Compress for cold or warm application The compress can be used not only for cooling but also for warming. When applied cold, it can have a decongestant and pain-relieving effect and is used for inflammation of the joints or muscles, swelling, bruises, blunt injuries, insect bites, or toothaches. During the warm application, the compress contributes to relaxation and promotes blood circulation and can help with tension, muscle soreness, back pain or menstrual cramps.