A 4mm paranasal implant, but no visible effect — why the height doesn't show through as-is
2025. 4. 14.
Answering a question about barely feeling the effect after swelling subsided following a 4mm paranasal implant. Unlike the nose, the paranasal area has thicker skin and stronger perioral muscles — why implant height may not show through as-is, and the order of checking.

Key points
- Unlike the nose, the paranasal area has thicker skin and stronger perioral muscles, so implant height may not show through on the surface as-is.
- The original consultation considered the swelling mostly settled at 2 months post-op, but actual recovery progress requires checking surgical extent and individual condition together.
- An excessive implant can lead to an unnatural impression or a wider-looking nose, so finding an appropriate height within a range that causes no problems is key.
"I had a 4mm paranasal implant placed, but once the swelling went down it looked like there was no effect."
One patient asked this about two months after paranasal augmentation. They heard the implant height was set at 4mm by their surgeon, but once the swelling subsided, the before-and-after difference felt minimal. Silicone placed in the nose shows its height relatively directly on the surface — so why doesn't a paranasal implant? This article organizes the reason.
01
What was the question?
Summarizing the question:
- Exactly 2 months since paranasal augmentation with a silicone implant
- The implant was 4mm — not self-chosen, judged and used by the surgeon
- At first the swelling itself was stressful, but once it fully subsided the effect looked absent instead
- Wondering whether the pyramid-shaped implant changes the felt height, and whether 4mm shows far less volume change on the surface
The surgical fee was also higher than elsewhere and the surgery was chosen trusting an experienced surgeon — so the result falling short of expectations was deeply disappointing.
02
Why doesn't the 4mm implant height show through as-is?
Compared with the nose, the paranasal area has thicker skin and stronger action of the perioral muscles, so implant thickness may not show directly as surface height change. The original consultation considered the swelling mostly settled at 2 months post-op, but actual recovery and felt change differ by individual conditions such as skin thickness and surrounding muscles.
| Area | Tissue characteristics | Height reflection |
|---|---|---|
| Nose | Skin thinner than other areas, surrounding muscles not strong | Implant height placed inside is largely reflected |
| Paranasal area | Thick skin, strong perioral muscles | The degree reflected can be small |
In other words, the same implant thickness can show a clear height change in the nose, while in the paranasal area the skin and muscles absorb much of that change — so the visible volume can feel small.
03
What should you do when the result disappoints?
If you're upset and disappointed by the result, the order is to first discuss your current state thoroughly with your surgeon at the clinic where you were operated. That clinic knows best the grounds for the surgical decision and your current state.
One more thing to remember: simply enlarging the implant does not produce a better result. An excessive implant can create an unnatural impression (a so-called monkey-face look) and lead to a wider-looking nose. So finding an appropriate maximum height within a range that avoids these problems is the core of paranasal augmentation design.
For reference, paranasal augmentation is also a surgery considered together when mid-face or lower-face dimension is lacking, as with a recessed chin. There are cases where someone whose mouth looked protruding due to a narrow nasolabial angle (the angle between the nose and upper lip) saw their side-profile balance change after improving that angle. Actual changes can be checked in before & after photos.
04
Summary — judge by the area's tissue characteristics too
The effect of a paranasal implant isn't determined by the thickness number alone — because the area's tissue characteristics, skin thickness and muscle, govern how much of the height is reflected. If the result disappoints, consult the operating clinic first; if you're at the stage of considering revision or additional correction, judging against a range that fits overall facial balance matters more than excessive height.
If you're curious about mid-face dimension or its relationship with the nasolabial angle, you can have your current state checked in a 1:1 video consultation.




Frequently asked questions
Answers to common questions patients ask before a consultation.
How long does swelling last after paranasal augmentation?
Does a 4mm implant show only 2mm on the surface?
If the effect is lacking, can I just switch to a bigger implant?
Responses to treatment and recovery progress vary by individual. Outcomes and side effects vary from person to person. Bleeding, infection, swelling and asymmetry may occur. Please consult our medical team before making a decision.