Sodium Nitrate ●
TL;DR. This ingredient is used mainly as an inorganic salt for preservation support, antimicrobial control, and sometimes corrosion control in water-based formulas. It is usually a minor functional additive rather than a skin-benefit active.
What does Sodium Nitrate do in a cosmetic formula?
This ingredient is used mainly as an inorganic salt for preservation support, antimicrobial control, and sometimes corrosion control in water-based formulas. It is usually a minor functional additive rather than a skin-benefit active.
Is Sodium Nitrate clean?
From a clean-beauty perspective, this ingredient is not a major sensitizer and is generally well tolerated at low cosmetic use levels. The main scrutiny is around it chemistry, especially potential nitrosation considerations when formulas also contain secondary amines or nitrosamine-prone systems.
Is Sodium Nitrate sustainable?
This material is mineral-derived or industrially synthesized from inorganic feedstocks, so it is not renewable in the plant-based sense. It is highly water soluble, does not bioaccumulate, and is not biodegradable because it is an inorganic salt, but large releases can contribute to nutrient loading in waterways.
Is Sodium Nitrate COSMOS-approved?
It may fit COSMOS-natural only when sourced and processed as an allowed mineral-origin inorganic ingredient, but it would not contribute to organic content. Its Green Chemistry profile is mixed, with simple inorganic chemistry and good water solubility, but nonrenewable sourcing and nutrient-loading potential limit alignment.
How does Sodium Nitrate work chemically?
The molecule is a fully dissociated ionic salt in water, supplying sodium and it ions rather than forming an oil-soluble or film-forming structure. It is stable across typical cosmetic pH ranges, but formulators should consider compatibility with amines, reducing conditions, and overall nitrosamine-control practices.
Last updated 2026-05-13