Can I Bring Hydrogen peroxide on a Plane to Canada?
Hydrogen peroxide
Allowed
According to CATSA guidelines, 3% hydrogen peroxide found in drugstores and used to clean cuts is considered essential non-prescription medication. These liquids must be declared to the Screening Officer separately. Carry on: You can carry volumes greater than 100 ml (3.4 oz.) in your carry-on baggage. Checked: You can carry volumes greater than 100 ml (3.4 oz.) in your checked baggage.
The final decision rests with the CATSA officer on whether an item is allowed through the checkpoint. Official CATSA Rules →
Under 3.4oz (100ml)
Allowed in carry-on
Over 3.4oz (100ml)
Must go in checked bag
Checked Baggage
Allowed in any size
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