---
type: restriction
id: usps-hydrogen-peroxide-solution-more-than-20
asset: shipping-restrictions-by-class
title: "Hydrogen peroxide solution (more than 20%) — Postal shipping restrictions by item category"
sources:
  - https://pe.usps.com/text/pub52/pub52c3_024.htm
source_quote: "Hydrogen peroxide solution (more than 20 percent)."
generated: true
harvested: 2026-08-04
stale_after: 2027-08-04
item_category: "Hydrogen peroxide solution (more than 20%)"
carrier: "USPS"
restriction_type: "prohibited"
scope: "all mail"
conditions: "Nonmailable Division 5.1 oxidizing substance"
verified: false
unverified_fields: carrier, conditions, item_category, restriction_type, scope
---
**Item category:** Hydrogen peroxide solution (more than 20%)

**Carrier:** USPS

**Restriction type:** prohibited

**Scope:** all mail

**Conditions:** Nonmailable Division 5.1 oxidizing substance

> Hydrogen peroxide solution (more than 20 percent).

Source: <https://pe.usps.com/text/pub52/pub52c3_024.htm>