Utilizing cutting-edge technology exclusive to IT Cosmetics, No Tug Silk Automatic Waterproof Gel Eyeliners glide on saturated rich color without tugging on your delicate eyelids. These liners are clinically shown waterproof even after eight hours of wear! Developed with leading plastic surgeons, these eyeliners are infused with Anti-Aging technology and skin-care benefits including Hydrolyzed Collagen, Silk Proteins, and Vitamins C and E for younger looking lids. Paraben-free, Fragrance-free and Sulfate-free.