Sombra Warming Gel: Sombra Warming Gel provides temporary pain relief for simple backaches, arthritis, strains, bruises and sprains. It is alcohol-free, non-greasy and does not stain. Prossage Heat Ointment: Prossage Heat Ointment was developed to produce gentle penetrating heat to the skin, fascia, muscles and other soft-tissue structures. This all-natural ointment can be used for myofascial release, deep tissue work and trigger point therapy.