You’ve read all of your free items this month. To register, get added benefits and unlimited access to articles, Become a Member. Already a Member? Sign in. Advertising Age Article Abstract Hair and Skin Care Giant Kao Ends Decade-Long Relationship with KBS, Starts Creative Review Last March, Kao Selected Spark and Digitas to Handle Media and Digital-Creative By Alexandra Bruell, Published on February 14, 2014 0 Want more Access, Content & Connections? Upgrade to Membership. We are glad you are enjoying Advertising Age. To get uninterrupted access and additional benefits, become a member today. Become a Member Already a member? Log in.