---
title: "COSRX vs Round Lab: Which is more popular by branded search?"
description: "Which is more popular in search, COSRX or Round Lab? Compare estimated monthly branded-search demand and Share of Search inside the Korean skincare brands set worldwide. 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/global-en/compare/cosrx-vs-round-lab"
publisher: "Brandwave"
---

# COSRX vs Round Lab: Which is more popular by branded search?

Which is more popular in search, COSRX or Round Lab? Compare estimated monthly branded-search demand and Share of Search inside the Korean skincare brands set worldwide. 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 Round Lab
- **Competitive set**: Korean skincare brands
- **Market**: Global
- **Month measured**: Aug 2026
- **COSRX Share of Search**: 22.2%
- **Round Lab Share of Search**: 0.68%

## Which is more popular in search, COSRX or Round Lab?

- In August 2026, COSRX had more branded searches than Round Lab among korean skincare brands worldwide. COSRX was estimated to have 409K branded searches compared to Round Lab’s 12.5K, and held a 22.2% Share of Search versus Round Lab’s 0.68%.
- COSRX was ahead of Round Lab in every measured month of the 11 months ending August 2026.
- Across the 11 months ending August 2026, COSRX’s estimated Share of Search among korean skincare brands worldwide moved from 27% to 22.2%, and its estimated monthly branded searches moved from 413K to 409K.
- Across the 11 months ending August 2026, Round Lab’s estimated Share of Search among korean skincare brands worldwide moved from 0.39% to 0.68%, and its estimated monthly branded searches moved from 5.9K to 12.5K.

## How did search popularity change for korean skincare brands worldwide in August 2026?

- In August 2026, COSRX lost estimated Share of Search among korean skincare brands worldwide, from 22.8% to 22.2%.
- Estimated monthly branded searches for Round Lab worldwide rose 111% over 11 measured months, from 5.9K to 12.5K in August 2026.

## Month by month

| Month | COSRX estimated searches | COSRX Share of Search | COSRX rank | Round Lab estimated searches | Round Lab Share of Search | Round Lab rank |
| --- | --- | --- | --- | --- | --- | --- |
| Oct 2025 | 413K | 27% | 2 | 5.9K | 0.39% | 5 |
| Nov 2025 | 493K | 23.6% | 2 | 6.2K | 0.3% | 5 |
| Dec 2025 | 511K | 27.7% | 2 | 7.5K | 0.41% | 5 |
| Jan 2026 | 500K | 24.4% | 2 | 7.5K | 0.37% | 5 |
| Feb 2026 | 413K | 23.8% | 2 | 7.5K | 0.43% | 5 |
| Mar 2026 | 500K | 24% | 2 | 11.3K | 0.54% | 5 |
| Apr 2026 | 500K | 23.1% | 2 | 10.8K | 0.5% | 5 |
| May 2026 | 512K | 23.6% | 2 | 12.6K | 0.58% | 5 |
| Jun 2026 | 420K | 20.1% | 2 | 14.7K | 0.71% | 5 |
| Jul 2026 | 403K | 22.8% | 2 | 12K | 0.68% | 5 |
| Aug 2026 | 409K | 22.2% | 2 | 12.5K | 0.68% | 5 |
| Sep 2026 | — | — | — | — | — | — |

## How each brand is measured

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.

- **COSRX**: Measured on the search terms “cosrx”, “cosrx cleanser”, “cosrx com”, “cosrx skincare”, “cosrx snail mucin” and “skincare cosrx”, summed into one figure.
- **Round Lab**: Measured on the search terms “round lab birch juice”, “round lab skincare”, “roundlab com” and “skincare round lab”, summed into one figure.

- [COSRX profile](/demand/global-en/brands/cosrx)
- [Round Lab profile](/demand/global-en/brands/round-lab)
- [All korean skincare brands worldwide](/demand/global-en/categories/korean-skincare-brands): The set both shares are measured inside, 5 brands.

## Methodology

- [How is branded search demand measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused.

## Frequently asked questions

### Which is more popular in search, COSRX or Round Lab?

In August 2026, COSRX had more branded searches than Round Lab among korean skincare brands worldwide. COSRX was estimated to have 409K branded searches compared to Round Lab’s 12.5K, and held a 22.2% Share of Search versus Round Lab’s 0.68%.

## Cite this page

Brandwave. "COSRX vs Round Lab: Which is more popular by branded search?". https://gobrandwave.com/demand/global-en/compare/cosrx-vs-round-lab

This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/cosrx-vs-round-lab. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.