Reference Source

Hydrogen peroxide solution (more than 20%) · USPS

What is the restriction type for Hydrogen peroxide solution (more than 20%) · USPS?

For Hydrogen peroxide solution (more than 20%), carrier is USPS; restriction type is prohibited; scope is all mail; conditions is Nonmailable Division 5.1 oxidizing substance, recorded from its source on 2026-08-04.

Hydrogen peroxide solution (more than 20 percent).

— pe.usps.com, retrieved 2026-08-04

Item or substance
Hydrogen peroxide solution (more than 20%)
Carrier
USPS our reading
Restriction type
prohibited our reading
Scope
all mail our reading
Conditions
Nonmailable Division 5.1 oxidizing substance
Sourcepe.usps.com
Verified
Review by
DatasetWhat can be mailed: USPS hazardous materials, plus item rules for post and couriers

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

Source

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