Your skin does indeed have the exact skin tone I was concerned about for both hyperpigmentation and laser stimulated hair growth. I believe you when you said you didnt laser the neck, so there may be some idiopathic cause, but my money is still on the laser. as to cause of growth.
The scabbing that is there , is small and incidental. It will not cause scarring. It’s not perfectly ideal to cause that however. I can suggest some use of tea tree oil, perhaps slightly diluted with witch hazel, as an astingent and also because Tea tree oil can disolve scabbing and other necrotic tissues.So that will be a good first step.
Second, the scabbing in the upper areas of the hair follicle ( at the skin’s surface) is due to energy being dispersed near the top of the follicle. The solution is simple, dont release electrolysis energy with the surface of the skin exposed! You do this, via the electrologist using an insulated probe as I suggested, this limits the energy to the lower 1/3 of the follicle ( where the stem cells we are trying to destroy are located ) and prevents the energy from being dispersed in the upper follicle such that scabbing like this will not occur. Post Inflammatory Hyperpigmentation is similarly reduced, by limiting the inflamation ( and resulting PIH to the lower non visible part of the follicle.
I treat faces of indian, pakistani, Asian women every day with remarkably similar skin tones to your own, and this is how I prevent the same skin reaction in those clients.
Also, dont sweat the small stuff. Little nicks and scratches will happen through the course of your healing and treatment. In almost all cases, there is no lasting scarring or ill effects. Your treatment is completely normal and the skin reaction is well within reason.