Chlorine dioxide protocol, (non-toxic), has been shown to regrow hair. 50 ppm solution in ~ 1 oz water sprayed onto scalp, be careful not to get any into the eyes, it will sting, see genesis2church dot org for more info. This is marketed as Miracle Minerals Solution. There are dozens of vendors for this product, which is 28% sodium chlorite with a 50% citric acid or 4% HCL acid activator. It is inexpensive, $20.00 - $30.00 delivered. 50 drops of 28% sodium chlorite with 50 drops of either 50% citric acid or 4% HCL acid activator mixed in a glass or ceramic cup for at least 20 seconds equals 50 ppm chlorine dioxide. Chlorine dioxide works through oxidation. Bob Beck protocol, 15-25 (or higher) ppm topical colloidal silver, and pulsed magnetic field device used on the scalp. See bobbeck dot com. Amazing1 dot com has a low cost pulsed electro magnetic field device. A Dutch study stated that concentrated flax hull lignans may be the cure for bald and thinning hair, see lignans dot net. There is a health drink listed in Let's Eat Right To Keep Fit by Adelle Davis not known to regrow hair but known to hold onto existing hair, the drink contains lecithin, brewers yeast, magnesium oxide, ect. You can find this if you search for Adelle Davis Pep Up drink, I'd substitute the the recommended oils with an unrefined coconut oil. Chaparral tincture, used topically, is a folk hair restorative remedy. Burdock root is also used for falling hair.