BK Beauty vs Sigma Beauty:Which is more popular?
In September 2026, BK Beauty had more branded searches than Sigma Beauty among makeup brush brands worldwide. BK Beauty had about 22,200 branded searches, while Sigma Beauty had 6,600. BK Beauty made up 2.4% of all makeup brush brand searches we track, and Sigma Beauty accounted for 0.7%. When we asked ChatGPT and Google AI Overviews about makeup brush brands, Sigma Beauty appeared in four of the five answers and BK Beauty in two. Sigma Beauty was mentioned before BK Beauty in every answer.
Who do people search for more?
BK Beauty, about 3 searches for every 1 for Sigma Beauty
Who does AI mention more?
Sigma Beauty, mentioned in 4 of 5 answers, BK Beauty in 2
Who does AI recommend more?
Sigma Beauty, named ahead of BK Beauty in every answer
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Top makeup brush brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Sigma Beauty was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. BK Beauty was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. Sigma Beauty was listed before BK Beauty in every answer.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Real Techniques1st
Sigma Beauty2nd
BK Beauty3rd
Morphe4th
MAC5th
Beautyblender–- EcoTools–
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Real Techniques4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Sigma Beauty4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Morphe3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
BK Beauty2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
MAC1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Beautyblender0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers- EcoTools0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about makeup brush brands
5 answers
Asked ChatGPT
“Which makeup brush brand should I buy?”
Asked ChatGPT
“What are the best makeup brush brands?”
Asked ChatGPT
“What's the best makeup brush brand for blending foundation?”
Searched Google, AI Overview
“best makeup brushes”
Searched Google, AI Overview
“foundation brush”
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 BK Beauty or Sigma Beauty more popular in search?
This chart shows how often people search Google for BK Beauty and Sigma Beauty by name. Each line represents a brand's share of searches for all seven makeup brush brands we track, month by month, from English-language searches worldwide.
Share of searches by month for BK Beauty, Sigma Beauty. The figures are in the table below the chart.
View monthly share of searches table
| Month | Morphe | Beautyblender | MAC | Real Techniques | EcoTools | BK Beauty | Sigma Beauty |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 28.6% | 34.8% | 12.8% | 12.8% | 5.7% | 3.8% | 1.4% |
| Nov 2025 | 32.8% | 26.8% | 14.7% | 14.7% | 4.4% | 5.4% | 1.3% |
| Dec 2025 | 33.6% | 27.5% | 15% | 15% | 3.7% | 3.7% | 1.4% |
| Jan 2026 | 39.6% | 26.6% | 11.9% | 11.9% | 4.4% | 4.4% | 1.3% |
| Feb 2026 | 37.8% | 25.4% | 13.9% | 11.4% | 5.1% | 5.1% | 1.2% |
| Mar 2026 | 45.3% | 24.9% | 11.1% | 9.1% | 5% | 3.3% | 1.2% |
| Apr 2026 | 47.9% | 21.5% | 11.8% | 9.6% | 4.3% | 3.5% | 1.3% |
| May 2026 | 47.7% | 21.4% | 11.7% | 9.6% | 4.3% | 4.3% | 1% |
| Jun 2026 | 50.4% | 22.6% | 10.1% | 8.3% | 4.5% | 3% | 1.1% |
| Jul 2026 | 48.1% | 21.6% | 11.8% | 9.7% | 4.3% | 3.5% | 1.1% |
| Aug 2026 | 50.5% | 22.7% | 10.2% | 8.3% | 3.7% | 3.7% | 0.91% |
| Sep 2026 | 47.8% | 32% | 7.9% | 6.4% | 2.9% | 2.4% | 0.7% |
How has the BK Beauty and Sigma Beauty comparison changed over the last 12 months?
3 findings
- BK Beauty was ahead of Sigma Beauty in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, BK Beauty’s share of searches among makeup brush brands worldwide moved from 3.8% to 2.4%, and its estimated monthly branded searches held steady at 22.2K.
- Across the 12 months ending September 2026, Sigma Beauty’s share of searches among makeup brush brands worldwide moved from 1.4% to 0.7%, and its estimated monthly branded searches moved from 8.1K to 6.6K.
How did search popularity change for makeup brush brands worldwide in September 2026?
2 changes

In September 2026, BK Beauty lost share of searches among makeup brush brands worldwide, from 3.7% to 2.4%.

Estimated monthly branded searches for Sigma Beauty worldwide fell 18.5% over 12 measured months, from 8.1K to 6.6K in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using BK Beauty’s and Sigma Beauty’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.
BK Beauty
1 branded search term
- bk beauty
Sigma Beauty
1 branded search term
- sigma beauty
Other head-to-heads among makeup brush brands

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