How we scored it
Whole volatile seed oil, entirely plant-derived lipid/terpene fraction; no petrochemical fragment present; natural origin = 1.0.
What counts. ISO 16128-2 scores the atoms that remain in the final ingredient. Reagents, solvents, catalysts and protecting groups used during manufacture leave no mass behind and are not counted.
Where it comes from
Steam-distilled or expressed from the seeds of Japanese pepper (sansho), Zanthoxylum piperitum. No alternative synthetic route exists commercially.
In plain English
A fragrant oil pressed or distilled from Japanese sansho pepper seeds, used to scent and flavour cosmetic products. It comes straight from the plant with no chemical modification.
CosIng definition: Zanthoxylum Piperitum Seed Oil is the volatile oil derived from the seeds of Zanthoxylum piperitum.
References
- 1ISO 16128-1:2016 and ISO 16128-2:2017 — Guidelines on technical definitions and criteria for natural and organic cosmetic ingredients and products. ISO, Geneva.
- 2ZANTHOXYLUM PIPERITUM SEED OIL. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3ZANTHOXYLUM PIPERITUM SEED OIL. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=ZANTHOXYLUM%20PIPERITUM%20SEED%20OIL