This study aims to analyse the relation between sustainable fashion trends and second-hand shopping while keeping in mind the importance and role of social media. A qualitative methodology approach was adopted to analyse the research propositions and form a better understanding of the research gaps and further investigations. The main results highlight the influence of social media engagement, endorsement by influencers, transparent sustainability communication, and circular business models on second-hand shopping behaviours. The conclusion drawn underscore the significance of considering these factors in shaping consumer attitudes and behaviours towards sustainable fashion and second-hand shopping, while also acknowledging the limitations of qualitative research and offering suggestions for future research directions. Overall, this study contributes to a deeper understanding of the evolving landscape of sustainable fashion consumption and its implications for the fashion industry and society.