Why We Love It: When it comes to liquid eyeliners, this pen by Patrick Starr is the MVP. With a marker tip, this liner offers the kind of precision that lets you draw a cat eye sharp enough to cut ...

Let's start with the most notable eyeliner she's worn: Pat McGrath's Perma Precision Liquid Eyeliner ($36) in Xtreme Black.

Shelby Pagan's review of the KVD Beauty Tattoo Liner went viral seven years ago after it survived a car crash - and now it's half price at Boots for 24 hours only ...

Eyeliner is a makeup product used to define the eyes by adding color along the lash lines. Available in various forms such as ...