Kohl's will add the Bliss brand to its lineup of skin care brands. The partnership will offer signature skin care and body products beginning next month at more than 500 Kohl’s stores and Kohls.com, rolling out to all stores this year.   “We are excited to add Bliss to our growing assortment of national brands,” said Kevin Mansell, Kohl's chairman, chief executive officer and president. “Over the past two years, we have introduced more than thirty new beauty brands and will conti...