Good primer

This is a good primer that definitely controls my shine somewhat. It definitely works much better than if I put on foundation without it. I havn't used many primers so I wouldn't know any primers that would work better with shine but for me, someone with extremely oily skin, it really does the job.

Fills pores, but absolutely does not stop shine

This primer does nothing to control shine. I only use it on my nose, which is the only area where I get shiny/oily and I am just that in less than an hour of makeup application. However, this primer does fill in my pores and it doesn't break up my foundation, so minor wins there.