CND Shellac / 0.25 oz. - 7.3 mL WHAT IT IS: A UV-cured base coat featuring UV3 technology designed specifically for use with the Shellac UV Color Coat System: - On like polish - Wears like gel - Off in minutes WHAT IT DOES: • Provides a superior adhesion layer to nails. • Provides the first step of the Shellac system, anchoring Shellac Color Coat to the nail. WHY YOU NEED IT: • Provides a revolutionary new color service for nails. • Provides 14-day wear.