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In humans, local axonal disturbance leading to myokymia may be caused by demyelination (multiple sclerosis, Guillain-Barr syndrome, chronic inflammatory demyelinating polyneuropathy, radiation plexopathy), edema (pontine tumors), toxins (rattlesnake envenomation and clozapine administration), and ischemia, but not usually by nerve compression without the above changes

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Concentration selection for topical copper peptide dosing spans a wide range in the research literature from 0.05% for sensitive-area research to 1-2% for more robust skin regeneration research

(PubMed) Fernandez-Roig S, Lai SC, Murphy MM, Fernandez-Ballart J, Quadros EV