Zinc Neodecanoate
What it is
A zinc salt of neodecanoic acid (CAS 27253-29-8) used to control odor.
In this product: Deodorant active, neutralizes odor.
Dose & route, what actually matters
No specific toxicity flag at cosmetic concentrations. CIR notes spray deodorants release a larger particulate fraction than other formats, an argument for non-aerosol formats generally, not against this ingredient specifically.
EUROPEAN UNION
Not specifically restricted (Annex II/III).
UNITED STATES
CIR (2024) assessed 27 zinc salts including this one as safe with concentration limits.
The evidence
The CIR Expert Panel assessed 27 inorganic and organometallic zinc salts as used in cosmetics and found them safe subject to use limitations.
regulatory · 2024 · source
California Prop 65: Not listed.
Where it hides
Editorial analysis of publicly available regulatory and peer-reviewed sources. Not medical advice. We name our evidence and link it, including when an ingredient is fine.