Sustainability has become a central issue for luxury marketers and managers. By considering the luxury sector, consumers are more interested in buying sustainable products. However, luxury brands need to find the right way to communicate their sustainable products, especially in the online context. This paper sheds light on the differentiated effect of a luxury product communication message focused on an internalized versus externalized luxury approach in social media platforms context. Internalized luxury refers to luxury consumption mainly driven by individual style, while externalized luxury consumption refers to luxury consumption mainly driven by status. Results show that a sustainable luxury product communication focused on internaliz...