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Using Clay in Wilderness Medicine — Is It Safe?

April 6, 2026

Quick Answer

Using clay in wilderness medicine can be a safe and effective treatment option, particularly for minor wounds and infections. It has been used for centuries in traditional medicine to promote healing and prevent infection.

Natural Antiseptic Properties

Clay, specifically bentonite clay, has been found to have natural antiseptic properties that can help prevent infection and promote healing. When applied to a wound, clay can help to draw out impurities and toxins, reducing the risk of infection. In a study published in the Journal of Environmental Science and Health, Part B, bentonite clay was found to have antimicrobial properties, inhibiting the growth of E. coli, S. aureus, and P. aeruginosa bacteria.

Using Clay in Wilderness Medicine

To use clay in wilderness medicine, mix 1-2 tablespoons of bentonite clay with water to create a paste. Apply the paste to the affected area, covering it with a breathable dressing or cloth. Leave the dressing in place for 24-48 hours to allow the clay to work its magic. You can also add other natural antiseptics like honey or plant extracts to the clay paste for enhanced healing properties.

Creating a Clay Poultice

To create a clay poultice, mix 1-2 cups of bentonite clay with 1-2 cups of water to create a thick paste. Apply the paste to a clean cloth or gauze, making sure to cover the affected area. Secure the poultice with a bandage or wrap, leaving it in place for 24-48 hours. The clay will help to draw out impurities and promote healing, while the poultice will keep the area clean and protected.

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