Global Astringent Market By Type (Thrombin-based astringent, Oxidized regenerated cellulose based astringent, Combination astringent, Gelatin-based astringent, and Collagen-based astringent), By Application (Hospitals, Surgical Centers, and Nursing Homes), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029