Database/Antioxidant/Zinc Ascorbate
100% natural origin · ISO 16128

Is Zinc Ascorbate natural?

Yes. Both the ascorbate and zinc portions are natural origin per ISO 16128: vitamin C from fermentation, zinc as a mineral ion.

INCI nameZinc Ascorbate
CAS134343-96-7
FunctionAntioxidant · Oral Care
FeedstockMade by neutralizing fermentation-derived ascorbic acid with a…

How we scored it

Ascorbic acid (fermentation from glucose, 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 ascorbic acid with a zinc mineral source. Both building blocks are natural origin.

In plain English

A stable form of vitamin C bonded to zinc, used as an antioxidant in skin and oral care products. Made from fermentation-derived vitamin C and mineral zinc.

Structure

2D structure of Zinc Ascorbate

PubChem CID 91667835 ↗

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 Ascorbate. PubChem CID 91667835. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3ZINC ASCORBATE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4ZINC ASCORBATE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=ZINC%20ASCORBATE