Carboxytherapy in Miami: CO2 Microinjections for Fibrosis, Stretch Marks and Under Eye Circles

A machine holds a canister of sterile, medical grade carbon dioxide and regulates the flow rate and volume delivered. A very fine needle, similar in gauge to what is used for insulin or fillers, goes just under the skin, and a measured puff of gas is released into the tissue. That is it: no drug, no filler, no light and no heat. The only thing entering your body is a gas your body already produces and clears through your lungs.

Two things happen when the gas goes in. The first is mechanical: gas under pressure separates tissue that is stuck together, and in a zone of post surgical fibrosis, where healing has laid down bands of tough tissue, that separation is the point. The second is physiological: the local presence of CO2 increases blood flow to the area and draws fibroblasts, the cells that build and remodel connective tissue, into the treated zone. Dermatology reviews describe this as the basis for its use on scars, stretch marks and fibrolipodystrophic adhesions after liposuction.

This is the reason most of our carboxytherapy patients walk in.

Somebody has liposuction, the first weeks go well enough, and then around week three, four or five, an area of the abdomen or flank starts to feel hard. Not swollen, hard: a ridge that was not there before, a lumpy patch, a shelf you can trace with a finger. That is fibrosis, scar tissue contracting and organizing itself unevenly.

The standard tools for it are manual work and compression. Both are essential and neither reaches inside the plane where the problem lives. Carboxytherapy does, and that is its niche: we use it on areas that have plateaued, where drainage and consistent compression have taken the swelling down but a specific hard zone will not soften. The approach is a grid of small injections across the fibrotic area, repeated weekly, combined with hands on work in the same session, never a replacement for your drainage sessions or your garment.

Stretch marks are not a surface problem, they are a scar in the dermis where the collagen and elastin architecture tore and rebuilt itself badly, thinner than the skin around it. That is why creams do so little. There is nothing wrong with the surface, and carboxytherapy is used here because the mechanism aims at the right layer instead. No treatment removes stretch marks; improvement in color, texture and depth is the realistic goal, and newer marks that are still pink or purple respond better than old white ones.

The under eye area is the one indication where we set expectations lowest, on purpose. Dark circles have at least three causes that look similar to an untrained eye: vascular, where thin skin lets the bluish congestion of underlying vessels show through; pigmentary, where the skin itself carries excess melanin, common in Latin, Mediterranean, South Asian and Middle Eastern skin; and structural, where a hollow between the lower lid and cheek casts an actual shadow.

Carboxytherapy addresses the first kind, improving perfusion and stimulating a modest thickening of very thin skin. It does very little for the second and nothing for the third. Patient reports here are more mixed than for body indications, with some describing a good result that faded within weeks. We would rather send you away from a treatment than take your money for the wrong one.

Book about thirty to forty five minutes for a body area. Each injection delivers a small volume of gas over a few seconds: you will feel a spreading burn and stretching pressure, sometimes traveling well beyond the injection point, that peaks and then dies down. Fibrotic areas and heavy cellulite are the worst; the under eye area feels more like fizzing.

Afterward the treated skin may look slightly swollen and feel crackly under your fingers as the gas absorbs, usually within an hour or two. Pinpoint bruises are common and fade over several days. There is essentially no downtime. Avoid the pool, sauna and heavy sweating for the rest of the day, and keep the area out of direct sun.

We treat a lot of Fitzpatrick IV to VI skin, and it changes how we do this. Carboxytherapy uses no light and no heat, so melanin is not a target and there is no burn or pigment-damage risk of the kind laser and intense pulsed light devices carry. The real consideration in richly pigmented skin is different: any needle trauma, bruise or inflammation can trigger post inflammatory hyperpigmentation, so we use fine needles, limit entry points, keep pressure on any bleeding spot and insist on sun protection over the treated area. Ask any clinic in Miami how they adjust their protocol for your skin. If the answer is that they do not adjust anything, that tells you what you need to know.

We will not treat you if you are pregnant, over an active infection, an open wound or an unclosed incision, or an area where a seroma is suspected until it has been evaluated. Significant heart, kidney or lung disease, uncontrolled blood pressure or severe anemia need medical clearance, and blood thinners mean we talk to your doctor first. If you had surgery recently, your surgeon sets the timing, and we hold the appointment until we have that clearance, even when a patient pushes.

Come in for an assessment first: we need to touch the area to know whether what you are feeling is fibrosis, swelling, a seroma or normal healing, and those call for four different plans. At that visit you leave with a written plan: which areas, how many sessions, how far apart, and what we expect to change. If we do not think carboxytherapy is right for you, we will say so at that visit rather than after you have paid for a package.