This study was based on the heterosexual form of sexuality as it is the most dominant form of masculinity amongst the Congolese. The aim of this dissertation was to investigate the type of migrant Congolese heterosexual men living in Durban who mostly use sex-enhancing substances and the reasons behind the practice. It sought to explore the impact of the black African isiZulu cultural environment influence about the use of sex-enhancing substances on the DRC men heterosexual in their negotiation of masculinities within the transnational space Further, the study critically examined how migrant Congolese heterosexual men are renegotiating their masculinities in a transnational space through sex enhancing substances. The key question in this study was “How are men from the DRC using sex-enhancing substances to re-negotiate their masculinities in the transnational space”? The methodology was qualitative and in-depth interview was utilized as the method of data collection. The results of this study indicated that the migrant Congolese heterosexual men in renegotiating their masculinities within the transnational space through sex-enhancing reinforce existing hegemonic notions of masculinities and also end up creating new forms of hegemonic notions of masculinities. Keywords: Masculinities, Gender identities. / Thesis (M.A.)-Universtiy of KwaZulu-Natal, Durban, 2011.