CND's Denim Patch is a rich, saturated blue with a creme finish that captures the worn-in quality of your favorite jeans. This duo delivers both professional two-week wear and quick-dry convenience in one perfectly matched shade.The Shellac formula offers chip-resistant color and high-gloss shine that lasts up to 14 days, while the Vinylux lacquer provides one-week wear without the need for a UV lamp. Both formulas are vegan and feature CND's signature color precision.How to Apply For Shellac: Apply base coat, cure, apply two coats of color, cure, finish with top coat and cure. For Vinylux: Apply one coat of Vinylux Weekly Polish followed by one coat of Vinylux Weekly Top Coat. Allow polish to dry completely between coats. Product Details Formula: Vegan, Longwear