The ultimate cnd shellac power partner perfects and smoothes the surface of the natural nail applied before cnd shellac it extends the wear of the cnd shellac service to three flawless weeks featuresbenefits like a foundation primer that prepares the face for flawless makeup application brisa lite removable smoothing gel provides a glass like surface for cnd shellac perfecting the nails appearance and extending wear it is easy on with no filing of the natural nail easy off with