The Prompt Group

Skin Concerns and Treatments · Canada

Is prescription tretinoin better than over the counter retinol?

Research summary

ChatGPT, Perplexity and Google AI Overview answered "Is prescription tretinoin better than over the counter retinol?" 3 times on 6 October 2026 without naming a single brand. They cite nih.gov more than any other source, 22 times, ahead of aad.org with 12. Between them, the 3 answers to this question on skin concerns and treatments cite 18 different domains, 47 citations to the top 12.

Data as of Collected 6 October 2026 from ChatGPT, Perplexity, Google AI OverviewMethodology v1Corrections

What each engine cited instead of naming a brand

Each engine's latest answer to "Is prescription tretinoin better than over the counter retinol?": none named a brand
EngineAnsweredSources it cited mostDomains cited
ChatGPT6 October 2026nih.govaad.org2
Perplexity6 October 2026bswhealth.comfutureclinic.comgale.care10
Google AI Overview6 October 2026instagram.comcomfortzoneskin.comessentialskinspa.com6

Sources cited

  1. nih.gov22
  2. aad.org12
  3. instagram.com4
  4. bswhealth.com1
  5. comfortzoneskin.com1
  6. essentialskinspa.com1
  1. futureclinic.com1
  2. gale.care1
  3. healthline.com1
  4. klira.skin1
  5. miiskin.com1
  6. musely.com1
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