DermaBlue™+ Foam Transfer is a thin foam wound dressing that is highly absorbent. Made of polyurethane/polyether foam, methylene blue (up to 0.25mg/g), gentian violet (up to 0.25mg/g), and silver sodium zirconium phosphate (up to 7mg/g). The 3 ingredients provide broad-spectrum antimicrobial protection within the dressing.