QuikClot is a hemostatic (bleeding-control) product that speeds up your body’s natural clotting process to stop dangerous bleeding from wounds. It comes as gauze impregnated with kaolin, a naturally occurring clay mineral, and is the first-line treatment recommended by the U.S. military for severe hemorrhage that can’t be controlled with a tourniquet. It’s also widely used by civilian paramedics, law enforcement, and increasingly by everyday people who keep it in first aid kits.
How QuikClot Stops Bleeding
Your blood already has a built-in clotting system, but it can be too slow when you’re losing blood fast. QuikClot works by jumpstarting one specific step in that process. The kaolin clay in the gauze carries a strong negative charge on its surface. When blood contacts that surface, an inactive clotting protein called Factor XII snaps into its active form. That single activation triggers a chain reaction: more clotting proteins activate in sequence until the blood produces thrombin, which does two critical things. It activates platelets (the cell fragments that physically plug a wound) and triggers fibrin, a tough protein mesh that locks the whole clot together.
In short, QuikClot doesn’t introduce any foreign clotting chemicals into your body. It accelerates the cascade your blood would run on its own, just much faster than your body could manage without help. Earlier versions of the product used a zeolite mineral that worked by absorbing water from the blood to concentrate clotting factors, but that reaction generated significant heat and could burn tissue. The switch to kaolin eliminated the heat problem entirely.
Where It’s Used
The U.S. military’s Committee on Tactical Combat Casualty Care recommends QuikClot Combat Gauze as the go-to hemostatic dressing on the battlefield. In a case series of 103 documented uses, every field application by first responders successfully controlled hemorrhage. The overall efficacy rate across all settings, including last-resort use on critically injured patients with massive wounds, was 92%.
Outside the military, QuikClot is used by paramedics, emergency departments, and law enforcement across civilian sectors. It works regardless of whether the bleeding comes from a gunshot, a knife wound, or a car accident. The FDA has cleared it for temporary control of external bleeding ranging from mild to life-threatening, as well as identifiable sites of internal bleeding during surgery. Consumer versions are sold for home first aid kits, hunting packs, and vehicle emergency supplies.
How to Apply It
QuikClot Combat Gauze looks and handles like standard medical gauze, which is intentional. It’s a rayon/polyester fabric with kaolin baked into the fibers. To use it, you pack the gauze directly into the wound, pressing it firmly against the source of bleeding. The goal is to get the kaolin-coated fabric in direct contact with the damaged blood vessels, not just draped over the skin surface.
Once the wound is firmly packed, hold consistent direct pressure for at least three minutes, or until bleeding stops. For severe wounds, you may need to hold longer. After bleeding is controlled, the gauze stays in place as a dressing until the person reaches medical care. It should not remain in the wound for more than 48 hours, and it must be completely removed before any wound closure, since the gauze is not absorbable by the body.
How It Compares to Other Hemostatic Products
The main alternative you’ll see on the market is Celox, which uses chitosan, a compound derived from shrimp shells. The two products stop bleeding through different mechanisms. QuikClot activates your clotting cascade by triggering Factor XII. Celox works more mechanically: the chitosan granules absorb water from the blood and directly bond to red blood cells, forming a gel-like plug. This means Celox can form a seal even in blood that has trouble clotting on its own, such as in patients on blood thinners.
Both products are effective, and both are used in professional emergency medicine. The U.S. military chose QuikClot Combat Gauze as its standard issue, partly because the gauze format is intuitive for medics already trained on wound packing. Celox also comes in gauze form but is additionally available as loose granules and applicator syringes for narrow or deep wounds.
Storage and Durability
One practical advantage of QuikClot is that it holds up well under rough conditions. Lab testing found that Combat Gauze retained its ability to initiate clotting even after three weeks of storage at temperature extremes, from negative 10°C (14°F) to 70°C (158°F). That makes it suitable for glove compartments in summer, outdoor packs in winter, and deployment in harsh environments. Each package has a printed expiration date, typically a few years from manufacture, and should be replaced when it expires. The vacuum-sealed packaging keeps the kaolin stable and sterile until you open it.
Important Limitations
QuikClot is a temporary measure, not a definitive treatment. It buys time to get a bleeding person to a hospital. It should not be blindly stuffed into deep body cavities where you can’t identify the bleeding source, and it’s not designed for use inside blood vessels. The gauze is single-use only, meaning you should never attempt to re-sterilize or reapply a used dressing.
In the case series of 103 uses, the eight failures all occurred in patients with massive, often fatal injuries where the product was applied as a last resort by physicians. In practical field use by first responders with less catastrophic wounds, the success rate was 100%. That track record is why it has become standard equipment in military, law enforcement, and civilian trauma kits worldwide.