Natural Solutions for Hair Loss: Effective Remedies for Regrowth

My father has had multiple ailments all his life. Nothing life threatening, but wearing nonetheless. I suggested he take iodine supplements.
After 1 month, he hasn't noticed his improvement, which my mother did, but called to tell me new hair is growing and the roots feel stronger. His shedding has decreased and the new hairs are really black. I also have noticed my own hair growing. I am shedding a lot but I have tons of new hair growing like crazy. Lol.

30 years ago my son lost his hair through nerves he was only 8 year old at the time, a old lady told me to rub in white iodine every night which i did, within 6 week his hair was so thick, i also had very weak nails the iodine strenghened them, now i am in my 60s my hair is thining out and i need to get some white iodine, please tell me where i can buy white iodine. i cannot buy it in the uk. any one know where i can buy it?