Alcohol Denat.
Denatured Alcohol · SD Alcohol
What it is
Ethyl alcohol made undrinkable by a denaturing agent, the main solvent and carrier, roughly half the can by weight.
In this product: Solvent and carrier; flash-evaporates on skin.
Dose & route, what actually matters
The IARC Group 1 classification for ethanol is about drinking it, not spraying it. A deodorant body spray tested at 98% SD alcohol caused no irritation or sensitization in human patch testing.
EUROPEAN UNION
Not restricted (no Annex II/III listing).
UNITED STATES
Permitted; CIR-reviewed as safe in cosmetic use.
The evidence
A repeated-insult patch test of a deodorant body spray containing 98.2% SD Alcohol on 91 people produced no irritation or sensitization.
human · 1984 · source
California Prop 65: Beverage ethanol is listed for reproductive toxicity via oral consumption only, not cosmetic spray use.
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.