | 14% | 10.8% | 2.3% | 1.3% |
| Jan 2026 | 48.6% | 23.1% | 13.1% | 10.8% | 2.8% | 1.5% |
| Feb 2026 | 52.3% | 19.8% | 11.6% | 11.2% | 3.7% | 1.5% |
| Mar 2026 | 49.7% | 19.3% | 12.3% | 12.9% | 4.4% | 1.4% |
| Apr 2026 | 48.3% | 23.5% | 11.4% | 12.6% | 2.8% | 1.5% |
| May 2026 | 46.9% | 21.8% | 12.5% | 14.2% | 3.3% | 1.3% |
| Jun 2026 | 47.4% | 22.4% | 12.9% | 13.1% | 2.8% | 1.5% |
| Jul 2026 | 47.4% | 22.4% | 13.2% | 12.6% | 2.8% | 1.7% |
| Aug 2026 | 44.8% | 21.9% | 14.4% | 12.5% | 4.8% | 1.7% |
| Sep 2026 | 47.2% | 22.3% | 13.7% | 12.6% | 2.7% | 1.4% |
How has the COSRX and La Roche-Posay comparison changed over the last 12 months?
3 findings
- 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 sun cream brands in New Zealand moved from 9.6% to 12.6%, and its estimated monthly branded searches moved from 6K to 8.9K.
- Across the 12 months ending September 2026, La Roche-Posay’s share of searches among sun cream brands in New Zealand moved from 20.5% to 22.3%, and its estimated monthly branded searches moved from 12.7K to 15.7K.
How did search popularity change for New Zealand sun cream brands in September 2026?
2 changes
Estimated monthly branded searches for COSRX in New Zealand rose 49% over 12 measured months, from 6K to 8.9K in September 2026.
Estimated monthly branded searches for La Roche-Posay in New Zealand rose 23% over 12 measured months, from 12.7K to 15.7K in September 2026.
How are branded searches counted?
12 search terms
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
5 branded search terms
- cosrx
- cosrx serum
- cosrx snail mucin
- cosrx sunscreen
- master patch cosrx
La Roche-Posay
7 branded search terms
- la roche posay
- la roche posay anthelios
- la roche posay cicaplast
- la roche posay effaclar
- la roche posay moisturizer
- la roche posay serum
- la roche posay toleriane
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