Mouth Corner Filler in Gangnam: Who It Suits and How Long It Lasts

If people often ask "Are you upset?" even when you're perfectly relaxed, the shape of your mouth corners may be worth a closer look. Downturned corners can easily make you look sad or annoyed, while slightly upturned corners create a bright, positive impression that people warm to.

If the natural shape of your mouth corners bothers you, mouth corner filler may be an option. Ruby Plastic Surgery in Gangnam answers the key questions in order: what the procedure is, what changes when you combine it with lip filler, and how long it lasts and what to watch for afterward.

What is mouth corner filler?

Mouth corner filler is suited to people whose lip corners droop downward or don't lift enough when they smile. A small amount of biocompatible hyaluronic acid filler is placed in the muscles and skin around the mouth corners to lift them naturally and add volume. Beyond filling, the filler also helps balance the muscles around the corners of the mouth, improving the smile muscles.

The procedure is quick, taking about 10 minutes, and you can return to your daily routine right afterward.

As the table shows, good candidates for mouth corner filler fall into four groups: downturned corners that look sad, corners that lift unevenly when smiling, thin lips that leave the mouth looking undefined, and a desire for a more appealing smile. Where the filler goes and how much is used depend on which group you fall into.

What changes when you combine it with lip filler?

Many patients have mouth corner filler and lip filler together. While mouth corner filler lifts the corners, lip filler refines the volume and shape of the lips as a whole for fuller, more attractive lips. For example, adding volume to thin lips while gently lifting the corners creates a much livelier, more natural smile.

Doing both procedures together naturally restores lip volume and lifts the corners as well, making it easier to achieve a refined mouth shape. The amount of filler and the treatment areas are decided through a thorough consultation with the medical team, taking into account your lip shape and the look you want.

How long does it last, and what about aftercare?

How long mouth corner filler lasts depends on the type of filler, the amount injected, and your metabolism, but it typically lasts about 6 months to 1.5 years. Because filler is gradually and naturally absorbed by the body, touch-up treatments are needed to maintain the results.

You may have some swelling or bruising after the procedure, but it usually fades within a few days. Please follow these guidelines:

• Avoid repeatedly touching or pressing the treated area.
• Avoid alcohol and smoking for about a week.
• Avoid high-heat environments such as saunas and Korean bathhouses (jjimjilbang) for about 2 weeks.

Side effects are mostly limited to temporary swelling or bruising.

In summary

Mouth corner filler lifts drooping corners to give you more confidence in your expression and smile. If your lips are thin, consider adding lip filler, and make your decision knowing that results last 6 months to 1.5 years and what aftercare involves.

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Last reviewed: 2026-10-07

This article provides general medical information. Individual diagnosis and treatment plans are determined through an in-person consultation.