How popular isSunday Riley?
In September 2026, people searched for Sunday Riley by name about 2,400 times worldwide, a 17.2% decrease from the previous year. These searches made up 0.9% of all global vitamin C serum brand searches, placing Sunday Riley 11th out of 12 brands. When we asked both ChatGPT and Google AI Overviews about vitamin C serum brands, Sunday Riley appeared in one of the four answers and was the seventh most recommended of the 12.
Sunday Riley is the 11th most searched of 12 competitors and the seventh most recommended in AI answers.
SkinCeuticalsShare of searches 35%Mentioned in 3 of 4 AI answersPlace in AI recommendations 1st
Timeless Skin CareShare of searches 22.7%Mentioned in 3 of 4 AI answersPlace in AI recommendations 2nd
CeraVeShare of searches 6.8%Mentioned in 2 of 4 AI answersPlace in AI recommendations 4th
La Roche-PosayShare of searches 6.8%Mentioned in 3 of 4 AI answersPlace in AI recommendations 5th
Sunday RileyShare of searches 0.9%Mentioned in 1 of 4 AI answersPlace in AI recommendations 7th
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Top vitamin C serum brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and one Google AI Overview, Sunday Riley was mentioned in one out of four: not in any of the three ChatGPT answers, but in the Google AI Overview. Sunday Riley is the seventh most recommended of the 12.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
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
Drunk Elephant0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers
See every answer about vitamin C serum brands
4 answers
Asked ChatGPT
“Which vitamin C serum brand should I buy?”
Asked ChatGPT
“What are the best vitamin C serum brands?”
Asked ChatGPT
“What's the best vitamin C serum brand for dark spots?”
Searched Google, AI Overview
“vitamin c serum”
Google showed no AI Overview for this search.
Searched Google, AI Overview
“best vitamin c serum”
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.
Which vitamin C serum brands compete with Sunday Riley?
Share of searches by month for SkinCeuticals, Timeless Skin Care, CeraVe, La Roche-Posay, The Ordinary, Olay, Paula's Choice, Naturium, Drunk Elephant, Maelove, Sunday Riley. The figures are in the table below the chart.
View monthly share of searches table
| Month | SkinCeuticals | Timeless Skin Care | CeraVe | La Roche-Posay | The Ordinary | Olay | Paula's Choice | Naturium | Drunk Elephant | Maelove | Sunday Riley | TruSkin |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 35.9% | 16.6% | 7.4% | 9.1% | 7.4% | 6.1% | 5.5% | 5% | 2.2% | 1.8% | 1.2% | 1.8% |
| Nov 2025 | 41.1% | 16.5% | 6% | 7.4% | 7.4% | 4.9% | 5.5% | 4% | 2.2% | 2.7% | 1.2% | 1.2% |
| Dec 2025 | 34.6% | 23.9% | 4.8% | 8.8% | 7.1% | 4.8% | 5.4% | 3.9% | 2.1% | 2.1% | 1.4% | 1.1% |
| Jan 2026 | 32.6% | 21% | 7.7% | 7.7% | 7.7% | 5.1% | 5.7% | 5.1% | 1.9% | 2.8% | 1% | 1.5% |
| Feb 2026 | 37.1% | 18.2% | 8.1% | 8.1% | 8.1% | 4.4% | 5% | 4.4% | 2% | 2% | 0.88% | 1.6% |
| Mar 2026 | 35.1% | 22.7% | 6.8% | 8.3% | 6.8% | 4.5% | 5.4% | 3.7% | 2.5% | 2% | 0.89% | 1.3% |
| Apr 2026 | 34.6% | 22.4% | 8.2% | 8.2% | 6.7% | 4.5% | 5.3% | 3.7% | 2.4% | 2% | 0.73% | 1.3% |
| May 2026 | 37.5% | 19.8% | 7.3% | 7.3% | 7.3% | 4% | 5.6% | 4% | 3.2% | 2.2% | 0.79% | 1.2% |
| Jun 2026 | 38.3% | 21.6% | 5.3% | 6.5% | 6.5% | 4.3% | 5.2% | 3.5% | 3.5% | 3.5% | 0.68% | 1% |
| Jul 2026 | 38.7% | 21.9% | 5.3% | 6.5% | 6.5% | 4.4% | 5.2% | 4.4% | 2.9% | 2.4% | 0.69% | 1% |
| Aug 2026 | 38.6% | 21.8% | 5.3% | 6.5% | 6.5% | 5.3% | 5.2% | 3.6% | 2.9% | 2.4% | 0.86% | 1% |
| Sep 2026 | 35% | 22.7% | 6.8% | 6.8% | 6.8% | 5.5% | 5.4% | 3.7% | 3% | 2.5% | 0.9% | 0.9% |
| Rank | Brand | Share of searches | Estimated monthly branded searches | vs prior month | Share change |
|---|---|---|---|---|---|
| 1, held 1st | 35% | 93.6K | -12.6% | -3.5 points | |
| 2, held 2nd | 22.7% | 60.5K | 0% | +0.9 points | |
| 3, moved from 5th to 3rd | 6.8% | 18.1K | +22.3% | +1.4 pointsmoved from 5th to 3rd | |
| 4, moved from 3rd to 4th | 6.8% | 18.1K | 0% | +0.3 pointsmoved from 3rd to 4th | |
| 5, moved from 4th to 5th | 6.8% | 18.1K | 0% | +0.3 pointsmoved from 4th to 5th | |
| 6, held 6th | 5.5% | 14.8K | 0% | +0.2 points | |
| 7, held 7th | 5.4% | 14.5K | 0% | +0.2 points | |
| 8, held 8th | 3.7% | 9.9K | 0% | +0.1 points | |
| 9, held 9th | 3% | 8.1K | 0% | +0.1 points | |
| 10, held 10th | 2.5% | 6.6K | 0% | +0.1 points | |
| 11, moved from 12th to 11th | 0.9% | 2.4K | 0% | 0 pointsmoved from 12th to 11th | |
| 12, moved from 11th to 12th | 0.9% | 2.4K | -17.2% | -0.1 pointsmoved from 11th to 12th |
35%
Held 1st. 93.6K estimated branded searches, -12.6% vs prior month. Share -3.5 points.
22.7%
Held 2nd. 60.5K estimated branded searches, 0% vs prior month. Share +0.9 points.
3.
CeraVe6.8%
Moved from 5th to 3rd. 18.1K estimated branded searches, +22.3% vs prior month. Share +1.4 points.
6.8%
Moved from 3rd to 4th. 18.1K estimated branded searches, 0% vs prior month. Share +0.3 points.
6.8%
Moved from 4th to 5th. 18.1K estimated branded searches, 0% vs prior month. Share +0.3 points.
6.
Olay5.5%
Held 6th. 14.8K estimated branded searches, 0% vs prior month. Share +0.2 points.
5.4%
Held 7th. 14.5K estimated branded searches, 0% vs prior month. Share +0.2 points.
8.
Naturium3.7%
Held 8th. 9.9K estimated branded searches, 0% vs prior month. Share +0.1 points.
3%
Held 9th. 8.1K estimated branded searches, 0% vs prior month. Share +0.1 points.
10.
Maelove2.5%
Held 10th. 6.6K estimated branded searches, 0% vs prior month. Share +0.1 points.
11.
Sunday Riley0.9%
Moved from 12th to 11th. 2.4K estimated branded searches, 0% vs prior month. Share 0 points.
12.
TruSkin0.9%
Moved from 11th to 12th. 2.4K estimated branded searches, -17.2% vs prior month. Share -0.1 points.
Compare popularity between Sunday Riley and its closest rivals
Every comparison with Sunday Riley
11 comparisons
How has branded search demand for Sunday Riley changed worldwide over the last 12 months?
2 findings
- Across the 12 months ending September 2026, estimated monthly branded searches for Sunday Riley worldwide fell from 2.9K to 2.4K.
- Across the 12 months ending September 2026, Sunday Riley rose from 12th to 11th among vitamin C serum brands worldwide.
How did search popularity change for vitamin C serum brands worldwide in September 2026?
6 changes

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.

In September 2026, Timeless Skin Care gained share of searches among vitamin C serum brands worldwide, from 21.8% to 22.7%.

In September 2026, SkinCeuticals lost share of searches among vitamin C serum brands worldwide, from 38.6% to 35%.

Olay’s share of searches among vitamin C serum brands worldwide has gained ground for 3 months in a row, from 4.3% to 5.5% in September 2026.

In September 2026, Sunday Riley rose from 12th to 11th among vitamin C serum brands worldwide.

In September 2026, TruSkin fell from 11th to 12th among vitamin C serum brands worldwide.
How are Sunday Riley’s branded searches counted?
1 search term
Brandwave collects information about searches that people make online using Sunday Riley’s name. When viewed over time, estimated search volumes for this branded term can be used to understand whether interest in the brand is growing, holding steady, or fading.
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