This product has been discontinued by the brand so it’s hard to find now. I have used this a couple times but barely, I think it is still at least 75% full based on usage (probably more but I don’t want to overstate it). Algenist Reveal Color Correcting Radiant Primer Base Full Size (1 fl oz/30 ml) An advanced tinted primer that incorporates Alga Correcting Complex, Alguronic Acid and Microalgae Oil to instantly color correct, improve skin tone and prepare skin for seamless makeup application. Non-Comedogenic & Hypoallergenic. Use alone for radiant, smooth-looking skin, or use to perfect and prime the skin for flawless makeup application.