I wanted to absolutely love this primer. It does the trick for a couple of hours. The skin of my lips feels kind of "stretchy" and a tad dry when I wear this. It is still better than other lip primers I've tried in the past.
The MAC PREP & Prime Lip goes on smoothly and definitely helps lip stick glide on easily. However, it did not seem to help the lip color to remain on. The lipstick came off quickly when eating.