Database/Astringent/Quercus Robur Bark Extract
100% natural origin · ISO 16128

Is Quercus Robur Bark Extract natural?

Yes. Extract of English oak bark; entirely plant-derived.

INCI nameQuercus Robur Bark Extract
CAS71011-28-4
FunctionAstringent
FeedstockExtracted from the bark of Quercus robur (English…

How we scored it

Bark extract; botanical extract = 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

Extracted from the bark of Quercus robur (English oak) by aqueous or hydroalcoholic extraction. No synthetic alternative exists.

In plain English

A plant extract from English oak bark, valued for its tannin-rich, astringent properties. The bark is extracted to capture its naturally occurring compounds for use in skincare.

CosIng definition: Quercus Robur Bark Extract is an extract of the bark of the English Oak , Quercus robur L., Fagaceae

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