Cutis Laxa is a rare genetic disorder that affects the skin, joints, and other organs. The exact cause of Cutis Laxa is unknown, but it is believed to be caused by mutations in certain genes. These mutations can be inherited from a parent or can occur spontaneously. Some of the known genetic causes of Cutis Laxa include mutations in the ELN, FBLN5, and ATP6V0A2 genes. Other causes may include environmental factors, such as exposure to certain chemicals or radiation.