Marionette lines and downturned mouth corners can reflect muscle pull, loss of volume beside the chin, descending jowl tissue, and a crease etched into the skin. More than one cause often contributes. Filler, Botox, a corner lip lift, and a facelift change different parts of that anatomy, so the deepest-looking line is not necessarily the place that needs the most filler.
Is a muscle pulling my mouth corners down?
The depressor anguli oris muscle helps draw the mouth corner downward. An examiner compares rest, speech, smiling, and deliberate downward movement. A corner that drops with expression may have a treatable muscular component, while a fixed fold may persist even when the muscle is relaxed.
Carefully selected botulinum toxin treatment can reduce that downward pull. Treatment around the mouth is off-label and must protect the nearby muscles that control the lower lip and smile. Uneven movement, altered speech, or difficulty controlling liquids can occur if function is affected. More weakening is not automatically better.
Is it lost volume or tissue descending over the jaw?
A hollow beside the chin can create a shadow that looks like a deep line. A jowl can create a similar shadow by overhanging the jawline. Filling a true hollow may soften the transition; filling an already heavy fold can add bulk.
The distinction is easiest to see in motion and from several angles. Our guide to jowls and chin support helps separate these layers. Marionette lines run below the mouth corners; nasolabial smile lines extend from the nose toward the mouth and require their own analysis.
| Main finding | Likely contributor | Treatment to discuss |
|---|---|---|
| Corners pull down mainly with expression | Muscle activity | Conservative toxin treatment in selected patients |
| A hollow beside the chin without much heaviness | Volume or structural support loss | Carefully planned filler or other volume treatment |
| Jowl tissue overhangs the jaw | Tissue descent | Facelift assessment |
| Persistently downturned corner with suitable local anatomy | Corner position | A selected corner lip lift, accepting a local scar |
| Fine crease remains despite support | Skin change | Skin treatment, with realistic limits |
When does filler make the area heavier?
Filler adds material. It cannot suspend a substantial jowl or remove a skin fold. Repeatedly filling a persistent crease may obscure facial shape while the underlying descent remains. Previous filler can also make the examination harder to interpret.
Bring product names, treatment dates, and photographs from before injections. The article on overfilling and filler migration explains why adding more is sometimes the wrong next step. Any filler discussion should include vascular risk as well as the desired contour change.
Would a corner lip lift or a facelift fit better?
Dr. Ruben Castro offers corner lip lifts for selected patients. This operation changes the position of the mouth corner through a local skin adjustment, with a scar near the corner and possible asymmetry or scar visibility. It is different from a central upper lip lift, which primarily shortens the distance below the nose. Neither is a substitute for treating widespread jowling.
A facelift can improve the descended tissue contributing to the lower-face shadow. It does not reliably erase every marionette crease or directly reset every downturned corner. A good assessment preserves normal expression rather than pursuing a perfectly flat area around the mouth.
Identify what makes the mouth look downturned
At a consultation, describe whether the concern is the corner itself, the crease below it, or heaviness along the jaw. Dr. Castro can examine those features together and explain whether a local treatment, broader lifting, or no procedure fits best. The decision should account for movement, existing volume, scar tolerance, and how much change you actually want.

