Real ChatGPT answer · index seeddsyQg3ZPAeccompleteBeauty and personal care · anti-aginginformational

Which LED light therapy wavelengths have the strongest clinical backing for reducing hyperpigmentation and fine lines simultaneously in photoaged skin?

ChatGPTgpt-63 queries11/1/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
Which LED light therapy wavelengths have the strongest clinical backing for reducing hyperpigmentation and fine lines simultaneously in photoaged skin?
3 real searches · 1 real-search pass
clinical trial LED phototherapy photoaging wrinkles 633 nm 830 nm hyperpigmentation melasma pigmentation randomized study reviewGoogle ↗
OBSERVEDConsequence
LED light therapy wavelengths hyperpigmentation photoaged skin fine wrinkles red amber yellow clinical evidence reviewGoogle ↗
OBSERVEDReason
photobiomodulation red light skin pigmentation melanogenesis 630 nm clinical 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 / navigationalComparisonConsequence33%Reason67%DefinitionInstructionYes / no

Classes come from the query-classifier (a local Laya model). 2 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
clinical trial LED phototherapy photoaging wrinkles 633 nm 830 nm hyperpigmentation melasma pigmentation randomized study review
OBSERVED
Google ↗
AI Mode ↗
—Consequence——1x
of 1
LED light therapy wavelengths hyperpigmentation photoaged skin fine wrinkles red amber yellow clinical evidence review
OBSERVED
Google ↗
AI Mode ↗
—Reason——1x
of 1
photobiomodulation red light skin pigmentation melanogenesis 630 nm clinical study
OBSERVED
Google ↗
AI Mode ↗
—Reason——1x
of 1