Answer
Foam and scalp liquid contain flammable ingredients, while paraffin-based creams and ointments can make clothing and bedding burn more easily.
Sources for this answer
- CLARELUX 500 microgram/g cutaneous foam in pressurised container — Current selected SmPCemc · Summary of Product Characteristics
- Dermovate Cream — Current selected SmPCemc · Summary of Product Characteristics
- Dermovate Scalp Application — Current selected SmPC