There is a diminishing return on this proceedure. Hopefully, you took a before pic, and a few during pics, and you can judge what progress if any you have obtained.
I am not sure that there is much to be had from going for more before switching. If you notice hairs curling, becoming coarser or turning clear or white, you certainly need to be finding an electrologist now.
_________________________
Setting a goal is not the main thing. It is deciding how you will go about achieving it and staying with that plan. --- Tom Landry