I tried probiotics and they vastly improved myt rosacea, but they started to give me a terrible itching all over my body. A lot of investigation led me to the conclusion that because i have leaky gut (as 99% of the XXI century people), certain Lactobacillus cause an allergic reaction because they leak trough the intestinal lining. Try probiotics, if you dont have this allergic reactions, use them as much as you like, they are one of the most healing practices you can find