The invention relates to a hemostatic composition in powder form comprising collagen of the fibrillar type comprising a content of fibrous collagen and/or fibrillar collagen of at least 70% by weight relative to the total weight of the collagen, and at least one monosaccharide, and optionally, at least one compound selected from coagulation factors and glyclosaminoglycans. The invention further relates to a method for preparing such composition, and to a unit comprising such composition and a spraying device.
