Butter London Patent Shine 10X formula is loaded with ingredients proven to promote brighter, stronger, healthier-looking nails. The patented Shock Resistance Polymer Technology delivers a gel-like finish and undeniable shine with up to 10 days of wear. Radiant Curing hardens and dries polish with the ease of natural light. From wedding nails to birthday brunch, use the unique dense, curved brush applicator which hugs nails for flawless, full-colour coverage that coat nails brilliantly after the first coat.