Brandwave

The Ordinary vs TruSkin:Which is more popular?

In September 2026, The Ordinary had more branded searches than TruSkin among vitamin C serum brands worldwide. The Ordinary had about 18,100 branded searches, while TruSkin had 2,400. The Ordinary made up 6.8% of all vitamin C serum brand searches we track, and TruSkin accounted for 0.9%. When we asked ChatGPT and Google AI Overviews about vitamin C serum brands, neither The Ordinary nor TruSkin appeared in any of the four answers.

Among vitamin C serum brands worldwide in September 2026

Who do people search for more?

The Ordinary, about 8 searches for every 1 for TruSkin

The Ordinary 18.1K searchesTruSkin 2.4K searches

Who does AI mention more?

Both were mentioned in 0 of 4 answers.

The Ordinary in 0 of 4TruSkin in 0 of 4

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Top vitamin C serum brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and one Google AI Overview, neither The Ordinary nor TruSkin 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. SkinCeuticals1st
  2. Timeless Skin Care2nd
  3. Naturium3rd
  4. CeraVe4th
  5. La Roche-Posay5th
  6. Paula's Choice6th
  7. Sunday Riley7th
  8. The Ordinary–
  9. Olay–
  10. +2 more
  11. TruSkin–

Mentioned by AI

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

  • SkinCeuticals3 of 4Named in 2 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Timeless Skin Care3 of 4Named in 2 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • La Roche-Posay3 of 4Named in 2 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • CeraVe2 of 4Named in 2 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Naturium2 of 4Named in 1 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Paula's Choice1 of 4Named in 1 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Sunday Riley1 of 4Named in 0 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • The Ordinary0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Olay0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • TruSkin0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers

+2 more

See every answer about vitamin C serum 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 22, 2026.

Is The Ordinary or TruSkin more popular in search?

This chart shows how often people search Google for The Ordinary and TruSkin by name. Each line represents a brand's share of searches for all 12 vitamin C serum brands we track, month by month, from English-language searches worldwide.

The Ordinary and TruSkin among vitamin C serum brands worldwide, by month

Share of searches by month for The Ordinary, TruSkin. The figures are in the table below the chart.

View monthly share of searches table
MonthSkinCeuticalsTimeless Skin CareCeraVeLa Roche-PosayThe OrdinaryOlayPaula's ChoiceNaturiumDrunk ElephantMaeloveSunday RileyTruSkin
Oct 202535.9%16.6%7.4%9.1%7.4%6.1%5.5%5%2.2%1.8%1.2%1.8%
Nov 202541.1%16.5%6%7.4%7.4%4.9%5.5%4%2.2%2.7%1.2%1.2%
Dec 202534.6%23.9%4.8%8.8%7.1%4.8%5.4%3.9%2.1%2.1%1.4%1.1%
Jan 202632.6%21%7.7%7.7%7.7%5.1%5.7%5.1%1.9%2.8%1%1.5%
Feb 202637.1%18.2%8.1%8.1%8.1%4.4%5%4.4%2%2%0.88%1.6%
Mar 202635.1%22.7%6.8%8.3%6.8%4.5%5.4%3.7%2.5%2%0.89%1.3%
Apr 202634.6%22.4%8.2%8.2%6.7%4.5%5.3%3.7%2.4%2%0.73%1.3%
May 202637.5%19.8%7.3%7.3%7.3%4%5.6%4%3.2%2.2%0.79%1.2%
Jun 202638.3%21.6%5.3%6.5%6.5%4.3%5.2%3.5%3.5%3.5%0.68%1%
Jul 202638.7%21.9%5.3%6.5%6.5%4.4%5.2%4.4%2.9%2.4%0.69%1%
Aug 202638.6%21.8%5.3%6.5%6.5%5.3%5.2%3.6%2.9%2.4%0.86%1%
Sep 202635%22.7%6.8%6.8%6.8%5.5%5.4%3.7%3%2.5%0.9%0.9%

How has the The Ordinary and TruSkin comparison changed over the last 12 months?

3 findings

How did search popularity change for vitamin C serum brands worldwide in September 2026?

2 changes

  1. In September 2026, CeraVe overtook La Roche-Posay and The Ordinary to rank 3rd among vitamin C serum brands worldwide, with 6.8% of the searches.

  2. In September 2026, TruSkin fell from 11th to 12th among vitamin C serum brands worldwide.

How are branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using The Ordinary’s and TruSkin’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.

The Ordinary

1 branded search term

  • the ordinary vitamin c

TruSkin

1 branded search term

  • truskin vitamin c

How the Brand Demand Index is measured

Other head-to-heads among vitamin C serum brands

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