I usually use the bacteriostat cleanser and moisture complex from BION for everyday care. If I ever feel like my skin is breaking out a bit too much because of stress or other things, I follow the regimen with this mask that my esthetician recommended:
One week before period: use mask 2x per day in morning and evening
Next week: use mask 1x per day
Next week: 1x per day every other day
Next month if improvement (if no improvement same as first week):
Week before period and next week: 1x per day
Third week: 1x per day every other week
Use like this for max 3 months.
Hope this might help someone as well, especially if you have severe breakouts. So far, just one month has been great for me.