Antimicrobial / preservative booster
ZIRCONIUM SILVER PHOSPHATE
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
An inorganic powder that slowly releases silver ions to keep formulas and skin surfaces fresher. Often used to fight odour-causing bacteria in deodorants and powders.
Function
Skin benefits
- Inorganic carrier that slowly releases silver ions for antimicrobial protection
- Helps preserve formulas and can reduce reliance on traditional preservatives
- Heat and chemical stability makes it useful in pressed powders and sticks
- Targets odour-causing bacteria when used in deodorant-style products
Known concerns
- SCCS has flagged that micron-sized particulate silver is not considered safe at typical leave-on concentrations
- Silver ion release means cumulative exposure should be controlled, especially in leave-on use
- Zirconium content adds another inorganic exposure layer that needs careful particle-size control
- Not yet covered by a dedicated SCCS opinion the way silver zinc zeolite is, so regulatory status is less settled in the EU
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related antimicrobial / preservative boosters
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.