Face buff clears the way for an easier shave by smoothing the surface of your skin menthol and vitamin c help wake up and invigorate skin while micro fine scrubbing particles open congested pores and sweep away deep down oil dirt and dead skin cells why because removing oil dirt and dead cells helps your razor get closer for a smoother easier shave so less chance of razor drag and razor burn getting rid of those dead cells also helps prevent future ingrown hairs how do i use it