Saw Palmetto opposes the actions of testosterone. This is significant since testosterone levels have been directly linked to several health conditions including hairloss. Saw palmetto shampoo is very effective in reducing hair fall and also used for regrowth of hair, The Saw Palmetto Harvesting Company manufactures a shampoo which contains Saw Palmetto Extract and Nettle Leaf Extract. For more details visit http://sawpalmetto.com/