A good old overdose; then it make sense to me. Lol,the tingling are just the increased testosterone seeping out of your ears and scalp, and probably you noticed other effects too:)

Iodine and borax are quite forgiving even if taking too much, as most is out of the system in a couple of days.
Should be relatively easy to restore. Scalp massage, yes.

What I learnt somewhere about hairloss, is that the hair follicles are "strangled" of a too tight scalp, this can be due to stress, also vit B has a say in this; as it increases the blood flow / circulation; niacin in particular.

Smoking on the other hand, constrict the circulation to the outer parts, like legs, skin, scalp etc.

That said; my father that went bald in his twenties, never took boron or iodine, never smoked, was very active. So, back to the turning of stones. And one can always look at this guy whenever one believe that boron or Iodine (in right amounts!) causes hairloss;
http://www.youtube.com/user/mercola.