Patent 7431953 was granted and assigned to Nihon University on October, 2008 by the United States Patent and Trademark Office.
It is an object of the present invention to provide anti-allergic agents, skin creams, dermatitis-blocking agents, pollinosis-alleviating agents, and bath agents that serve as antipruritics derived from natural products and that prevent, alleviate and treat various itches felt on the skin.