{"schemaVersion":"1.0","generatedAt":"2026-09-22","licence":{"status":"not-yet-granted","spdx":null,"statement":"No licence has yet been granted for SmellBook-created datasets. They are publicly readable; reuse beyond citation and quotation needs permission until a licence is published."},"node":{"entityType":"claim","urn":"smellbook:claim:main-volatiles-collected-from-the-human-scalp","key":"main-volatiles-collected-from-the-human-scalp","label":"Main volatiles collected from the human scalp","description":"Volatiles collected from the human scalp, which the authors call human scalp odour, included 24 identified compounds, the main ones being nonanal, sulcatone, geranylacetone and palmitic acid.","scope":"Volatiles from the human scalp, which the Hair entry includes, collected in a study of what attracts head lice; the abstract does not say whether they were taken from the hair or the skin, or how many people were sampled; composition only, with no assessment of how it smells.","evidenceClass":"scientific","canonicalUrl":"https://smellbook.com/evidence/claims/main-volatiles-collected-from-the-human-scalp","attribution":"SmellBook (https://smellbook.com)"},"outgoing":[{"relation":"cites-source","label":"cites source","entity":"smellbook:source:human-scalp-volatiles-head-lice-2018","entityLabel":"Response of Pediculus humanus capitis (Phthiraptera: Pediculidae) to Volatiles of Whole and Individual Components of the Human Scalp","record":"/data/graph/source/human-scalp-volatiles-head-lice-2018.json","provenance":[{"basis":"claim-record","field":"verifiedClaims[CLM-HAIR-001].sourceIds","evidenceClass":"editorial"}]},{"relation":"claim-about","label":"claim about","entity":"smellbook:smell:hair","entityLabel":"Hair","record":"/data/graph/smell/hair.json","provenance":[{"basis":"claim-record","field":"verifiedClaims[CLM-HAIR-001].smellSlugs","evidenceClass":"editorial"}]}],"incoming":[],"corrections":[],"citation":null,"boundary":"Edges are typed and unweighted; none is a similarity, recommendation or personalization score. Browser-local Personal SmellBook data is never part of this export."}