With EMS technology and 10 million negative ions, the device is the ultimate hair and scalp treatment for hair loss prevention, follicles revitalization, roots strenghtener and hair smoothness. Opt for smooting mode for neutralize frizzy hair and hair static electricity. Choose massaging mode to enhance blood flow, relieve fatigue and provide a scalp massage. Use activating mode to activate follicles, enhance nutrients absorption, reduce dandruff and soothe the scalp.