A first-of-its-kind treatment nail polish enriched with plant-based proteins to deliver opaque color and strengthening treatment in one shock-absorbing, gel-based formula. Full Strength's breakthrough gel-based nail polish formula fuses rich, opaque color with a high-performance botanical treatment. It features an innovative base formula with Natural Flex Polymer™, a flexible mesh of plant-based proteins saturated with rich pigment to create a shock-absorbing finish. When dry, this nail polish acts as a protective cushion, "flexing" with the nail for maximum protection against chipping and breaking. Full Strength is fully loaded with the same botanical boosters as bestselling Formula X Sheer Strength for ultra-nourishing treatment. Fortify nails in a versatile array of statement brights, elegant bolds, and understated neutrals while protecting them and making them appear thicker. Full Strength features Formula X's new Xpert Strokes™ Brush, approved by salon professionals for faster, smoother application in just one to two strokes. The wide, rounded tip has flexible, 440-count bristles that hug natural curve of the cuticle for a custom glide and streak-free finish with the first stroke plus it has a reduced stem for controlled application. It is formulated Without: - Parabens - Sulfates - Phthalates Full Strength is infused with the same botanical boosters and natural hydrators as bestselling Formula X SHEER STRENGTH to nourish, protect, and prevent breakage. For ultimate strengthening, use with Formula X Prime Strength and Shine Strength. To extend wear and shine up to eight days, always use with Formula X The System. This product is cruelty-free and a three-free formulation.