"Like melanotan I, this analog is also more potent than natural α-MSH, but it also has more side effects because it is less receptor-specific. In addition to
stimulating increased melanin production, this molecule also decreases appetite and increases libido."
Having a suntan is fashionable in today's society and is associated with an image of health and wellbeing. One only has to look at advertising
www.actasdermo.org
This melanin production will in turn,
increase melanocyte amounts
"
By way of α-MSH, following exposure to the sun ultraviolet radiation, the pigmentation of the skin is stimulated through the increase of the melanin synthesis, as well as proliferation and distribution of the epidemic
melanocytes (16)."
Melanocytes are what makes the eyes various colors
The process of melanin synthesis and distribution is called melanogenesis, a process that is based on melanocytes present among the basal cells of the epidermis. Pigments formed in melanocyte melanosomes are then stored in the basal layer of ...
pmc.ncbi.nlm.nih.gov
So yes, if you ran it enough it would lilely darken your eye comor