June 2023 in “Research Square (Research Square)” This study found that polycaprolactone (PCL) in facial fillers led to more cell proliferation and vascular activity than hyaluronic acid (HA) in Wistar rats, suggesting enhanced tissue regeneration effects with PCL.
June 2019 in “The Egyptian Journal of Histology” In this study, hyaluronic acid filler injections in albino rats increased subcutaneous tissue thickness, collagen and elastic fibers, and vascularization, suggesting potential benefits for combating skin aging and defects.
97 citations
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May 2008 in “Journal of Cutaneous Pathology” This review highlights the challenges in identifying histological features of adverse reactions to soft tissue fillers and emphasizes the need for increased awareness due to product uncertainty and delayed reactions.
81 citations
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January 2003 in “Journal of cosmetic and laser therapy” This review discusses various techniques for treating post-acne scars, highlighting new laser technologies and tissue augmentation methods, but reports no new clinical results.
14 citations
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August 2017 in “Dermatologic surgery” This review discusses strategies for achieving natural results in male facial aging treatments using dermal and subcutaneous fillers, but reports no new clinical outcomes.