The formula gives you a week's worth of mani perfection, without a base coat! Once VINYLUX Weekly Top Coat is applied and the polish is exposed to natural light, the patent-pending technology activates a long lasting bond to the nail. That means no chipping, glossy strong finish without a base coat and a week of fashion forward nail perfection. Two step, fast drying system—no base coat needed. High shine polish infused with vitamin E, keratin and jojoba oil.