A multi-headed personal care assembly includes an appliance having at least first and second drive assemblies configured to selectively oscillate at least first and second personal care portions. An interface assembly is configured to removably attach two or more personal care portions to two or more drive assemblies of an appliance, wherein the two or more drive assemblies are configured to selectively oscillate the two or more personal care portions. A method of treating an application surface includes removably attaching a first personal care portion to an appliance, removably attaching a second personal care portion to the appliance, and selectively oscillating the first and second personal care portions in response to one or more inputs.