COSRX vs Round Lab:Which is more popular?
In September 2026, COSRX had more branded searches than Round Lab among Korean skincare brands in Australia. COSRX had about 6,600 branded searches, while Round Lab had 1,600. COSRX made up 4.3% of all Korean skincare brand searches we track, and Round Lab accounted for 1.1%. When we asked ChatGPT and Google AI Overviews about Korean skincare brands, COSRX appeared in four of the five answers and Round Lab in three. COSRX was mentioned before Round Lab in four out of five answers.
Who do people search for more?
COSRX, about 4 searches for every 1 for Round Lab
Who does AI mention more?
COSRX, mentioned in 4 of 5 answers, Round Lab in 3
Who does AI recommend more?
COSRX, named ahead of Round Lab in 4 of 5 answers
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Top Korean skincare brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, COSRX was mentioned in four out of five: in two of the three ChatGPT answers and in both Google AI Overviews. Round Lab was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. COSRX was listed before Round Lab in four 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
SKIN10045 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers- COSRX4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Medicube3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Round Lab3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Anua2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Laneige2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Dr. Jart+1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Innisfree0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Torriden0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about Korean skincare brands
5 answers
Asked ChatGPT
“Which Korean skincare brand should I try?”
Asked ChatGPT
“What are the best Korean skincare brands?”
Asked ChatGPT
“What's the best Korean sunscreen?”
Searched Google, AI Overview
“korean skincare”
Searched Google, AI Overview
“k beauty”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in Australia on October 26, 2026.
Is COSRX or Round Lab more popular in search?
This chart shows how often people search Google for COSRX and Round Lab by name. Each line represents a brand's share of searches for all 12 Korean skincare brands we track, month by month, from searches in Australia.
Share of searches by month for COSRX, Round Lab. The figures are in the table below the chart.
View monthly share of searches table
| Month | Medicube | Beauty of Joseon | Anua | Laneige | Innisfree | COSRX | Torriden | SKIN1004 | Sulwhasoo | Dr. Jart+ | Some By Mi | Round Lab |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 22.3% | 18.3% | 6.7% | 18.3% | 8.2% | 5.4% | 3% | 5.4% | 5.4% | 3.6% | 2% | 1.3% |
| Nov 2025 | 25.1% | 16.8% | 6.1% | 20.5% | 9.2% | 4.1% | 2.2% | 6.1% | 4.1% | 2.7% | 1.8% | 1.2% |
| Dec 2025 | 24.7% | 16.5% | 7.4% | 20.2% | 9% | 4.9% | 2.7% | 4.9% | 4% | 2.7% | 1.8% | 1.2% |
| Jan 2026 | 29% | 19.4% | 7.1% | 15.9% | 7.1% | 4.7% | 3.1% | 3.9% | 3.9% | 2.6% | 2.1% | 1.4% |
| Feb 2026 | 30.5% | 16.7% | 7.5% | 16.7% | 6.1% | 5% | 3.3% | 4.1% | 4.1% | 2.7% | 2.2% | 1.2% |
| Mar 2026 | 27.8% | 15.2% | 8.3% | 15.2% | 6.8% | 6.8% | 3.7% | 3.7% | 5.6% | 2.4% | 3% | 1.3% |
| Apr 2026 | 31.8% | 17.4% | 7.8% | 11.6% | 6.4% | 6.4% | 3.5% | 4.2% | 5.2% | 2.3% | 2.3% | 1.3% |
| May 2026 | 40.6% | 14.9% | 8.1% | 9.9% | 5.4% | 5.4% | 3.6% | 3% | 3.6% | 2.4% | 1.9% | 1.1% |
| Jun 2026 | 42.2% | 12.6% | 8.4% | 10.3% | 5.6% | 4.6% | 3.8% | 3.1% | 3.8% | 2.5% | 2% | 1.1% |
| Jul 2026 | 45.1% | 13.5% | 7.4% | 9% | 4.9% | 4% | 3.3% | 3.3% | 4% | 2.7% | 1.8% | 0.98% |
| Aug 2026 | 44.8% | 13.4% | 7.3% | 9% | 4.9% | 4.9% | 4% | 3.3% | 3.3% | 2.2% | 1.8% | 1.2% |
| Sep 2026 | 39.9% | 14.6% | 9.7% | 9.7% | 5.3% | 4.3% | 4.3% | 3.6% | 3.6% | 1.9% | 1.9% | 1.1% |
How has the COSRX and Round Lab comparison changed over the last 12 months?
3 findings
- COSRX was ahead of Round Lab in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, COSRX’s share of searches among Korean skincare brands in Australia moved from 5.4% to 4.3%, and its estimated monthly branded searches held steady at 6.6K.
- Across the 12 months ending September 2026, Round Lab’s share of searches among Korean skincare brands in Australia moved from 1.3% to 1.1%, and its estimated monthly branded searches held steady at 1.6K.
How did search popularity change for Australia Korean skincare brands in September 2026?
1 change
In September 2026, COSRX lost share of searches among Korean skincare brands in Australia, from 4.9% to 4.3%.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using COSRX’s and Round Lab’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 skincare brands
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