Rambiazana là EO chưng cất hơi nước từ lá Helichrysum gymnocephalum Humbert (Asteraceae) — Madagascar endemic; tên Malagasy Rambiazinza vavy (B216 EXPLICIT). Helichrysum-genus commercial-EO THỨ HAI trong wiki sau [[peta]] EO785 (H. splendidum Nam Phi) — opens same-genus 2-WAY-cluster disambiguation (peta α-terpinene-DOM multi-class clean DATA-GAP vs rambiazana 1,8-cineole-DOM children-face-CONTRA — chênh cap 5× trong cùng chi).
- Hóa học 1,8-CINEOLE 47.4% chủ đạo (extreme-dominant cineole-class) + Bicyclosesquiphellandrene 5.6% + γ-Curcumene 5.6% + α-Amorphene 5.1% + Bicyclogermacrene 5.0% + p-Cymene 4.3% + δ-Cadinene 3.6% + β-Selinene 3.3% + Terpinen-4-ol 2.7% + (E)-β-Ocimene 2.4% + 2,3-Dihydro-1,8-cineole 2.1%; total ~91% (Afoulous et al 2011).
- CAP T&Y "None known × 2" framework 5.0% người lớn — NHƯNG B216 EXPLICIT children-face CHỐNG CHỈ ĐỊNH verbatim "Hazards: Essential oils high in 1,8-cineole can cause CNS and breathing problems in young children. Contraindications: Do not apply to or near the face of infants or children" — khung pediatric cineole-class chuẩn qua Melis 1989 nasal-instillation severe-poisoning case-report.
- 1,8-Cineole-EXTREME-DOM pediatric-face-CONTRA class-rail (≥30% threshold): rambiazana 47.4% + class với [[eucalyptus-cineole]] EO714 (60–90% 7-loài umbrella) + [[galangal-greater]] EO729 (25–30% INVERSE-THRESHOLD pair) + [[galangal-lesser]] EO730 (49.6% trên umbrella) + [[spanish-marjoram]] EO766 (45.1–58.6%) + [[combava-leaf]] EO709 + ravensara-leaf cineole-CT 56.5%. Class-distinct với cineole-trace <10%: [[peta]] EO785 8.6% + [[pteronia]] EO792 9.0% sub-threshold.
- Quadruple-clean profile (DƯƠNG class-rail): B216 EXPLICIT "judging from its composition the risk of skin reactions is likely to be low" + non-phototoxic-by-composition + acute-data-gap + + δ-cadinene 3.6% Ch.14 anticarcinogenic class — bối cảnh nghiên cứu KHÔNG phải tuyên bố trị liệu.