Propolis   extract is the substance formed by the boron liposome secreted by the plant   bud callus,the secretion of the digestive gland wax gland of worker bees and   the interaction between these two types of substances.Bee propolis is neutral   in nature and non-toxic,it has already been the patron saint of health abroad   and the best product to purify blood,promote cell activity,cure illness and   beautify Europe,bee propolis even becomes the standing health food   for the family,and it has the reputation of purple gold.