Acacia Bark (Acacia decurrens): Strongly astringent, babul is used to contract and toughen mucous membranes throughout the body in much the same way as witch hazel or oak bark does. Babul may be made into a variety of preparations: for instance, a lotion for bleeding gums, a gargle for sore throats, a wash for eczema, an eyewash for conjunctivitis and other eye problems, and a douche for excessive [...]