Hostiles root bark contains high quantity of tannins that prevents skin bleeding and protect it against any future damage The fact that it contains high concentration of tannin helps to prevent wood from rotting. This herb is also used in tie dying.  Also known as jurema, vinho jurema, jurema preta or black jurema in Brazil, Mimosa Hostilis is a completely natural dye that is created entirely without chemicals compared to traditional dyes used in the commercial setting that are created purely with synthetics, and since it is 100 percent biodegradable it is one of the safest types of dyes for use in clothing because you can wash it anywhere, even in the river while camping, making it one of the only natural choices for tie dye when looking at the modern market that is filled with chemical counterparts.