Real ChatGPT answer · index seedCd4invfrn3gcompleteBeauty and personal care · sun careinformational

Are there any peer-reviewed dermatological studies showing diminishing returns in erythema prevention once a sunscreen exceeds SPF 50 for individuals with Fitzpatrick skin type three?

ChatGPTgpt-63 queries11/1/2026
Download run

Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
Are there any peer-reviewed dermatological studies showing diminishing returns in erythema prevention once a sunscreen exceeds SPF 50 for individuals with Fitzpatrick skin type three?
3 real searches · 1 real-search pass
peer reviewed study SPF 50 versus SPF 100 erythema sunburn randomized trial Fitzpatrick skin type III diminishing returnsGoogle ↗
OBSERVEDComparison
sunscreen SPF 50 100 erythema dose response Fitzpatrick phototype III clinical studyGoogle ↗
OBSERVEDReason
SPF 50+ diminishing returns erythema prevention sunscreen SPF 50 70 100 studyGoogle ↗
OBSERVEDReason

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 (3)
Short factOther / navigationalComparison33%ConsequenceReason67%DefinitionInstructionYes / no

Classes come from the query-classifier (a local Laya model). 3 of 3 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.

Searches and sources

Queries

3 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
peer reviewed study SPF 50 versus SPF 100 erythema sunburn randomized trial Fitzpatrick skin type III diminishing returns
OBSERVED
Google ↗
AI Mode ↗
—Comparison——1x
of 1
sunscreen SPF 50 100 erythema dose response Fitzpatrick phototype III clinical study
OBSERVED
Google ↗
AI Mode ↗
—Reason——1x
of 1
SPF 50+ diminishing returns erythema prevention sunscreen SPF 50 70 100 study
OBSERVED
Google ↗
AI Mode ↗
—Reason——1x
of 1