Political consumerism is consumer choice beyond self-interest. Allegedly blurring the public–private threshold and overcoming the limits of traditional politics, it epitomizes in many respects late modern governance. Reflecting on the meaning and scope of consumer political agency, scholarship has engaged with the governmentality perspective. Important studies have ensued, together with irresolvable disputes and a neglect of the relationship that consumers establish with their objects of concern. To address this question, and drawing on the philosophical contributions of Roberto Esposito, the article (...) elaborates on the notion of immunization. Being immune means having nothing in common with others, no obligations towards them. This analytical register may significantly broaden our understanding of current changes in political agency. A review of three main issues (responsibility-taking, downshifting, and the public) shows that the paradox of political consumerism – like other forms of governance that replace political obligations with private autonomies – is that it endeavours to (re)establish or strengthen the communal ties while at the same time using immunization as its fundamental resource. (shrink)