I have always wanted to try this primer, but could never bring myself to pay the high price without ever having tried it on my sensitive skin. I was so excited to receive this, and it did not disappoint! I thought it would feel heavy on my skin, but it really is very lightweight and super easy to apply, and it does what it is supposed to do. I first tried it after my morning skincare routine without makeup to test how well it "smooths" and "blurs" on it's own. My reaction is simple, wow, it really does help to hide any imperfections and feels nice on my skin, not at all greasy or sticky just smooth and soft. I also tried it under a full face of makeup(after applying my normal serum/moisturizer/daily skincare products.)It made my makeup so much easier to apply and it even helped keep my skin moisturized, no patchy dry spots from powder, or caked on feel/look. I am extremely picky with makeup due to having such sensitive, oily/combination skin, but I'm extremely pleased with this primer, mainly for the fact that I can wear it alone or under makeup, with no irritation. I highly recommend this primer!