Database/Astringent/Oenothera Biennis Flower Extract
100% natural origin · ISO 16128

Is Oenothera Biennis Flower Extract natural?

Yes. Entire ingredient is an evening-primrose flower extract with no petrochemical processing.

INCI nameOenothera Biennis Flower Extract
CAS90028-66-3
FunctionAstringent
FeedstockThe feedstock is the flowers of Oenothera biennis,…

How we scored it

Whole flower extract; botanical extracts score 1.0 by convention.
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

The feedstock is the flowers of Oenothera biennis, water- or solvent-extracted. No alternative synthetic route exists.

In plain English

An extract of evening primrose flowers, used in formulas as an astringent.

CosIng definition: Oenothera Biennis Flower Extract is an extract of the flowers of the Evening Primrose, Oenothera biennis, Onagraceae

References

  1. 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.
  2. 2OENOTHERA BIENNIS FLOWER EXTRACT. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  3. 3OENOTHERA BIENNIS FLOWER EXTRACT. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=OENOTHERA%20BIENNIS%20FLOWER%20EXTRACT