Massage pen works based on the principles of magnets therapy as well as on acupuncture points , simple massage on your muscles will be very helpful when it comes to constant muscle and joint pain, back pain, fibromyalgia, muscle tension, acute and chronic physical pain, arthritis, rheumatism, osteoporosis, sciatica, spondylitis, migraine, sports injuries. You can use this unit after applying cream on your face and start massage. First Select Facial Massage Ball which I flatten round then stimulate the face for 5 minutes. Remove the cream on the face.