modelones gel nail polish primer, acid free natural nail prep dehydrate & bond primer, 15ml nail protein bond, air dry superior bonding primer for acrylic powder nail supplies set modelones for best adhesion: the most important step in any professional artificial nail application is the preparation of the nail plate and to create a foundation. use this duo set to have the set the foundation for great nails! no lifting: when used together these high-quality products will prevent lifting and provide nails with the etch to help adhere to the natural nail bed surface. balance & prevent: our bond is perfect to reduce nail oil & to create a strong foundation! use the uv gel primer for an acid free nail base for gel application. very compatible with all gel nail, acrylic powder and liquid system, as well as any artificial nail art, and works great with all leading professional nail care brands in the market. apply:transparent bottle is the nail prep dehydrater ,to dehydrate natural nails before apply acrylic &uv gels brown bolttle is the nail primer to bond natural nail and uv gel only