Thank youThat's impressive. I've replaced mine twice in a year as they eventually splay while working
It is a Young Nails sable artist sculptor brush. You can tell if there is product in the bristles because it won't make a proper bead (that's about finger #4 for me). So at that point, I make sure to really wipe it out on a table towel. Then I move on to finish the last 6 nails and once done I make sure to wipe it out really well & dip in monomer a couple times and wipe it out again. I use a metal brush cap on it & always stand it up in a brush holder with the capped bristle end down so any bit of liquid left in it, drips in the cap instead of down towards the handle so it won't sit and destroy the metal part and base of the bristles. I know, kind of OCD, but it has worked well so far...same brush since 2012!