With Vitamin E Softens & Smoothes Dry, Cracked Heels and Feet With Peppermint Oil Perfect Formula. Extraordinary Results Palmer's Cocoa Butter Formula Heel Repair is specially formulated to soften and smooth dry, cracked or callused heels and feet. It contains pure Cocoa Butter, Vitamin E, Shea Butter and Peppermint Oil in a convenient, no-mess stick applicator. The addition of peppermint oil revitalizes sore, tired feet.