This article aims to consolidate the psychological microfoundations of corporate social responsibility (CSR) by taking stock and evaluating the recent surge of person-focused CSR research. With a systematic review, the authors identify, synthesize, and organize three streams of micro-CSR studies—focused on (i) individual drivers of CSR engagement, (ii) individual processes of CSR evaluations, and (iii) individual reactions to CSR initiatives—into a coherent behavioral framework. This review highlights significant gaps, methodological issues, and imbalances in the treatment of the three components in prior micro-CSR research. It uncovers the need to conceptualize how multiple drivers of CSR interact and how the plurality of mechanisms and boundary conditions that can explain individual reactions to CSR might be integrated theoretically. By organizing micro-CSR studies into a coherent framework, this review also reveals the lack of connections within and between substreams of micro-CSR research; to tackle them, this article proposes an agenda for further research, focused on six key challenges