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Revolutionary Spray Stops Severe Bleeding in Just One Second

2/7/2026

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Summary

Story summary

Researchers at the Korea Advanced Institute of Science and Technology (KAIST) in South Korea developed a spray that stops severe bleeding in one second.
The agent is made from alginate and chitosan and forms a gel on contact with blood to seal wounds.
It absorbs seven times its weight in blood.
It has antibacterial properties and aims to reduce preventable hemorrhage deaths in combat and emergencies.
The release date has not been announced.

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Story summary

Researchers at the Korea Advanced Institute of Science and Technology (KAIST) in South Korea developed a spray that stops severe bleeding in one second.
The agent is made from alginate and chitosan and forms a gel on contact with blood to seal wounds.
It absorbs seven times its weight in blood.
It has antibacterial properties and aims to reduce preventable hemorrhage deaths in combat and emergencies.
The release date has not been announced.