COSRX vs SKIN1004:Which is more popular?
In October 2026, SKIN1004 had more branded searches than COSRX among Korean sunscreen brands worldwide. SKIN1004 had about 60,500 branded searches, while COSRX had 27,100. SKIN1004 made up 8.7% of all Korean sunscreen brand searches we track, and COSRX accounted for 3.9%. When we asked ChatGPT and Google AI Overviews about Korean sunscreen brands, SKIN1004 appeared in four of the five answers and COSRX in two. SKIN1004 was mentioned before COSRX in three out of five answers.
Who do people search for more?
SKIN1004, about 2 searches for every 1 for COSRX
Who does AI mention more?
SKIN1004, mentioned in 4 of 5 answers, COSRX in 2
Who does AI recommend more?
SKIN1004, named ahead of COSRX in 3 of 5 answers
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Top Korean sunscreen brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, SKIN1004 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 two out of five: not in any of the three ChatGPT answers, but in both Google AI Overviews. SKIN1004 was listed before COSRX in three out of 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.
Beauty of Joseon5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers- SKIN10044 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Round Lab3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Isntree3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
COSRX2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
haruharu wonder1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Torriden1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Anua0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Purito Seoul0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
MISSHA0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about Korean sunscreen brands
5 answers
Asked ChatGPT
“Which Korean sunscreen should I buy?”
Asked ChatGPT
“What are the best Korean sunscreen brands?”
Asked ChatGPT
“What's the best Korean sunscreen for oily skin?”
Searched Google, AI Overview
“korean sunscreen”
Searched Google, AI Overview
“best korean sunscreen”
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 COSRX or SKIN1004 more popular in search?
This chart shows how often people search Google for COSRX and SKIN1004 by name. Each line represents a brand's share of searches for all 11 Korean sunscreen brands we track, month by month, from English-language searches worldwide.
Share of searches by month for SKIN1004, COSRX. The figures are in the table below the chart.
View monthly share of searches table
| Month | Beauty of Joseon | Round Lab | SKIN1004 | Anua | COSRX | haruharu wonder | Isntree | Purito Seoul | MISSHA | AXIS-Y | Torriden |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 2025 | 64.1% | 8.6% | 10.5% | 2.6% | 3.9% | 2.6% | 3.2% | 1.7% | 1.4% | 0.94% | 0.51% |
| Dec 2025 | 60.9% | 10% | 10% | 3% | 4.5% | 3% | 3.7% | 1.6% | 1.6% | 1.1% | 0.59% |
| Jan 2026 | 62.8% | 8.4% | 10.3% | 3.1% | 4.6% | 3.1% | 3.1% | 1.7% | 1.4% | 0.92% | 0.6% |
| Feb 2026 | 62.6% | 10.3% | 8.4% | 3.1% | 4.6% | 3.1% | 3.1% | 1.7% | 1.7% | 0.91% | 0.6% |
| Mar 2026 | 60.2% | 9.9% | 9.9% | 3.6% | 4.4% | 3% | 3.6% | 2% | 1.6% | 1.1% | 0.72% |
| Apr 2026 | 60% | 9.9% | 9.9% | 3.6% | 4.4% | 3% | 3.6% | 2% | 1.6% | 1.1% | 1.1% |
| May 2026 | 59% | 9.7% | 9.7% | 4.3% | 5.3% | 2.9% | 2.9% | 1.9% | 1.6% | 1.1% | 1.6% |
| Jun 2026 | 60.2% | 9.9% | 9.9% | 4.4% | 4.4% | 3% | 2.4% | 2% | 1.3% | 1.1% | 1.3% |
| Jul 2026 | 57.3% | 11.5% | 9.4% | 5.2% | 4.2% | 3.5% | 2.8% | 2.3% | 1.5% | 1.3% | 1% |
| Aug 2026 | 59.3% | 9.7% | 9.7% | 4.4% | 5.3% | 2.9% | 2.9% | 1.9% | 1.6% | 1.1% | 1.1% |
| Sep 2026 | 62.7% | 10.3% | 8.4% | 3.8% | 4.6% | 2.5% | 2.5% | 1.7% | 1.4% | 0.92% | 1.1% |
| Oct 2026 | 64.4% | 8.7% | 8.7% | 3.9% | 3.9% | 3.2% | 2.6% | 1.7% | 1.2% | 0.94% | 0.94% |
SKIN1004 and COSRX sell other things too, so only their searches that name this product count here, like “skin1004 sunscreen”.
How has branded search for COSRX and SKIN1004 changed worldwide over the last 12 months?
3 findings
- SKIN1004 was ahead of COSRX in every measured month of the 12 months ending October 2026.
- Across the 12 months ending October 2026, COSRX’s share of searches among Korean sunscreen brands worldwide held steady at 3.9%, and its estimated monthly branded searches moved from 18.1K to 27.1K.
- Across the 12 months ending October 2026, SKIN1004’s share of searches among Korean sunscreen brands worldwide moved from 10.5% to 8.7%, and its estimated monthly branded searches moved from 49.5K to 60.5K.
How did search popularity change for Korean sunscreen brands worldwide in October 2026?
2 changes
In October 2026, COSRX lost share of searches among Korean sunscreen brands worldwide, from 4.6% to 3.9%.
Estimated monthly branded searches for SKIN1004 worldwide rose 22.2% over 12 measured months, from 49.5K to 60.5K in October 2026.
How are COSRX’s and SKIN1004’s branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using COSRX’s and SKIN1004’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.
Other head-to-heads among Korean sunscreen brands
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