Why the score varies
This ingredient is made commercially by more than one route, and ISO 16128 scores the feedstock actually used. Without a supplier certificate of origin the value cannot be claimed.
| Route | Feedstock | NOI | Share | Notes |
|---|---|---|---|---|
| plant/propolis extraction | Oroxylum indicum bark, passionflower, or honey/propolis | 1.00 | unknown | |
| chemical synthesis | petrochemical aromatic precursors (resorcinol/acetophenone-type flavone synthesis) | 0.00 | unknown |
How we scored it
Where it comes from
Chrysin can be produced either by extracting it from Oroxylum indicum bark, passionflower, or honey/propolis, or by chemical synthesis from aromatic precursors (Allan-Robinson-type flavone synthesis). Which route dominates commercial cosmetic-grade supply is unclear without further sourcing information.
In plain English
A plant flavonoid found in honey, propolis and passionflower, used here for skin conditioning. It may be obtained either by extracting it from these natural sources or by chemical synthesis, depending on the supplier.
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Structure
5,7-dihydroxy-2-phenylchromen-4-one
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.
- 2Chrysin. PubChem CID 5281607. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
- 3CHRYSIN. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 4CHRYSIN. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=CHRYSIN