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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.

In this study, autologous fibroblasts combined with keratin gel were reported to effectively and safely improve tear trough deformities up to 24 months post-injection, with no severe adverse effects observed.

In this study, the authors found that rabbit hair material ground for 8 hours had better suitability and histocompatibility for injectable soft tissue augmentation compared to other tested formulations.

This study found that an injectable hair material showed good biocompatibility in micropigs and effectively promoted dermal thickening, suggesting its potential as a new soft tissue filler.

This study found that an injectable material derived from hair shows good biocompatibility and promotes dermal thickness in pigs, suggesting potential as a new soft tissue filling agent.

This review discusses strategies for achieving natural results in male facial aging treatments using dermal and subcutaneous fillers, but reports no new clinical outcomes.

This review discusses the anatomical and histological characteristics of facial fat compartments and reports no new clinical results, emphasizing a need for further research on their role in facial aging.

This study found that keratin hydrogels extracted from human hair showed potential as biodegradable and biocompatible filler materials, promoting angiogenesis and cell proliferation in rat models.

This case study reports that a 45-year-old woman developed a painless nodule in the lower lip four weeks after receiving hyaluronic acid filler, which required surgical removal, highlighting the potential for delayed complications from lip augmentation procedures.

This study reviews advancements in 3D bioprinting for dermatology, highlighting the creation of next-generation dermal fillers that are more compatible and longer-lasting than traditional ones by using living cells and safe biomaterials, with potential applications in anti-aging and tissue regeneration.

This report describes a case of granulomatous reaction to injectable poly-L-lactic acid in the periorbital area and suggests surgical excision as an effective treatment for persistent nodules.

This study found that dermatology leads in performing office-based cosmetic procedures compared to other specialties, with dermatologists and plastic surgeons having the most experience per physician.

This study found that dermatology leads in performing office-based cosmetic procedures compared to other specialties, with a focus on white, female patients aged 40 to 59.

This review discusses recent trends in non-surgical cosmetic dermatology procedures in the United States and reports no new clinical results, emphasizing the need for evidence-based evaluations of safety and efficacy.

This article reviews common dermatologic procedures, focusing on skin biopsy techniques, with no new clinical results reported.

The document concludes that the first book on mesotherapy lacks convincing evidence, the second book is good for beginners in facial rejuvenation, and the third book is valuable for understanding complications in skin surgery.

This book review in the Archives of Facial Plastic Surgery discusses "Comprehensive Facial Rejuvenation: A Practical and Systematic Guide to Surgical Management of the Aging Face" but does not provide new clinical research results.

Various treatments can improve post-acne scars, but results vary.

The book is a detailed guide on facial cosmetic surgery techniques and advancements, useful for both trainees and specialists.

The document summarizes recent dermatological treatments and advances in areas like pediatric care, wound healing, skin closure, light-based therapies, pigment disorders, hair loss, immunotherapy, infection management, melanoma, drug reactions, and facial rejuvenation.

Using a patient's own tissue for browlifting can improve both the position and fullness of the brow for a longer-lasting rejuvenation.

This review discusses the limitations and techniques of fat transfer for facial rejuvenation, focusing on achieving safe and long-term aesthetic outcomes without providing new clinical results.

This review found that among emerging technologies for skin anti-aging, stem cell therapies using recipient chimerism might be more beneficial than CRISPR-Cas9 and other current innovations, though further studies on safety and efficacy are needed.

This study found that both allogeneic and xenogeneic small extracellular vesicles from adipose tissue similarly enhanced soft tissue regeneration and wound healing in rat models, implying similar therapeutic effects across species.

This study reported that 4D-printed, aliphatic polycarbonate-based scaffolds supported adipose tissue engineering by allowing adipocyte infiltration and neovascularization in vivo, indicating potential for effective adipose tissue repair.

This study explored recent advancements in 3D bioprinting for head and neck defects, highlighting how bioinks and scaffolds may improve treatment customization and functionality by mimicking native tissue features. The research also examined challenges like biocompatibility and regulatory requirements on the path to clinical use.

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.

This study demonstrated that PEGDA hydrogel microwells successfully supported cell survival and proliferation while mimicking hair follicle architecture in vitro, suggesting a potential tool for hair follicle engineering.

In this case study, a patient developed parieto-temporal pain, tissue necrosis, and alopecia after receiving a hyaluronic acid injection for temporal augmentation, which was effectively treated with hyaluronidase and aspirin.

This review discusses the mechanisms and potential therapeutic benefits of mesenchymal stromal cell-derived extracellular vesicles delivered via biomaterials, but reports no new clinical results.