You are definitely thinning on crown and temples but very slowly... the best thing you can do is switch to dutasteride(at least topical) and maybe oral minoxidil
ive had the problem with the cartridges a lot of times, i think it mostly happens to me when i submerge the needles in alcohol before microneedling. Maybe the alcohol moving in there while its vibrating f*** ups the glue so the needlehead falls out.