Honestly I didn't notice a difference to the wear of my foundation using this primer. I have mostly combo skin and I don't often suffer from a super oily face. I just don't think the product did anything. My foundation still seemed to sit the same.
The packaging is boring and doesn't say "I cost $70"
The only nice thing about this primer is the texture, it leaves the skin feeling soft and a little goes a long way.
Save your money, I have had better results from $20 primers.
$70 odd is a big investment for a small non description tube of see through product!.... I tried a week with primer, and a week without- using the primer it seems to smooth my skin, and my foundation sets so very much better with a less dewy and oily finish.
Tips: Just a pea side amount is all I use- a little goes a long way!!!