I used this for a couple of years, and it is a great primer.
It is thick, and silicony, so you only need a bit. It mattifies and blurs beautifully, and foundation goes on smoothly on top.
Your skin feels like velvet.
Unfortunately, I had to stop using this, as my skin became too dry and dehydrated.
This primer left it taught, and was far too matifying for my skin as I aged.
I now use Rimmel fix and perfect primer, which adds moisture, but doesn't leave my skin oily. If my skin is flaky due to a rosacea break out, I use Maybelline baby skin mixed in with it.