Infact
58 / 100
Mixed

Hair contains information about substances in the bloodstream and is commonly used in forensic evidence.

Infact verdict: Mixed (58/100).

The claim that hair contains information about everything that has ever been in your bloodstream, including drugs, is misleading. While hair can retain traces of certain substances, it does not contain information about everything that has ever been in the bloodstream. The claim that hair is one of the most commonly used types of forensic evidence is supported by multiple sources, indicating its frequent use in forensic investigations to establish associations between individuals and crime scenes.

October 06, 2026 Language: en 2 claims analyzed
How is this score determined? →

Individual claims

48
Mixed Science
Hair contains information about everything that has ever been in your bloodstream, including drugs.
The claim is misleading. Hair can retain traces of certain substances like drugs, but it does not contain information about everything that has ever been in the bloodstream. Sources like Karma Hair Beauty and Parsi Khabar suggest this, but they are not authoritative scientific sources.
Fact Check Score None
Fact Check Weight 0
Web Consensus Score 50
Web Consensus Weight 40
Source Quality Score 40
Source Quality Weight 20
Llm Reasoning Score 50
Llm Reasoning Weight 40
Llm Reasoning Score Raw 50
Weighted Total 48
Evidence Summary 3 web sources, but not authoritative.
68
Mostly True Crime
Hair is one of the most commonly used types of forensic evidence.
Multiple sources confirm that hair is frequently used in forensic investigations to establish associations between individuals and crime scenes. Sources like ScienceDirect and News-Medical support this claim.
Fact Check Score None
Fact Check Weight 0
Web Consensus Score 75
Web Consensus Weight 40
Source Quality Score 70
Source Quality Weight 20
Llm Reasoning Score 70
Llm Reasoning Weight 40
Llm Reasoning Score Raw 70
Weighted Total 68
Evidence Summary 2 authoritative web sources confirm.

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