Best Facial Care: Tone+Contour+Smooth With Microcurrent. The 3D Face Roller with a solar panel designed can release gentle microcurrent to stimulate ATP production which energizes the facial muscles. It truly improves facial contour, facial tone, reduces fine lines and wrinkles. It effectively reduces the dark circles, puffiness, and wrinkles during massaging chin, cheeks, forehead, and lips, etc. Non-invasive face-lift and anti-aging achieved via safe and painless microcurrent skincare.