eCosmetics is an authorized retailer of Supersmile With its sleek and innovative design, the Zina45™ is truly the Tesla of toothbrushes. This is the ONLY toothbrush in the world with our exclusive polishing head that delivers a shine so bright, you’ll need shades just to smile.Features our patentedu00a045u00b0 brush head and 4 unique cleaning modes to help you effectively clean above and below the gum line, preserving your oral (and overall!) health.