The Bojin Journal · Cheeks & Smile Lines

Mouth Corners Turning Down? What's Really Happening

By Yu-Ting Lan, from Taiwan · 5 min read

Has anyone asked if you were upset when you weren't? My students name that moment more often than any line or crease: a coworker, a husband, a stranger reading a perfectly calm face as a sad one. The lines running from the corners of your mouth toward your chin, the ones catalogs call marionette lines, create that misreading. Two separate pulls draw those corners down. You can reach one of them.

Two pulls, one direction

Advice about this area tends to fail because it treats two problems as one. Split them apart and each becomes clear.

Try this in a mirror. Smile, then let your face drop to full rest, no expression, jaw soft. Watch the corners. A visible drop the instant you release, deeper than gravity alone explains, is the muscle habit announcing itself. That drop is your working target.

Where the habit comes from

Concentration. When you read, scroll, or focus, the corners of the mouth draw down and in without a single conscious frown. Repeat that for hours a day across years and the muscle learns the position as home. It holds the corners there through dinner, through conversation, through the photo where everyone asked why you looked so serious.

A 5-minute release for the mouth corners

Use oil or your usual moisturizer. The skin here is thin, moves easily, and needs glide far more than pressure.

1. Memorize your resting position Let your face go slack in the mirror and note where the corners sit. This is your before, and your only honest measure of after.
2. Work the corner at an upward angle With a fingertip or the rounded tip of a stone, make short passes right at the corner, angled up toward the ear. You are showing the muscle the direction it forgot.
3. Trace the line itself Follow the crease from corner toward chin with light upward strokes, a few passes per side. Light. The line needs coaxing, not erasing pressure.
4. Lift the lower cheek above it The tissue above the corner helps hold it up. A few upward passes along the lower cheek support what you just released.
5. Check your resting position again Go slack the same way as step one. Corners sitting even slightly higher at rest means you reached the habit, and that comparison, not the mirror at noon, is your progress report.

The honest ceiling

This release eases the habit pull, and consistent practice keeps it eased, gently and temporarily, never permanently. It rebuilds nothing. The structural pull stays where the years put it, and no hands-on method moves it. If the corners trouble you enough to consider a procedure, try this honest five minutes first or alongside, and let a professional consultation stand on its own merits. The two answers don't compete.

The next time someone asks if you're upset, you'll know which part of that impression is a habit your hands can unlearn, and which part was never yours to fix in five minutes. That knowledge alone changes how you look at the mirror.

If the whole mid-face feels lower, not just the corners, read the full cheek-and-smile-line release next.

Yu-Ting Lan is a Taiwan-based international bojin instructor and the founder of Héhé Studio. She has taught her bojin method to more than a thousand students, from complete beginners to grandmothers, across Taiwan, Hong Kong, and Malaysia.