What it is: A proprietary binding, sticky base coat for a lasting, flawless manicure. What it does: Patented with advanced adhesive technology and treatment benefits that will make your manicure last, the Prime Base Coat starts sticky and ends smooth. The adhesive primer contains essential bonding agents that form a sticky layer that fuses your nail color, providing lasting results. Infused with luxurious Okoume AE extract found deep in the African rain forests, this rare ingredient maintains nail rigidity by protecting the structural protein keratin and naturally strengthening and protecting nails. Wear as a base coat to prevent staining and provide a long-lasting manicure or alone to strengthen and protect your nails. Sephora is the exclusive beauty retailer for this product.