In a groundbreaking development that could transform emergency medical response, scientists at the Korea Advanced Institute of Science and Technology (KAIST) have unveiled a next-generation hemostatic spray-on powder. This innovation, first revealed in late December 2025, is poised to address one of the most critical challenges in trauma care: severe bleeding in the initial minutes after injury, a leading cause of preventable death worldwide.
Rapid Transformation into a Protective Gel
The spray-on powder, developed by a joint research team led by Professors Steve Park and Sangyong Jon, works by transforming into a strong hydrogel barrier within approximately one second upon contact with a wound. This rapid action allows it to seal injuries almost instantly, even in deep or hard-to-reach areas where traditional methods may fall short. The gel forms a durable, antibacterial layer that effectively absorbs heavy bleeding, providing immediate protection and stabilization.
Natural Ingredients for Enhanced Safety
What makes this innovation particularly impressive is its composition. The powder is crafted from natural ingredients, including seaweed extracts and shell-derived compounds, which not only help accelerate blood clotting but also offer wound protection. These biocompatible materials reduce the risk of adverse reactions, making the spray suitable for a wide range of emergency scenarios. Additionally, the gel is designed to withstand harsh conditions, with a shelf life of up to two years, ensuring reliability in demanding environments.
Targeting Critical Emergency Settings
Designed specifically for high-stakes settings such as battlefields, ambulances, and emergency rooms, this hemostatic spray aims to bridge the gap in care during the first critical minutes after trauma. By enabling rapid application and effective sealing, it could significantly improve survival rates for patients suffering from life-threatening injuries. The technology represents a major step forward in portable and accessible emergency care solutions.
Future Implications and Availability
While the spray-on powder is not yet commercially available, its potential to redefine emergency response is immense. Researchers anticipate that, once approved and deployed, it could be used anywhere and anytime, from remote locations to urban centers, enhancing global preparedness for traumatic incidents. This development underscores the ongoing advancements in medical technology aimed at saving lives through innovative, user-friendly tools.



