Among astringents agents:
• Chestnut tree of India (Aesculus Hippocastanum)
• Aluminum salts
• Root of burdock (Arctium Majus)
• Birch bark (Betula Alba)
• Root of black cohosh (Cimifuga Racemosa)
• St. John's Wort (Hypericum Perforatum)
• Myrtle (Myrtus Communis)
• Willow (Salix Alba)