Is hydroquinone carcinogenic/does hydroquinone cause cancer ? Studies of hydroquinone in animals have indicated some evidences of cancer causing potential (carcinogenicity). However, the carcinogenic effects in human are not known.
Is hydroquinone toxic ? No. Hydroquinone is not toxic if used as directed, for the prescribed duration by your doctor. It is available as creams and meant for external use on the skin only