Soap & Glory Soap & Glory Supercat Eyeliner Pen Carbon Black Extreme Soap & Glory Soap & Glory Supercat Eyeliner Pen Carbon Black Extreme (£6) is my new go-to liner for the perfect cat eye. The small tip makes application very easy, and it dries to keep the liner put all day. Soap & Glory Soap & GloryTM SupercatTM Eyeliner Pen Carbon Black Extreme $6 from boots.com Buy Now