Directions: 1. Clean the nail surface. 2. Apply base coat. 3. Apply two thin coats of color. 4. Finish with top coat. 5. Wait for it to dry. Product description Product The original gel Colour, CND Shellac gives you 14+ days of high-performance wear with stunning crystal shine!. Directions 1. Clean the nail surface. 2. Apply base coat. 3. Apply two thin coats of color. 4. Finish with top coat. 5. Wait for it to dry.