Probiotics and acne treatment?

I"ve had problems with acne—I can't afford a dermatologist—OTC meds don't work–i've tried sulfa, salycitic acid, and benzoil peroxide, face masks as well as this homeopathic pill/cream for acne…nothing helped

i recently started using acidopholus for otehr reasons–and teh acne started cleaing–i am getting less and it is clearing better…

are probviotics known to be helpful for acne/