The application of seeds can last from few hours to one day or several days, if it is necessary to continue stimulation of the point, they should be renewed. Seeds have a great life force and come to interact with affected organs and restores their energy potencial. After treatment seeds can change their structure, shape, color (lose energy potencial, become fragile, black, enlarge or decrease in size, shrivel, crack or even fall to pieces). But it is not advised to use the plant seeds which are poisonous or allergenic for you or environmentally unsound products, also don't fit green, defective or dead seeds.
Like Molly I have been trying to get rid of tinnitus. Maybe this therapy will be the answer for this problem and many others.