Well if it is Demodex mites, than they tend to dig deeper when irritated by something on the surface. Hence the bleeding They burrow into hair follicles, so you have to hit them from the internal, and use something on the skin at the same time. MSM cream is one thing to use.
A Zapper helps immensely, and an oral herbal program like Humaworm at the same time. Check your inbox I responded to your PM.....