What it is: A felt-tip eyeliner that offers optimum control in an ultra-matte finish and 12-hour waterproof hold. Ingredient Callouts: Free of parabens, formaldehydes, formaldehyde-releasing agents, phthalates, mineral oil, retinyl palmitate, oxybenzone, coal tar, hydroquinone, sulfates SLS & SLES, triclocarban, triclosan, and contains less than one percent synthetic fragrance. It is also vegan, gluten-free, cruelty-free, and comes in recyclable packaging.What Else You Need to Know: The SEPHORA COLLECTION’s 12 HR Intense Ink Classic Felt Liner lets you draw lines with extreme precision. Its flexible tip glides lightly and gently over the eyelid, without catching, to effortlessly emphasize the eyes. It adapts to the pressure of your hand so you can draw fine or bolder lines in a single stroke. The makeup impact is fully buildable for a tailor-made result. The tip is continuously moistened to ensure intense, even results every time.Clinical Results: In a clinical study on 20 people, 12 hours after application: - Waterproof felt-tip eyeliner lasted for 12 hours