Brandwave

COSRX vs Sun Bum:Which is more popular?

In October 2026, COSRX had more branded searches than Sun Bum among sunscreen brands worldwide. COSRX had about 29,500 branded searches, while Sun Bum had 22,500. COSRX made up 1.2% of all sunscreen brand searches we track, and Sun Bum accounted for 0.94%. When we asked ChatGPT and Google AI Overviews about sunscreen brands, neither COSRX nor Sun Bum appeared in any of the four answers.

Among sunscreen brands worldwide in October 2026

Who do people search for more?

COSRX, about 31% more searches than Sun Bum

COSRX 29.5K searchesSun Bum 22.5K searches

Who does AI mention more?

Both were mentioned in 0 of 4 answers.

COSRX in 0 of 4Sun Bum in 0 of 4

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Top sunscreen brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and one Google AI Overview, neither COSRX nor Sun Bum showed up in any of the four answers.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. La Roche-Posay1st
  2. Neutrogena2nd
  3. EltaMD3rd
  4. CeraVe4th
  5. Blue Lizard5th
  6. Beauty of Joseon6th
  7. Supergoop!7th
  8. Ultra Violette–
  9. +4 more
  10. COSRX–
  11. Sun Bum–
  12. +1 more

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • La Roche-Posay4 of 4Named in 3 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Neutrogena3 of 4Named in 2 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • CeraVe3 of 4Named in 3 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Blue Lizard3 of 4Named in 2 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • EltaMD2 of 4Named in 2 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Beauty of Joseon1 of 4Named in 1 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Supergoop!1 of 4Named in 1 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Ultra Violette0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • COSRX0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Sun Bum0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers

+5 more

See every answer about sunscreen brands

4 answers

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 21, 2026.

Is COSRX or Sun Bum more popular in search?

This chart shows how often people search Google for COSRX and Sun Bum by name. Each line represents a brand's share of searches for all 20 sunscreen brands we track, month by month, from English-language searches worldwide.

COSRX and Sun Bum among sunscreen brands worldwide, by month

Share of searches by month for COSRX, Sun Bum. The figures are in the table below the chart.

View monthly share of searches table
MonthBeauty of JoseonLa Roche-PosayNeutrogenaUltra VioletteNiveaBanana BoatEltaMDEucerinSupergoop!CeraVeNaked SundaysCOSRXSun BumBondi SandsBlue Lizard
Nov 202519.6%12.6%10.7%9.2%9.2%9.1%7.9%2.5%8%2.4%3.2%1.2%1.1%0.8%0.49%
Dec 202516.6%13%11.1%9.3%9.5%11.5%7.5%2.6%7.8%2.5%2.6%1.2%1.6%0.81%0.61%
Jan 202618%13.8%11.7%8.4%8.3%11.5%7.9%2.3%7.2%2.7%1.7%1.3%1.4%0.86%0.8%
Feb 202618.5%14.3%12.1%7.2%8.6%10.2%8.2%2.4%7.1%3.3%1.4%1.4%1.5%0.62%0.82%
Mar 202616.5%12.3%12.4%8.3%7.3%9.2%9.5%2.5%8.3%3.4%1.5%1.2%2.3%0.62%1.5%
Apr 202617.6%13.1%10.9%6.8%7.8%9.3%8.3%3.3%8.7%3.6%1.3%1.3%2%0.68%1.6%
May 202616.1%14.1%9.6%8%8.7%8.2%7.3%2.9%9.3%3.9%1.3%1.3%1.7%0.74%2.6%
Jun 202615.7%13.6%9.3%8.9%8.4%8%7.1%4%7.8%3.7%1.5%1.1%2.5%0.59%3.8%
Jul 202614.7%15.9%9.1%8.8%8.1%8.7%7.9%3.9%7.6%3.6%1.5%1%2%0.68%3%
Aug 202617%15.3%8.8%9%9.4%9.7%6.7%4.6%6.4%3.4%1.6%1.4%1.3%0.66%2%
Sep 202618.1%17%9.8%12.3%8.5%7.8%6.7%4.2%5%3.2%1.5%1.3%0.99%0.72%1.2%
Oct 202620.5%19.5%11.4%9.6%8%6.5%5.8%4.7%4.4%3%1.4%1.2%0.94%0.68%0.63%

COSRX and Sun Bum sell other things too, so only their searches that name this product count here, like “cosrx spf”.

How has branded search for COSRX and Sun Bum changed worldwide over the last 12 months?

3 findings
  • The lead changed hands 2 times in the 12 months ending October 2026: Sun Bum took it in December 2025, COSRX took it in August 2026.
  • Across the 12 months ending October 2026, COSRX’s share of searches among sunscreen brands worldwide held steady at 1.2%, and its estimated monthly branded searches moved from 20.5K to 29.5K.
  • Across the 12 months ending October 2026, Sun Bum’s share of searches among sunscreen brands worldwide moved from 1.1% to 0.94%, and its estimated monthly branded searches moved from 18.2K to 22.5K.

How did search popularity change for sunscreen brands worldwide in October 2026?

2 changes

  1. Sun Bum’s share of searches among sunscreen brands worldwide has lost ground for 3 months in a row, from 2% to 0.94% in October 2026.

  2. Estimated monthly branded searches for COSRX worldwide rose 43.9% over 12 measured months, from 20.5K to 29.5K in October 2026.

How are COSRX’s and Sun Bum’s branded searches counted?

5 search terms

Brandwave collects information about searches that people make online using COSRX’s and Sun Bum’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

2 branded search terms

  • cosrx spf
  • cosrx sunscreen

Sun Bum

3 branded search terms

  • sun bum spf
  • sun bum sun cream
  • sun bum sunscreen

How the Brand Demand Index is measured

Other head-to-heads among sunscreen brands

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