For the past year I've been struggling with adult acne. I have literally tried everything. A friend recommended incorporating probiotic supplements and l-lysine into my lifestyle and I am finally seeing a dramatic difference after only 2 weeks! I use to have raised pimples on my cheeks which are now gone, I am dealing now with the after math (the scaring) however, I am hoping that goes away with time/the longer I use l-lysine.