
Modiolus Injection
Correcting drooping mouth corners.
Precision injection at the modiolus (corner of the mouth muscle) to naturally lift drooping corners for a rested, pleasant expression.
The NB Injection Process
Diagnosis
Diagnosis
Detailed assessment of skin condition and tissue, area by area
Planning
Planning
A tailored plan of agent, dose and injection points
Procedure
Procedure
Precise injection
Care
Care
Aftercare guidance
Modiolus Injection Design Principles
Corner Muscle Structural Analysis
We first determine whether the drooping is caused by muscle tension or fat accumulation. The appropriate injection type (Botox or fat-dissolving) is selected accordingly.
Left-Right Symmetry
Mouth corners are often asymmetric. Injection amounts are adjusted per side to achieve natural symmetry.
Natural Expression Preservation
Overcorrection creates an unnatural appearance. We correct within the range that preserves natural facial movement.
Procedure time
About 20–40 minutes
Anaesthesia
Topical
Back to daily life
Same day
Duration
6–12 months
Not sure yet? Start with a consultation.
See real procedure results.
Modiolus Injection FAQ
Botox-type effects last 4-6 months. Fat-dissolving agents last 6-12+ months depending on area and product.
No, when the correct dosage is used. Precise injection placement and volume design are key to natural results.
Yes, it combines well with lip filler or corner filler for more dimensional results.

After the procedure, with you when needed
Petit procedures do not include a separate aftercare program; if swelling care is needed after the procedure, it is offered at 50% of the cost.
Legal Notice
※ If care cannot be provided due to reasons such as equipment malfunction, the affected care item may not be offered; as a service item, it is non-refundable.
※ Depending on your constitution and response, reactions such as swelling, bruising, and inflammation may occur after the procedure.
Wondering which procedure suits you?
Our lead surgeon analyzes with ultrasound and designs a personalized plan.
Sinsa Stn, Gangnam, Seoul · Private parking tower
Mon–Fri 10:00–19:00 · Sat 10:00–16:00