Introduction: Cryofrequency is a non-abrasive and non-invasive aesthetic treatment method aimed at complaints related to localized adiposity and cutaneous fl accidity. The method consists of the generation of radiofrequency waves that in contact with the subcutaneous tissues produce heat. The differential of the cryofrequency is that this method uses a system of superfi cial cooling, producing a thermal shock by combining deep heat and superfi cial cold. Aim: To understand the aesthetic-therapeutic and physiological effects of the cryofrequency method. Method: This study is a bibliographical review. Thus, a search for specialized literature was made and the results were presented descriptively. Results and discussion: The main aesthetic-therapeutic applications observed in the gathered studies are the reduction of fl accidity and body fat content. The main physiological effects are the shortening of collagen fi bers, the production of new collagen fi bers, and the death of adipocytes due to necrosis and apoptosis, both due to the effect of heat on the subcutaneous tissue. Conclusions: We conclude that there is a good level of evidence regarding the use of cryofrequency, though studies of higher methodological quality are necessary to reduce the biases arising from the different types of equipment used and the subjectivity of the measures of outcomes adopted in the carried-out studies.