ACV is often promoted for foot care because of its antimicrobial and exfoliating properties. Its active ingredient, acetic acid, has been shown in laboratory settings to inhibit the growth of certain bacteria and fungi — which means it may help reduce foot odor and create a less hospitable environment for microbes. It also acts as a mild acid, which can soften dead or thickened skin (like calluses) and help restore the skin’s slightly acidic pH balance, thereby supporting foot hygiene and freshness.
A typical home-use recipe involves diluting the vinegar: for example, 1 part ACV to 2 parts warm water, then soaking the feet for about 10-15 minutes. This low-cost routine is used by many as a self-care measure to soothe tired feet, soften rough areas, reduce odor, and refresh the skin. While this provides lifestyle benefits (comfort, smell improvement, softer skin), it is not a substitute for medical treatment in case of serious foot conditions such as advanced fungal infections, diabetic foot ulcers, or open wounds.
That said, there are important precautions. Because ACV is acidic, using it undiluted or on broken, very sensitive, or inflamed skin can cause irritation or chemical burns. People with diabetes, circulation problems, neuropathy, or open sores should avoid such soaks or use them only under supervision. In summary: when used properly (diluted, limited frequency, for mild issues), an ACV foot soak can be a useful and natural addition to foot-care routines — helping with odor, rough skin, and general freshness — but it should be used with caution and not relied upon as a cure-all for serious foot health issues.