Life-proof pen. Get all that you need and more from our best-selling liquid eyeliner, made extra life-proof but with a gentler formula. Keep it on the eye or draw all over the face: Use it to line your lash line, define your brows, create faux freckles, design beauty tattoos, and even fill in your hairline. Made with good intentions, it’s carefully formulated to be free from harmful junk and is perfect for all skin types. Choose from pitch black and dark brown shades.