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Updated: May 24, 2026

Innovative Adipose Tissue Fractionation for Transforming Fat into Specialized Components
Published on: July 11, 2025
Timothy M Greco1, Marcelo B Antunes, Seth A Yellin
1Division of Facial Plastics and Reconstructive Surgery, Department of Otorhinolaryngology-Head and Neck Surgery, University of Pennsylvania, Philadelphia, Pennsylvania, USA. timg@drgrecoface.com
This article discusses how injectable fillers can be used to restore volume in aging faces. It explains that facial aging involves changes beyond the skin, including fat and bone loss. Fillers like hyaluronic acid and biostimulators can be used alone for early aging or as a trial before more invasive procedures like fat grafting. The study emphasizes proper injection techniques and facial thirds for optimal results. It suggests that fillers offer a minimally invasive option for facial rejuvenation.
Area of Science:
Background:
Understanding facial aging has evolved beyond skin changes to include subcutaneous fat and skeletal shifts. This shift has altered treatment strategies for facial rejuvenation. Soft tissue repositioning is now combined with volumizing techniques. Early aging can be addressed non-surgically using fillers. Fillers provide a minimally invasive alternative to surgery. Available products include hyaluronic acid and biostimulators. These agents help restore facial volume and structure. This approach optimizes natural rejuvenation outcomes.
Purpose Of The Study:
The study aims to explore how facial aging affects structure and volume. It focuses on non-surgical rejuvenation using injectables. The goal is to understand how fillers restore youthful contours. It also highlights the role of fillers as a pre-surgery trial. The paper reviews available filler types and their properties. It addresses technical considerations for facial rejuvenation. The study emphasizes optimizing results in facial thirds. It provides guidance for clinicians on filler application.
Main Methods:
The study reviews morphological changes in aging faces. It evaluates available injectable fillers and biostimulators. It discusses the properties of hyaluronic acid and related agents. The paper compares filler longevity and structural support. It addresses injection techniques for facial thirds. It considers patient suitability for fillers versus surgery. The study emphasizes pre-procedure assessment and planning. It concludes with how fillers can precede fat grafting procedures.
Main Results:
Injectable fillers effectively restore volume in aging faces. Hyaluronic acid and biostimulators offer varying durations. Fillers can be used alone for early aging without surgery. They provide a natural rejuvenation effect when properly placed. The study highlights upper, middle, and lower facial thirds. Fillers act as a trial before structural fat grafting. Technical precision is crucial for optimal outcomes. These agents help maintain facial structure and contour.
Conclusions:
The authors suggest that fillers can optimize facial rejuvenation outcomes. They propose that fillers are suitable for early aging stages. The study emphasizes the need for precise injection techniques. It concludes that fillers can precede more invasive procedures. The authors suggest that fillers help patients visualize results. They highlight the importance of facial thirds in treatment planning. The study concludes that fillers are a valuable pre-surgery tool. It suggests that fillers offer a minimally invasive rejuvenation option.
Injectable fillers restore lost volume in aging faces, optimizing natural rejuvenation when placed correctly.
Hyaluronic acid, calcium hydroxylapatite, and poly-L-lactic acid are commonly used for facial volumizing.
Each facial third requires specific filler techniques to restore volume and maintain natural contours.
Yes, fillers can act as a 'dress rehearsal' to help patients visualize potential fat grafting outcomes.
Biostimulators like poly-L-lactic acid stimulate collagen production to restore facial volume over time.
The authors suggest fillers can optimize rejuvenation outcomes and serve as a pre-surgery trial.