OPI Natural Base Coat is a high-quality protective formula designed to prepare your nails for the perfect manicure. This base coat creates a smooth even surface for nail polish application helping to improve the longevity of your manicure. Its unique formula helps protect nails from staining preventing yellowing and discoloration while also promoting a stronger healthier nail surface. Ideal for natural nails it provides a foundation that enhances the wear and finish of any nail color. Protects Nails: Helps prevent staining and discoloration caused by nail polish. Smooths Nail Surface: Creates an even base for a flawless nail color application. Improves Longevity: Enhances the durability and wear of nail polish helping it last longer. Promotes Nail Health: Strengthens and protects natural nails keeping them in good condition. Quick Drying: Dries quickly to get your manicure started without delay.