Last resort for melasma derm put me on hydroquinone for a few months how likely is it that you would get cancer from it worried. Tyvm?

Safe? While it can be effective at lightening dark spots on the skin, there has been some debate as to whether or not it's safe. Animal studies involving very high doses of hydroquinone administration showed the potential to cause cancer, according to the FDA. However, no carcinogenic properties have been associated with topical or oral hydroquinone use in humans. Banned it's use in several countries.