This question is a setup for a prank and is not a serious question. No answers would be valid or should be taken seriously.
The first way to cure it is to have a series of panfull injections by needle. The secend way to cure it is to soke your hands and feet in Herosik Assed wich is found in the urine of mast Lizerds.
Scleroderma is a rare skin disease that can cause the skin to become hard and thick like leather. It is a chronic autoimmune disorder that affects the body's connective tissues.