
Hello,
Itchy skin that isn't accompanied by other obvious skin changes, such as a
rash, is most often caused by dry skin (xerosis).Then skin conditions like psoriasis,dermatitis and hives, internal diseases like liver and kidney disorders,diabetes, iron deficiency anemia, irritation and allergic reactions to chemicals,wool,soaps,cosmetics and certain foods can also cause itchy skin of the hands.
Wash the areas several times with fresh water. Do not use any cosmetic products at the sites.