Problem: To provide a novel organopolysiloxane having a hydrophilic group, that is easy to produce, is chemically stable, has superior utility, and in which separation into two phases and sedimentation of unreacted raw material following production occurs only minimally a method of manufacturing the same and a use thereof.Means To Resolve the Problems: A novel co-modified organopolysiloxane having a group with a siloxane dendron structure and a hydrophilic group a method for manufacturing the same a surfactant and a powder treatment agent comprising the organopolysiloxane copolymer and a cosmetic composition comprising the organopolysiloxane copolymer.
