How we scored it
Single plant lignan (C22H26O8, 418 Da) isolated by extraction/purification from plant tissue; no fragments to split. 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
Commercially obtained by extraction and purification from lignan-rich plant material such as clove, sesame or Eucommia bark. No petrochemical total-synthesis route is used at commercial cosmetic scale.
In plain English
A plant compound (a lignan) found in sources like sesame, clove and other plants. Used in skincare as an antioxidant that also helps brighten and soothe skin.
CosIng definition: Syringaresinol is the organic compound that conforms to the formula:
Structure
4-[6-(4-hydroxy-3,5-dimethoxyphenyl)-1,3,3a,4,6,6a-hexahydrofuro[3,4-c]furan-3-yl]-2,6-dimethoxyphenol
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.
- 2Syringaresinol. PubChem CID 100067. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
- 3SYRINGARESINOL. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 4SYRINGARESINOL. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=SYRINGARESINOL