Fill the Gap! This essie anti-age treatment polish hydrates aging nails and smoothes unsightly deep ridges while preventing brittleness and breakage. Product Features: Replenishes and levels the nail plate with a special blend of strengtheners, conditioners, micro-fibers and natural fillers. Application can be used with or without nail color for easy coverage. How to Use. Apply as a base coat prior to applying essie nail polish. Product Details. 0.5-oz. base coat. Due to its contents, this product cannot be shipped via our Priority Service or sent to Alaska, Hawaii, and/or APO/FPO military addresses.