What are the best niacinamide serums?
Serums & AmpoulesNamed in 1 of 6 answers
#20
4.1
Rank by surface
Microsoft Copilot#9
Microsoft Copilot#9Brand profile
Dr. Barbara Sturm
A luxury skincare brand founded by German aesthetic doctor Dr. Barbara Sturm, known for science-backed formulations.
2 questions · 2 categories · As of Nov 1, 2026
- Questions
- 2
- 2 categories
- Answers naming it
- 2/12
- Of the answers measured on this brand's questions
Visibility by category
| Categories | Category rank | Questions | Score |
|---|---|---|---|
| Serums & Ampoules | - | 1 | 4.1 |
| Skincare | - | 1 | 3.9 |
Ranking by question
Which skincare brands are the most trusted?
SkincareNamed in 1 of 6 answers
#29
3.9
Rank by surfaceMicrosoft Copilot#12
Microsoft Copilot#12Sources cited when this brand is named
Sites the answers naming this brand cited in the last four weeks. Counts are citing answers.
The answers that named this brand cited no sources in the last four weeks.
Named by surface, by question
For the brand's best questions: of each surface's 1 answers, how many named it.
| Questions |  Google AI Overviews |  ChatGPT |  Claude |  Gemini | Google AI Mode | Microsoft Copilot |
|---|---|---|---|---|---|---|
| 1What are the best niacinamide serums? | 0 | 0 | 0 | 0 | 0 | 1 |
| 2Which skincare brands are the most trusted? | 0 | 0 | 0 | 0 | 0 | 1 |