Abstract: A carbon dioxide-containing viscous composition wherein carbon dioxide bubbles are retained in an aqueous viscous composition. Use of the composition makes it possible to treat or ameliorate itching accompanying mucocutaneous diseases or mucocutaneous disorders, mucocutaneous injury, dental diseases, skin ulcer, cryesthesia and numbness caused by peripheral circulatory disorders, musculoskeletal diseases, nervous system diseases, keratosis, constipation, unwanted hair re-growing after depilation, cosmetic troubles in the skin or hair, partial obesity, etc. while exerting little side effects.