Abstract
Objective: To demonstrate the importance of hyaluronic acid (HÁ) as a technique used not only for aesthetic purposes, but also to restore the functional part. Methods: This was a review of the literature, with a descriptive approach with an informative character, where the formulation process took place through searches by scientific literature, in databases, having as descriptors: the importance of hyaluronic acid and its benefits in current days. Results: In recent years the use of hyaluronic acid has been highlighted in the procedures related to facial harmonization, which is a significant result of the improvement in depressions and facial structures, considerably reducing the signs of aging. Within this scope, many positive aspects regarding this polysaccharide are highlighted. Final Considerations: The filling technique is painless since the patient undergoes local anesthesia and in a matter of minutes can resume his daily activities being quite effective and safe for the delay of the early aging, significantly improving the lines of expression and attenuating the facial asymmetry.