Can hydroquinone 4% be used on dark marks on the body as well as the face?

Thank you for your question,Hydroquinone can be used to treat pigmentation on the face as well as the body

absolutely.... it can be used face and body. Discontinue use after 5 months and take a 5 week break.be sure to use SPF to protect the progress that you have made. Sun avoidance is best.Best of luck...

Yes, its safe to use. Please do not use whilst pregnant or breast feeding. And I dont recommend using it for more than 6 months continuously. Sunscreen and sun avoidance is advised.