[Primary safety] Tisserand & Young, Essential Oil Safety 2nd Ed. — Eugenol dermal limits, methyl eugenol genotoxicity; p. [DATA-NEEDED specific page]
[Chemistry / Primary] PMC 2024, PMID: 39497854 — Comprehensive Review of O. tenuiflorum Phytochemistry — [web:93] https://pmc.ncbi.nlm.nih.gov/articles/PMC11521583/
[Chemistry / Secondary] Flora Journal 2025 — GC-MS O. sanctum: eugenol dominant, chavicol 3.74%, methyl eugenol 2.73% — [web:107] https://www.florajournal.com/archives/2025/vol13issue2/PartA/12-6-27-333.pdf
[Chemistry / Methyl Eugenol CT] Horizone Publishing 2014 — Methyl eugenol 82.9% CT identification — [web:110] https://horizonepublishing.com/journals/index.php/PST/article/download/52/23/767
[Chemistry / Iomcworld] Iomcworld 2020 — Caryophyllene 22.265%, Eugenol 15.906% — [web:114] https://www.iomcworld.com/open-access/chemical-composition-of-ocimum-sanctum-essential-oil-by-gcms-analysis-60222.html
[Safety / Dermal] Essentria Aromatherapy School — Holy Basil dermal max, IFRA 0.05%, no bath use — [web:108] https://www.schoolofessentria.com/blog/holy-basil
[Safety / Methyl Eugenol] Naturkosmos SDS — Methyl eugenol ADI 150 μg/day, IFRA category limits — [web:111] https://naturkosmos.se/dokument/1120%20-%20Helig%20basilika%20Tulsi.pdf
[Safety / Antifungal] IJCMAS 2024 — Antifungal/antiaflatoxigenic O. tenuiflorum EO — [web:99] https://ijcmas.com/13-8-2024/Rajneesh%20Rao,%20et%20al.pdf
[INCI / CAS] SpecialChem CosIng + NHR Organic Oils Spec — OCIMUM TENUIFLORUM OIL, CAS 91845-35-1 — [web:102][web:103]
[Physical data] THREE Holistic Research Center — specific gravity, RI, extraction rate — [web:112] https://hrc.threecosmetics.com/en/essential-oil/detail/913/
[VN Context / YHCT] Trungtamthuoc.com — Húng quế YHCT VN — [web:95] https://trungtamthuoc.com/duoc-lieu/hung-que
[VN Context / Adaptogen] NaturMed Scientific VN — Tulsi benefits Vietnam — [web:91] https://naturmedscientific.com/vi/l%E1%BB%A3i-%C3%ADch-s%E1%BB%A9c-kh%E1%BB%8Fe-c%E1%BB%A7a-h%C3%BAng-qu%E1%BA%BF-th%C3%A1nh/
[Data reliability] MODERATE-HIGH — Chemistry data từ nhiều GC-MS sources; PMID thật từ PMC review 2024; Safety từ IFRA + Essentria Institute (chuyên nghiệp); IFRA limits cần verify với official IFRA Library cho batch-specific methyl eugenol; VN context có source thật dù limited