Question: what are rare skin conditions?
Answer: National Organization for Rare Disorders: "Peeling Skin Syndrome," "Erythropoietic Protoporphyria and X-Linked Protoporphyria." NIH Genetic and Rare Diseases Information Center: "Peeling skin syndrome," "Elastoderma," "Primary cutaneous amyloidosis." International Hyperhidrosis Society: "Chromhidrosis."