Answer
Wart solutions and gels contain flammable solvents, while paraffin-based ointment can make contaminated fabrics burn more readily.
Sources for this answer
- Salicylic Acid Ointment BP — Current selected SmPCemc · Summary of Product Characteristics
- Occlusal 26% w/w cutaneous solution — Current selected SmPCemc · Summary of Product Characteristics
- Bazuka Extra Strength Treatment Gel — Current selected SmPC