AbstractIn the digital age, the pervasive influence of social media platforms on consumer behavior has garnered significant attention from researchers, marketers, and businesses alike. This review paper aims to comprehensively explore the multifaceted role of social media in shaping consumer perception. Drawing upon a diverse range of empirical studies, theoretical frameworks, and industry reports, this paper synthesizes current knowledge and identifies key trends in this dynamic landscape. The paper begins by elucidating the fundamental mechanisms through which social media platforms influence consumer perceptions. It delves into the power of user-generated content, peer-to-peer interactions, and influencer marketing in shaping brand image, trust, and credibility. Additionally, it highlights the impact of viral content and online communities in disseminating information and shaping collective opinions. Furthermore, the paper examines the psychological and sociocultural factors that mediate the relationship between social media exposure and consumer perception. It investigates how cognitive biases, social comparison theory, and information processing mechanisms play pivotal roles in shaping consumers' attitudes, preferences, and purchase intentions. The review also scrutinizes the challenges and ethical considerations associated with social media's role in consumer perception. It addresses issues such as misinformation, filter bubbles, and the potential for manipulation, shedding light on the need for responsible practices in digital marketing. In conclusion, this review synthesizes current research on the role of social media in shaping consumer perception, providing a comprehensive overview of the key mechanisms, psychological processes, and ethical considerations involved. The paper underscores the importance of understanding and harnessing the power of social media for businesses and marketers seeking to navigate the complex landscape of consumer behavior in the digital era. It also suggests avenues for future research, emphasizing the evolving nature of this field and the need for continued exploration.