COSRX vs Kiehl's:Which is searched more?
In September 2026, Kiehl's had more branded searches than COSRX among skincare brands worldwide. Kiehl's was estimated to have 550K branded searches compared to COSRX’s 402K, and held a 3.9% Share of Search versus COSRX’s 2.9%. These are worldwide searches for English-language branded terms.
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Which is more popular in search, COSRX or Kiehl's?
Compare the skincare brands people buy. 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.
Share of Search by month for Kiehl's, COSRX. The figures are in the table below the chart.
View monthly share of search table
| Month | Cetaphil | CeraVe | La Roche-Posay | The Ordinary | Beauty of Joseon | Neutrogena | Clinique | Bioderma | Kiehl's | Laneige | SkinCeuticals | Paula's Choice | Medik8 | COSRX | Dermalogica |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 14.2% | 15.6% | 12.5% | 8.3% | 5.4% | 7% | 5.6% | 3.8% | 4.6% | 3.8% | 3.1% | 3.8% | 2.5% | 2.8% | 1.7% |
| Nov 2025 | 12.7% | 12.6% | 11.9% | 11.2% | 6% | 5.4% | 6.5% | 3.6% | 6.5% | 4.4% | 2.9% | 3.5% | 2.8% | 2.6% | 2% |
| Dec 2025 | 13.2% | 14.5% | 13.6% | 9% | 5.6% | 6.6% | 6.1% | 3.3% | 5% | 5% | 2.7% | 3.4% | 2.2% | 3.1% | 1.5% |
| Jan 2026 | 14.4% | 14.3% | 13.5% | 8.9% | 6.8% | 6.5% | 4.9% | 4% | 4% | 4% | 2.7% | 3.3% | 2.7% | 3% | 1.8% |
| Feb 2026 | 14% | 15.3% | 15.1% | 8.3% | 6.6% | 7% | 4.5% | 3.7% | 3.7% | 3.7% | 3% | 3.6% | 2.4% | 2.8% | 1.7% |
| Mar 2026 | 12.9% | 13.8% | 16.1% | 8.8% | 7% | 6.9% | 4.8% | 4% | 4% | 3.2% | 3.2% | 3.2% | 2.6% | 2.9% | 1.8% |
| Apr 2026 | 12.9% | 13.9% | 16.2% | 10.4% | 7.5% | 6.8% | 4.9% | 4% | 3.2% | 2.7% | 2.7% | 3.3% | 2.6% | 3% | 1.5% |
| May 2026 | 12.1% | 14.2% | 16.9% | 8.9% | 7.9% | 7.1% | 5.1% | 4.1% | 3.4% | 2.8% | 2.8% | 3.3% | 2.2% | 3.2% | 1.5% |
| Jun 2026 | 13.1% | 15.1% | 15.1% | 9.6% | 8.6% | 6.7% | 4.5% | 3.7% | 3.7% | 2.5% | 3% | 2.9% | 2.4% | 2.8% | 1.7% |
| Jul 2026 | 14.2% | 15.3% | 15.3% | 9.7% | 7.1% | 6.5% | 4.6% | 3.7% | 3.1% | 3.1% | 3.1% | 3% | 2.8% | 2.7% | 1.4% |
| Aug 2026 | 13.7% | 15% | 14.7% | 9.3% | 6.9% | 7.7% | 4.4% | 3.6% | 3.6% | 3% | 3% | 3.5% | 2.8% | 2.7% | 1.6% |
| Sep 2026 | 14.6% | 13.7% | 13.1% | 10.1% | 7.5% | 6.7% | 4.8% | 3.9% | 3.9% | 3.2% | 3.2% | 3.1% | 3.1% | 2.9% | 1.8% |
How has the COSRX and Kiehl's comparison changed over the last 12 months?
3 findings
- Kiehl's was ahead of COSRX in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, COSRX’s estimated Share of Search among skincare brands worldwide moved from 2.8% to 2.9%, and its estimated monthly branded searches moved from 413K to 402K.
- Across the 12 months ending September 2026, Kiehl's’ estimated Share of Search among skincare brands worldwide moved from 4.6% to 3.9%, and its estimated monthly branded searches moved from 673K to 550K.
How did search popularity change for skincare brands worldwide in September 2026?
1 change
Estimated monthly branded searches for Kiehl's worldwide fell 18.3% over 12 measured months, from 673K to 550K in September 2026.
Other head-to-heads among skincare brands
Cetaphil vs CeraVe: compare search popularityCetaphil vs La Roche-Posay: compare search popularity
Cetaphil vs The Ordinary: compare search popularity
Cetaphil vs Beauty of Joseon: compare search popularity- CeraVe vs The Ordinary: compare search popularity
How each brand is measured
Brandwave collects information about searches that people make online using COSRX’s and Kiehl'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.
Put your own brand in this comparison
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