Brandwave

How popular isKnix?

In September 2026, people searched for Knix by name about 172,000 times worldwide, a 26.9% increase from the previous year. These searches made up 39.1% of all global period care brand searches, placing Knix first out of ten brands. When we asked both ChatGPT and Google AI Overviews about period care brands, Knix appeared in two of the five answers and was the sixth most recommended of the ten.

Search and AI answers in September 2026

Knix is the most searched of 10 competitors and the sixth most recommended in AI answers.

  1. KnixShare of searches 39.1%Mentioned in 2 of 5 AI answersPlace in AI recommendations 6th
  2. StayfreeShare of searches 20.6%Mentioned in 0 of 5 AI answersPlace in AI recommendations –
  3. ModibodiShare of searches 13.8%Mentioned in 0 of 5 AI answersPlace in AI recommendations –
  4. SaaltShare of searches 7.2%Mentioned in 2 of 5 AI answersPlace in AI recommendations 5th
  5. CoraShare of searches 6.2%Mentioned in 4 of 5 AI answersPlace in AI recommendations 3rd

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Top period care brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Knix was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. Knix is the sixth most recommended of the ten.

Most recommended by AI

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

  1. Rael1st
  2. Always2nd
  3. Cora3rd
  4. L.4th
  5. Saalt5th
  6. Knix6th
  7. Stayfree–
  8. Modibodi–
  9. Thinx–
  10. Libra–

Mentioned by AI

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

  • Rael5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Cora4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • L.3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Always3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Knix2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Saalt2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Stayfree0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Modibodi0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Thinx0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Libra0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about period care brands

5 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.

Which period care brands compete with Knix?

Knix against period care brands worldwide, by month

Share of searches by month for Knix, Stayfree, Modibodi, Saalt, Cora, Thinx, Rael, L.. The figures are in the table below the chart.

View monthly share of searches table
MonthKnixStayfreeModibodiSaaltCoraThinxRaelL.LibraAlways
Oct 202533.8%22.6%17.6%5.8%4.6%7.8%5.6%1.9%0.17%0.15%
Nov 202544.3%17.5%16.8%5.3%3.5%7.5%3.5%1.4%0.07%0.09%
Dec 202536.9%20.1%16.6%7.2%4.1%10%3.3%1.6%0.08%0.11%
Jan 202638.9%17.3%16.5%5.9%3.5%12.3%3.5%1.9%0.08%0.11%
Feb 202637.9%16.7%13.2%5.6%3.4%18%3.4%1.6%0.09%0.11%
Mar 202637.7%19.5%12.5%6.8%3.9%13.1%4.8%1.5%0.09%0.1%
Apr 202642.3%17.1%12.1%6.3%3.5%13%4.2%1.3%0.07%0.09%
May 202636.2%16.3%17.9%6.8%4%14.4%2.7%1.5%0.07%0.11%
Jun 202638.4%15.1%18.1%6.8%3.7%13.2%3.1%1.4%0.05%0.08%
Jul 202641.5%14.3%15.6%7.3%4.3%12.2%2.9%1.7%0.06%0.08%
Aug 202641.8%17.5%14.2%7.7%5.3%7.9%2.9%2.5%0.1%0.11%
Sep 202639.1%20.6%13.8%7.2%6.2%5.7%4.1%2.8%0.23%0.13%

  1. 1.Knix

    39.1%

    Held 1st. 172K estimated branded searches, -20.6% vs prior month. Share -2.7 points.

  2. 2.Stayfree

    20.6%

    Held 2nd. 90.5K estimated branded searches, 0% vs prior month. Share +3.1 points.

  3. 3.Modibodi

    13.8%

    Held 3rd. 60.7K estimated branded searches, -17.3% vs prior month. Share -0.4 points.

  4. 4.Saalt

    7.2%

    Moved from 5th to 4th. 31.8K estimated branded searches, -20.7% vs prior month. Share -0.5 points.

  5. 5.Cora

    6.2%

    Moved from 6th to 5th. 27.3K estimated branded searches, -0.15% vs prior month. Share +0.9 points.

  6. 6.Thinx

    5.7%

    Moved from 4th to 6th. 25K estimated branded searches, -38.6% vs prior month. Share -2.2 points.

  7. 7.Rael

    4.1%

    Held 7th. 18.2K estimated branded searches, +21.6% vs prior month. Share +1.3 points.

  8. 8.L.

    2.8%

    Held 8th. 12.3K estimated branded searches, -3.9% vs prior month. Share +0.3 points.

  9. 9.Libra

    0.23%

    Moved from 10th to 9th. 1K estimated branded searches, +92.5% vs prior month. Share +0.1 points.

  10. 10.Always

    0.13%

    Moved from 9th to 10th. 590 estimated branded searches, 0% vs prior month. Share 0 points.

Compare popularity between Knix and its closest rivals

Every comparison with Knix

11 comparisons

How has branded search demand for Knix changed worldwide over the last 12 months?

3 findings
  • Across the 12 months ending September 2026, estimated monthly branded searches for Knix worldwide rose from 135K to 172K.
  • Across the 12 months ending September 2026, Knix’s share of searches among period care brands worldwide increased from 33.8% to 39.1%.
  • Across the 12 months ending September 2026, Knix’s share of searches among period care brands worldwide peaked at 44.3% in November 2025 and was lowest at 33.8% in October 2025.

How did search popularity change for period care brands worldwide in September 2026?

6 changes

  1. In September 2026, Cora overtook Thinx to rank 5th among period care brands worldwide, with 6.2% of the searches.

  2. In September 2026, Stayfree gained share of searches among period care brands worldwide, from 17.5% to 20.6%.

  3. In September 2026, Rael gained share of searches among period care brands worldwide, from 2.9% to 4.1%.

  4. In September 2026, Knix lost share of searches among period care brands worldwide, from 41.8% to 39.1%.

  5. In September 2026, Thinx lost share of searches among period care brands worldwide, from 7.9% to 5.7%.

  6. In September 2026, Saalt lost share of searches among period care brands worldwide, from 7.7% to 7.2%.

How are Knix’s branded searches counted?

5 search terms

Brandwave collects information about searches that people make online using Knix’s name. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brand is growing, holding steady, or fading.

  • knix
  • knix bras
  • knix period underwear
  • knix underwear
  • knixwear

How the Brand Demand Index is measured

Who owns Knix?

Knix is owned by Essity. Brandwave also tracks Modibodi, owned by the same company, worldwide.

Do you work for Knix? To request corrections or removal please contact us via our support page and we will be happy to assist.

Where does Knix compete?

Knix is ranked in two competitor sets. Each share is worked out among that set's brands, so it differs from set to set.
Competitor setRankShare of searchesRanking
Period care brands1st of 1039.1%Shown above
Period underwear brands1st of 653.1%Show ranking
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Is Knix your brand?

Put your own campaigns, spend and outcomes next to this demand line, so you can see which of your marketing lined up with the movements above.

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