Essie's Here To Stay Base Coat is their innovative color-adhesive technology applies smoothly to help bold color to your nail. This is a longwear champion base coat that provides a barrier to help prevent nail staining. Use with any essie enamel nail polish.Benefits:Extends essie manicure by 2 daysHelps bond color to your nailApplies smoothly to nail and provides a barrier to help prevent nail stainingEssie's champion of longwear