How does Latisse affect eye color?

The iris of the eye has pigment in it, much like hair.  This pigment, or melanin in some cases of patients  using the glaucoma drop Lumigan, had their eyes become darker by the activation of the cells that produce pigment.  It was most noticable in lighter colored eyes that became darker, and... more

This is a confusing issue. Lumigan has been found to possibly darken the iris color.  This is most risky for blue eyes which can become hazel.  In their studies, Latisse (which is the same medication but is not applied to the eyeball iteself like Lumigan) was not found to cause this problem. Allergan... more