For use with the dermatx facial tool in dermatx microdermabrasion systemsthe foam attachment head features a carefully selected foam pad manufactured for use specifically with dermatx microdermabrasion creams the massaging action of the foam head allows the mineral crystals in the creams to gently remove dead skin cells polish the skin and stimulate microcirculationplease note it is recommended that the attachment heads are changed regularly at least every three months