Carboxytherapy is used to treat cellulite, dark under-eye circles, and stretch marks. People who undergo the procedure find an improvement in:
●     circulation
●     skin elasticity
●     fine lines and wrinkles
●     It also aids with collagen repair and the destruction of fatty deposits.
Additionally, it can help reduce under-eye circles by increasing blood flow to the eyelid. Some physicians have also used the therapy to treat alopecia caused by poor blood circulation.
For fat and cellulite reduction, the procedure is often preferred over more invasive and high-risk methods, like liposuction.
Carboxytherapy can be used on the:
●     face
●     eyelids
●     neck
●     stomach
●     arms
●     legs
●     buttocks

How the procedure works
Poor blood circulation is partially responsible for cellulite, stretch marks, and dark under-eye circles. Cells in the body release carbon dioxide as waste. Red blood cells take the oxygen you inhale and carry it to tissues, then pick up carbon dioxide. Eventually, the carbon dioxide is exhaled by the lungs.
A physician can increase blood circulation to a specific area by injecting carbon dioxide, causing the red blood cells to rush to the area.
When the blood cells reach the location, they create an increase in circulation. This works to repair skin elasticity and, in the case of under-eye circles, change pigment to a healthy glow.
●     Stretch marks: The stretch marks you see on your body are a rupture of dermal collagen. Carboxytherapy creates new collagen, which thickens the skin and improves its appearance.
●     Cellulite: Carbon dioxide gas can also be injected into fat cells, which causes the cells to burst and be eliminated in the body. Cellulite is caused when subcutaneous fat protrudes through the skin. Several studies have found that carboxytherapy is both safe and effective when used to treat cellulite.
●     Under-eye circles: Dark circles under the eyes are usually caused by poor circulation, which creates vascular pooling. Injecting the gas under the eyelid reduces this bluish pooling and replaces it with a blush tone.
●     Alopecia: Alopecia (hair loss) caused by poor circulation can be treated with carboxytherapy as well.
What to expect after
When carboxytherapy is used to treat stretch marks and scars, it’s relatively painless. This is because scar tissue doesn’t have nerves. You may feel an itching sensation as the stretch marks are distended during the procedure. The itchiness should resolve in about 5 minutes.
People who use carboxytherapy for treating cellulite and fatty deposits may feel pressure during the injection, similar to the sensation felt during a blood pressure test. This is caused by the expanding gas.
Treated areas will feel warm and tingly after the treatment for up to 24 hours as the carbon dioxide gas does its job and circulation improves. But you should be able to perform your normal routine after the procedure is over.