Arthur Guilleminot is an eco-deviant artist and positive maverick that practices fertile and generative disobedience. With his project Piss Soap, he proposes radically regenerative approaches to meet our present and persistent need for change. Piss Soap is a hygienic cleaning product made entirely out of human activity waste. It is not only circular or sustainable but regenerative for our environment and urban habitats. It benefits local inhabitants and municipal services in proposing usable cleaning product that assist the quality of life while tackling current issues of the climate crisis.