The group was formed in 1985 by former members of the prostitution industry. It was subsidized by the Dutch government as a measure of HIV/AIDS prevention. Since 1988 they had published a magazine, Blacklight, written by and for prostitutes. While they did not self-identify as a feminist group, they sympathized with sex-positive feminism. The group closely collaborated with the union FNV which has accepted prostitutes as members since the full legalization of brothels in the Netherlands 2000.