Database/Absorbent/Zinc Hydroxide
100% natural origin · ISO 16128

Is Zinc Hydroxide natural?

Yes. Zinc hydroxide is a mined/processed mineral compound; zinc and hydroxide are both explicitly natural-origin under ISO 16128.

INCI nameZinc Hydroxide
CAS20427-58-1
FormulaH2O2Zn · 99.4 Da
FunctionAbsorbent
FeedstockProduced from zinc ore or zinc oxide by…

How we scored it

Single mineral hydroxide; Zn and OH both mineral-origin per this site's explicit metal-hydroxide list → 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

Produced from zinc ore or zinc oxide by mineral processing. No petrochemical route exists for this inorganic compound.

In plain English

A mineral-derived absorbent ingredient made from zinc. It helps formulas soak up excess oil and moisture on the skin.

Structure

2D structure of Zinc Hydroxide

zinc dihydroxide

PubChem CID 9812759 ↗

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 Hydroxide. PubChem CID 9812759. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3ZINC HYDROXIDE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4ZINC HYDROXIDE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=ZINC%20HYDROXIDE