Is latisse (bimatoprost) dangerous to use at all? are there any health risks to using it?

Yes: Latisse (bimatoprost) is the same as Lumigan (active ingredient a prostaglandin). Sometimes Latisse (bimatoprost) can cause redness, darkening of the skin around the eye with extra hair growth, iris color darkening, etc. No systemic health risks.

Not dangerous: Although there can be side effects from using latisse, (bimatoprost) it is not dangerous. Aside from lengthening eyelashes, the active ingredient can permanently darken eyelid skin, cause hazel or green eyes to become brown, and can even cause hair growth on the eyelid skin. No systemic side effects have been found with use of Latisse (bimatoprost) or Lumigan (same medicine, used for glaucoma).