NEW Factory Sealed L OREAL Infallible Never Fail Liquid Eyeliner. Enjoy flawlessly clean lines as precise as 0.4 millimeter with The Super Slim by Infallible Never Fail. The ultra-fine felt tip gives you total control, delivering the perfect amount of liner. The intense quick dry 12-hour formula glides on smoothly with continuous and even flow. In one stroke, create sleek and sophisticated eyes