Other studies report that focal hyperpigmentation was rare when bremelanotide was administered according to the recommendations, but it was still observed in over one-third of subjects following up to 16 consecutive daily doses
Different mechanisms including DNA damage, promotion of lipid peroxidation, and protein modification are caused by oxidative stress lead to tissue damages which have been implicated in the pathogenesis of various systemic diseases
Yanovski JA, Krakoff J, Salaita CG, McDuffie JR, Kozlosky M, Sebring NG, et al
Wattanathorn J, Chonpathompikunlert P, Muchimapura S, Priprem A, Tankamnerdthai O (2008) Piperine, the potential functional food for mood and cognitive disorders
and additional emollients and antioxidants 1