Re: Slightly OT: hair test results!

Yes; taking breaks, adjusting dosages is a wise way to proceed. Take your time; the most important is energy, life force, emotional state.
Arsenicum alb is a BIG remedy; and if the mental picture fits, go for it. Arsenicum can be used for a merc poisoning and vice versa. All depends on the symptoms.
Reducing Borax when you have obtained control of candida / itching skin; yes.
Both Iodine and borax have a short half time in the body; so they are the easiest to pulse with.
Reduce, simplify, pulse the dosage; have fun!