What do recent clinical studies say about the effectiveness of collagen supplements for reducing wrinkles compared to just using expensive topical serums?
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
What do recent clinical studies say about the effectiveness of collagen supplements for reducing wrinkles compared to just using expensive topical serums?
2 real searches · 1 real-search pass
2024 2025 systematic review meta-analysis oral collagen supplements skin wrinkles randomized controlled trials funding biasGoogle ↗
OBSERVEDReason
topical anti-aging serums retinoids vitamin C hyaluronic acid randomized clinical trials wrinkles evidence comparison collagen supplementsGoogle ↗
OBSERVEDComparison
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (2)
Classes come from the query-classifier (a local Laya model). 2 of 2 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT2 real searches · gpt-6
2024 2025 systematic review meta-analysis oral collagen supplements skin wrinkles randomized controlled trials funding bias Google ↗
topical anti-aging serums retinoids vitamin C hyaluronic acid randomized clinical trials wrinkles evidence comparison collagen supplements Google ↗
- Effects of Collagen Supplements on Skin Aging: A Systematic Review and Meta-Analysis of Randomized Controlled Trials · pubmed.ncbi.nlm.nih.gov
- Effects of Collagen Supplements on Skin Aging: A Systematic Review and Meta-Analysis of Randomized Controlled Trials · doi.org
- Clinical Efficacy of Topical Vitamin C on the Appearance of Wrinkles: A Systematic Literature Review · pubmed.ncbi.nlm.nih.gov
- Comparative efficacy of topical interventions for facial photoaging: a network meta-analysis · pmc.ncbi.nlm.nih.gov
- Comparing Tretinoin to Other Topical Therapies in the Treatment of Skin Photoaging: A Systematic Review | American Journal of Clinical Dermatology · doi.org
- Low‐molecular‐weight collagen peptides supplement promotes a healthy skin: A randomized, double‐blinded, placebo‐controlled study - Seong - 2024 - Journal of Cosmetic Dermatology · onlinelibrary.wiley.com
Queries
2 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
2024 2025 systematic review meta-analysis oral collagen supplements skin wrinkles randomized controlled trials funding bias OBSERVED | Google ↗ AI Mode ↗ | — | Reason | — | — | 1x of 1 | |
topical anti-aging serums retinoids vitamin C hyaluronic acid randomized clinical trials wrinkles evidence comparison collagen supplements OBSERVED | Google ↗ AI Mode ↗ | — | Comparison | — | — | 1x of 1 |