Wogonin has a Natural Origin Index (NOI) of 1.00 (scale 0–1) per ISO 16128. Wogonin is a flavone native to Scutellaria baicalensis root; extraction/purification is the typical commercial route for this brightening active. An NOI of 1.00 means 100% of its molecular mass is traceable to a natural, renewable source.

Is Wogonin natural? NOI 1.00 — Is That Natural?

How we scored it

Flavone naturally occurring in Scutellaria baicalensis; scored as isolated natural compound since plant extraction is the standard cosmetic-grade route.

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

Purified by extraction and chromatography from Scutellaria baicalensis (Chinese skullcap) root. A synthetic route is chemically possible but not the typical cosmetic-grade source.

In plain English

A brightening compound naturally found in Chinese skullcap root, used in serums to help even out skin tone.

Structure

5,7-dihydroxy-8-methoxy-2-phenylchromen-4-one

PubChem CID 5281703 ↗

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.
2Wogonin. PubChem CID 5281703. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
3WOGONIN. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
4WOGONIN. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=WOGONIN