I didnt have any sides at 350mg/wk. about a year and a half later I ran 500mg/wk "mabey 550 because I wanted to make sure I got a full 500 before I found out that has already been compensated for", and I got some mild acne. I didnt have any acne for years (since high school). Mabey one or two pimples a year. About 4 weeks into 500mg/wk I started getting many, between 5 to 20 in a week on my face and back. That went away around week 10. Go figure. It went back to completely normal after about 1 month pct.
I've run 500mg/wk again since then, and got no sides. Same brand and dosage. So I'd have to say, it varies from person to person. Even varies a little from cycle to cycle. It does for me anyway. Now I dont seem to get any side unless I run dbol.