During this medical procedure, carbon dioxide (CO2) gas is inserted just beneath the skin. CO2 differs from carbon monoxide, which can be deadly. Possible side effects from carboxytherapy are discomfort during treatment and temporary bruising.
Bottom line: Early studies show that women may see less cellulite. In one study, 10 women received 8 treatments. After these treatments, the researchers found that the women had a little less cellulite.