A fine line indeed.

Scroll on to see four of TikTok’s most popular lip liner techniques put to the test.

Tucking the lips in, she simply uses the reduced volume to nail the lineeasy enough, right?

Madelaine Petsch

@madelame

According to professional makeup artistCourtney Hart, who often works with Madelaine Petsch andEmma Chamberlain, maybe not.

If lip liner is still relatively new for you, this could be one to skip.

Reassuringly, Hart says thats just par for the course with beauty hacks.

Lip Liner

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Three seconds later, it all makes sense.

Hart cosigns this look as a fun one and the hack as fully functional, too.

I figured the witchy look was an appropriate one to test drive.

Lip Liner

Amanda Ross/Unsplash

What surprised me most, however, was how easy it was to recreate.

Instant Hex Girls vibes.

and that one size rarely fits all.

Lip Liner

Amanda Ross/Unsplash

Your tools are equally crucial to recreating a lip liner-centric look, as is prep work.

Finish up the process with a light, glide-on balm and assemble your pencils.

“I recently paired it with the super-viral lipstick Clinique Black Honey and it looked great.

Lip Liner

Amanda Ross/Unsplash

If you need a good red, my favorite is Cherry by MAC.”

She says this is what will keep lips looking full but natural.

And in any case, we’d never tell.

Lip Liner

Amanda Ross/Unsplash