Although “intense itching” is not a common reaction for BON users, it’s also not unheard of. The itching that you experienced after your BON session is likely the result of increased blood flow to the area, which causes additional stimulation of nerve receptors. Circulatory-related itching decreases over time as the muscles become more accustomed to the BON stimulation and no longer react by triggering extreme increases in blood flow and the resulting pressure on nerve receptors. With that said, here is a more thorough breakdown of the potential causes of itching.