Will Melanotan II Permanently Darken Your Skin? How Long Do The Results Last? Listen Notes Whether or not #Melanotan II permanently tans your skin is something that isn't discussed often in relation to its use. I felt the need to address this because I'm a very experienced # Melanocyte stimulating hormone alleviates pathological cardiac remodeling via melanocortin 5 receptor EMBO Reports Springer Nature Link Choroidal and Ciliary Body Melanoma EyeWiki