Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Clay, particularly certain types such as bentonite and French green clay, has been used historically for wound care and infection treatment, and there is emerging scientific evidence supporting its antibacterial properties. Research has shown that some natural clays can inhibit the growth of a variety of pathogenic bacteria, including methicillin-resistant Staphylococcus aureus (MRSA) and Pseudomonas aeruginosa. The antibacterial activity is believed to result from the release of metal ions and changes in local pH or osmotic pressure, which can disrupt bacterial cell membranes. Laboratory studies, such as those published in PLoS ONE (2011) and International Journal of Antimicrobial Agents (2012), have demonstrated that particular clay minerals possess bactericidal effects against clinically relevant pathogens. However, clinical studies in humans are limited, and most evidence to date comes from in vitro or animal models. Traditional use of clay for skin infections and wound healing is widespread in various cultures, but scientific validation is still in early stages. While these findings are promising, more robust clinical trials are necessary to establish standardized protocols for using clay therapeutically against bacterial infections.

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