1) Causing blisters 2) Harmful 3) Noxious 4) Vesicant 1) Harmful 2) Noxious 3) Vesicant 
• (n.) A blistering application or plaster; a vesicant; an epispastic. • (a.) Tending, or having power, to raise a blister.
Ves'i·ca·to·ry adjective [ Confer French vésicatoire .] (Medicine) Tending, or having power, to raise a blister. -- noun A blistering application or plaster; a vesicant; an epispastic. 
Vesicatory: A substance that causes tissue blistering. Also referred to as a vesicant.
[adj] - causing blisters
vesicatory 1. Blistering; causing blisters. 2. A blistering agent.
vesicant adjective causing blisters