Database/Antimicrobial/Zinc Citrate
100% natural origin · ISO 16128

Is Zinc Citrate natural?

Yes. Citric acid is a fermentation product and zinc is a mineral counter-ion; both natural origin under this site's method.

INCI nameZinc Citrate
CAS546-46-3
FormulaC12H10O14Zn3 · 574.3 Da
FunctionAntimicrobial · Antiplaque
FeedstockMade by neutralizing fermentation-derived citric acid with a…

How we scored it

Zinc salt of citric acid; citrate from fermentation (natural) + zinc mineral counter-ion (natural) → 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

Made by neutralizing fermentation-derived citric acid with a zinc mineral source. Both the organic acid and the metal ion are natural origin.

In plain English

A salt combining zinc with citric acid made from fermented sugars. Used in toothpaste to help fight plaque and bacteria.

CosIng definition: Zinc Citrate is the zinc salt of citric acid that conforms to the formula:

Structure

2D structure of Zinc Citrate

trizinc bis(2-hydroxypropane-1,2,3-tricarboxylate)

PubChem CID 11023 ↗

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. 2Zinc Citrate. PubChem CID 11023. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3ZINC CITRATE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4ZINC CITRATE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=ZINC%20CITRATE