Overview of Filler: Compositions, Effects, Rheological Consideration

ABSTRACT

As increasing demands for facial soft tissue augmentation by injection and minimal invasive procedures, filler has become increasingly popular and a suitable method for patients' demands. Over several decades, many filler products have been introduced. Successful clinical application of filler products requires a thorough understanding of their compositions, effects, and rheology. This study reviewed filler products according to the classification of effect duration permanent, semipermanent, temporary.