 Yes, we cannot take it. Who says no to a shark? Kim and Tim Lewis did when appearing on ABC's hit show Shark Tank. The married couple are the co-founders of Curlmix, a natural hair care brand. The Lewis's started formulating Curlmix in their kitchen and have grown the company into a multi-million dollar business, establishing Curlmix as the black business you should know. I'm Big Sue on the Black Information Network.