The list below shows some of the causes of Thin skin mentioned in various sources: 1  Acrogeria (Gottron Type) - thin skin. 2  Adrenal adenoma, familial - thin skin. 3  Adrenal Cancer - thin skin. 4  Adrenal Cortex Diseases - thin skin. 5  Adrenal Cortex Neoplasms - thin skin. 6  more causes...».