Can Fraxel Repair fix the lumps under my mouth or would C02 be a better option? (Photos)

Question

What is causing the lumps under my mouth? Is it collagen loss? What can I do to fix this problem without fillers? How many treatments would I need? Or would I be better off with CO2 resurfacing? I also would like to fix the other lines around my mouth.

Anna Chacon, MD, FAAD · Answer

What you’re noticing under the mouth is actually a very common concern, and it usually isn’t caused by a single issue like “just collagen loss.” In this area, changes in contour tend to come from a combination of factors working together.

The most common contributors include:

Natural collagen and elastin remodeling with time
Subtle soft tissue descent under the corners of the mouth
Muscle movement patterns from the orbicularis oris and surrounding muscles
Early skin laxity or textural thickening from repetitive expression
Sometimes, very mild fat pad redistribution, even in younger patients

So rather than a single “lump,” it’s often a structural and textural shift in how the skin drapes over the lower face.

Fraxel Repair vs CO2: how they actually differ

Both Fraxel Repair and CO2 laser belong to the resurfacing family, but they are not identical in depth or intensity.

CO2 laser resurfacing (fractional CO2)
More aggressive collagen remodeling
Better for deeper texture changes, etched-in lines, and structural tightening
Can improve perioral lines and subtle laxity more noticeably in fewer sessions
Higher downtime, but stronger remodeling effect
Fraxel Repair
More controlled fractional resurfacing
Typically more conservative in tightening effect
Better for moderate texture refinement and early aging changes
Often requires multiple sessions for noticeable structural improvement
Which is better for your concern?

For “lumps under the mouth” combined with perioral lines, the deciding factor is whether the issue is primarily:

textural/skin quality, or
true contour irregularity and laxity

In many cases like this, fractional CO2 tends to be the more effective option, because it creates stronger collagen contraction and dermal remodeling in the perioral region.

Fraxel Repair can help, but it is usually more subtle for this specific area.

About collagen loss and “fixing without fillers”

Yes, collagen decline plays a role, but what you’re seeing is not something fillers are required for—and in many patients, we can improve this without adding volume.

Non-filler improvement focuses on:

tightening the dermis
remodeling collagen structure
smoothing repetitive motion lines
improving skin thickness and elasticity

This is where resurfacing (especially CO2) becomes meaningful.

How many treatments are typically needed?

This depends on the device and intensity:

Fractional CO2: often 1 treatment can give a significant improvement, sometimes followed by a lighter touch-up if needed
Fraxel Repair: typically 2–4 sessions, spaced out, for gradual improvement

Perioral lines and lower mouth contour changes tend to respond better to fewer, stronger treatments rather than many mild ones.

Key expectation

No laser will completely “erase” natural anatomical folds around the mouth, but CO2 in particular can:

soften the lumps/undulations
smooth perioral lines
improve skin firmness and blending of contours

The goal here is refinement and tightening, not flattening the face.

Can Fraxel Repair fix the lumps under my mouth or would C02 be a better option? (Photos)

Answers (1)

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