The cocoa butter formula heel repair is specially formulated to soften, and smooth dry, cracked or callused heels, and feet. Menthol, the main active ingredient in peppermint oil, is a cooling agent that can be used to treat inflammation and muscle aches. Most importantly, peppermint essential oil is a natural moisturizer, so it can help to relieve dry feet. When massaged into the base of your three middle toes, the anti-inflammatory and antiviral properties of eucalyptus oil are believed to relieve sinus congestion and ease muscle pain