Achieve optimal hold with the guerlain la petite robe noire nail polish base coat a protective first step that will improve the longevity of your nail colour enriched with epoxy a hold boosting resin the long lasting base coat will keep your nails chip free for longer acting like a double sided adhesive tape to maintain the finish of your manicure its flat brush will ensure precise optimal application that covers and prepares the entire nail for a professional finish that lasts infused