INFO: MAC Prep N Prime is not an eyeshadow base, it should be used as an eye concealer to conceal discoloration to reveal the true color of your eyeshadows. I use UDPP ontop of it! Love this product. Tags: 0 comments 1 likes 0 shares Share this: roseannetangrs About author not provided Singapore's Top Beauty Blogger & Professional make-up artist. Contact me at [email protected] 6340 followers 6340 likes "http://www.youtube.com/roseannetangrs" View all posts