Database/Absorbent/Ammonium Silver Zinc Aluminum Silicate
Mostly natural · ISO 16128

Is Ammonium Silver Zinc Aluminum Silicate natural?

Mostly. Zeolite framework and silver and zinc ions are mineral; nitrate from the exchange salts leaves no mass; only the small ammonium share comes from synthetic natural-gas ammonia.

INCI nameAmmonium Silver Zinc Aluminum Silicate
CAS130328-20-0
FunctionAbsorbent · Deodorant
FeedstockDominant route: synthetic zeolite A (sodium silicate and…

How we scored it

Zeolite A framework with assumed Ag 3%, Zn 6%, NH4 1% by mass: mineral (Si, Al, O, Ag, Zn) 99%; ammonium from synthetic ammonia 1% (n = 0). 0.99.
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

Dominant route: synthetic zeolite A (sodium silicate and sodium aluminate) ion-exchanged with silver, zinc and ammonium nitrate solutions. Natural zeolite (clinoptilolite) can also serve as the host, which is mineral as well.

In plain English

A mineral powder: a zeolite (aluminium silicate) whose exchangeable sites hold silver, zinc and ammonium ions. It is used to absorb moisture and odour in deodorants and as a preservative aid.

CosIng definition: Ammonium Silver Zinc Aluminum Silicate is a complex silicate formed from the reaction of zinc nitrate, ammonium nitrate and silver nitrate with zeolite.

Natural alternatives with the same function

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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. 2AMMONIUM SILVER ZINC ALUMINUM SILICATE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  3. 3AMMONIUM SILVER ZINC ALUMINUM SILICATE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=AMMONIUM%20SILVER%20ZINC%20ALUMINUM%20SILICATE