I am in the same boat without lesions but with the spontaneous/fleeting marks/texture that look like former acne. Ive had some success with plain yogurt, toothpaste, and topical ivdrmectin/praziquantel pastes against this symptom. Leave whichever paste u apply for 1-2 hours and go for a clean rinse over sink, not a bath soak. Fwiw my skin is still more youthful than the average 41y.o., despite years of this affliction.
I like Epsom Salts even more than borax for bathing, always follow with shower rinse.
Pace yourself with anthelmintics, Im 250 doses in with no end in sight and the liver is a finite resource.
Much more to say but busy today, will pm later.