Semi-permanent UV nail polish CND Shellac Crimson Sash - burgundy with fine glitter Semi-permanent color layer for natural nails, specially designed to be used together with the entire CND Shellac system. Benefits: Provides 14+ days of high-performance wear without damaging the nails and a brilliant shade. The second step of applying the CND Shellac system. It is applied and removed without filing the nail beforehand. It offers a revolutionary new service for nails. Each color has a unique formula. Scientifically certified and approved as a "Breathable" formula, it allows oxygen and water to penetrate through the nail, for healthy and hydrated nails. Vegan formula. Delicate formula without Harmful ingredients. CND Shellac formula does NOT contain Formaldehyde, Toluene, Formaldehyde Resin, Camphor, Tphp, Parabens, Phthalates or ingredients of animal origin. Ideal for people with allergies. It has a curved upper brush suitable for a smooth and uniform application. PRO tip: Mix very well before use, rigorously for 20 seconds. 1. We apply 1 thin layer of CND Shellac Base Coat, polymerize for 10 seconds with the CND LED lamp (button 1). 2.