This is a water based primer that has been designed to be used under water based fomulations like the Camouflage airbrush makeup. Benefits -It prolongs the wear of makeup -Smooths skin texture -It fills in pores to make them appear smaller -hydrates the skin -Provides a natural matte finish Makeup Artists tip: This is best when applied on clean skin without any moisturizers or serums because some moisturizers contain oils or silicone that do not mix well with water, causing it to breakdown quickly or flake off.