From website: Glow now and later with instant luminosity and visible skin improvements over time. The potent, skin-loving gel-serum has the complexion-improving results of a serum with the makeup-extending power of a primer—so basically, this one does it all. Made with Microdroplet Technology, a.k.a., ~4,000 encapsulated jojoba ester bubbles suspended in the formula designed to burst upon application, our innovative primer hydrates skin for an instantly plumper-looking and smooth appearance. Use it alone or wear under makeup, and you’ll be primed for anything.