Aesculus hippocastanum seed has dark brown incrustation which looks like chestnut. It has been used for hundreds of years in the history of European medicine. In the early stage, people will grind it and drink it in tea, which can enhance metabolism and protect the cardiovascular system, or use as an ointment, which can relieve joint discomfort.
In recent years, Horsechestnut extract has been found to reduce varicose veins in European countries, it is gradually popular in European countries where the concept of sports health prevails. It has a very significant effect on daubing joints and relieving pain.