essie is the go-to nail brand for salon professionals, beauty junkies, industry insiders, celebrities and fashion icons around the world. Enjoy the It's Not You...It's Mercury collection from essie - America's nail salon expert. essie's It's Not You...It's Mercury. A glistening gold and green multi-dimensional sparkle a limited edition collection of 2 metallic nail polishes with a glitter finish. Exclusive easy glide brush for quick, even application.