Use this light weight ergnnomic tool to assist your skin in absorbing the vital nutrients of the topically applied serum o choice. Pleasant, no discomfort and easy to use. The tool beeps every 15 seconds alerting you to move on to next area. Allow approximately five minutes to treat face, neck and decollatage. Professional grade device for home use allows for higher concentrations of essential ingredients to target cells. Noticeably improve your complexion, texture & radiance with continued use. Maintain your Professional skin treatments at home. Please see the complete list of contra-indications.