January 2025 in “Scripta Medica” In this study, PDO, PLLA, and PCL thread implants in ageing rat skin did not alter MMP1 gene expression but maintained collagen levels similar to young skin without UV-B exposure, suggesting possible benefits for skin collagen but not gene expression modification.
July 2023 in “AESTHETIC OROFACIAL SCIENCE” This article reviews the use of polydioxanone (PDO) threads for facial rejuvenation and reports no new clinical findings, highlighting their safety and potential for natural, durable results.
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.
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September 2020 in “Clinical, cosmetic and investigational dermatology” This research found that hyaluronic acid increased cell proliferation and type I collagen more effectively than poly-L-lactic acid in both human fibroblast cultures and rat dermis.
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January 2024 in “Egyptian Dental Journal /Egyptian Dental Journal” This study observed that injecting minimally cross-linked hyaluronic acid with PDO smooth threads in female patients with dry, cracked lips led to significant improvements in lip texture, elasticity, and reduced fissure depth, effects that lasted up to nine months with additional booster injections.
