21st SIS会议网站临时网址：http://www.sis2016.org/，请敬关注。

The purpose of this series of symposia is to exchange and discuss new ideas and new findings in various areas of Surfactants in Solution. Following the great success of the previous twenty symposia, the 21st International Symposium on Surfactants in Solution (SIS2016) is organized by the Key Laboratory of Colloid and Interface Chemistry, Shandong University, Ministry of Education. We warmly welcome scientists and technologists in the areas of Colloidal Science and Surfactant Science from around the world to join us and we believe that your participation will be a great contribution toward the success of SIS2016 in Jinan.