$26.00, Amazon Why we love it: If your sensitive eyes can’t handle even the slightest tugging, consider the Ilia Clean Line Gel Liner your new go-to formula. Its ultra-soft tip glides on ...

Leighton Meester uses this affordable eyeliner from this celeb-loved brand to complete her everyday makeup look — get the details!

For instance, if you prefer to sketch a simple, skinny line along your lashes, the mechanical gel pencil has the utmost precision to achieve that. Who’s It For: For a clean formula, this liner ...

and specialty pigs are used to plug the line or isolate certain areas of the line. Lastly, gel pigs are a liquid chemical pigging system. Similar to cleaning your plumbing line, utility pigs are ...