It would seem that if the pores are opening it must be for purposes of releasing some toxins - maybe you should try some saunas or steam baths or steam your face as well to assist the process. Then maybe find something - some herbs of some kind that will help to close the pores back up. Actually it would seem to me that it is a sign that the OP is working and I would want to experiment a bit more and see what happens before stopping the process in the middle.
But mind you - I am no expert and these are just my thoughts...