Oak Bark extract

Appearance:Yellow brown powder
Shelf life:2 years
Storage:Avoid exposure to sunlight,Keep dry 
Product description:Oak Bark is a powerful astringent that has been used for centuries to control diarrhea, internal and external bleeding, excessive menstrual flow, nosebleeds and hemorrhoids. It is also a potent antiseptic that has helped to control bacterial invasion and infection and has been employed to relieve vaginal and bladder infections, among others.