Nerve elongation inhibitor, skin sensory hypersensitivity inhibitor, and marker for detecting skin sensory hypersensitivity

摘要

Provided are a nerve elongation inhibitor, a skin sensation hypersensitivity inhibitor and the like that can effectively inhibit nerve elongation and skin hypersensitivity based on a newly discovered nerve elongation mechanism. (1) a specific flavonoid, (2) tannin, (3) chlorogenic acid, (4) a specific stilbenoid, and a glycoside or pharmaceutically acceptable salt of (1) to (4) above, or ( 5) One or more selected from a specific herbal extract and (6) a walnut polyphenol, a nerve elongation inhibitor or a skin hypersensitivity inhibitor.