The present invention relates to a novel hemostatic composition notably useful to ensure good hemostasis and maintain the sulcular opening after a gingival eviction procedure.According to the invention, this composition is in the form of an extrudable hydrophilic paste and contains, expressed as percentage by weight relative to the total weight of said composition:between 5 and 15% of an astringent, preferably aluminum chloride；between 2 and 15% of kaolinitic clay, preferably kaolin；between 10 and 20% of a texturizing agent comprising one (or more) naturally-occurring polysaccharide(s) with gelling or thickening power optionally combined with plant fibers；between 50 and 70% of water；between 0 and 20% of a humectant；the total quantity of water and humectant being comprised between 55 and 75% by weight relative to the total weight of the composition.
