Winstrol (Stanozolol) is one of those compounds people usually use when the goal is a harder, drier, more “grainy” look, especially when leaning out or getting closer to a show/photoshoot/summer cut.
30mg tabs are considered a moderate oral dose for a lot of experienced users. What people typically notice with it is:
It’s popular because it doesn’t aromatize into estrogen, so you usually don’t get the bloated/watery appearance some other compounds can cause. That’s why guys often stack it toward the end of a cut.