What it is: A dual-benefit, stay-all-day lash adhesive and eyeliner. Ingredient Callouts: Free of parabens and sulfates SLES & SLS. This product is also cruelty-free. What Else You Need to Know: Line and lash like a pro with Power Liner, a two-in-one eyeliner and lash adhesive. The breakthrough jet-black eyeliner doubles as an extra-tacky adhesive for quick-and-easy lash application—no touch-ups needed. The power is in your hands with this stay-all-day waterproof eyeliner that won’t smudge, flake, or budge and easily removes with no clumpy glue residue.