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This review discusses recent advancements and ongoing challenges in engineering human skin with appendages using scaffold-free and scaffold-based bioengineering approaches, but it reports no new clinical results.

This comprehensive review suggests that CD44 signaling plays a significant role in post-natal skin wound healing and scar formation, with potential for therapeutic approaches targeting CD44 to shift from fibrotic scarring towards regenerative healing, including wound regeneration and hair neogenesis.

This review explores the eggshell matrix as a potential sustainable and cost-effective alternative source for glycosaminoglycans, but highlights the need for further research to enhance extraction techniques and economic viability.

This study systematically reviews the development and applications of drug-loaded nanofiber scaffolds in wound healing, highlighting challenges such as maintaining drug activity and achieving controlled release, while summarizing preparation methods and describing advanced drug delivery schemes.

This study reviews advancements in the use of biodegradable polymers for wound healing, highlighting various polymer formulations and the observed enhancement of processes like cell proliferation and wound healing in both in-vitro and in-vivo experiments.

This source reports that the JOLT technique using HA fillers is effective in lifting and tightening the lower face and neck, camouflaging the jowl, and improving marionette lines and the mandibular border.

This article reviews how biopolymers are utilized in cosmetics, highlighting their biodegradable and non-toxic properties, recent structural developments, novel applications, and safety considerations in the formulation of skin, hair, and oral care products.

This review discusses dermal cell heterogeneity in wound healing and scar formation, highlighting the varied roles of different fibroblasts and the potential of skin substitutes without presenting new clinical results.

This review discusses the experimental targets of fetal wound healing and evaluates existing therapies for scarless healing in adult skin, but reports no new research findings.

This review examines the major biomaterials used in skin wound healing and evaluates experimental therapies but reports no new research findings.

This review highlights that various components of "skin boosters," such as exosomes and hyaluronic acid, may have potential applications beyond aesthetics, acting as adjunct therapies for improving skin integrity and promoting tissue regeneration, though more research is needed to support their use as primary treatments.

This study found that a microneedle system delivering VEGF and Ritlecitinib improved hair regeneration in mice with androgenetic alopecia, showing faster anagen onset and better hair quality compared to minoxidil.

This review highlights the use of microneedling devices and patches to deliver cosmetic agents through the skin, noting their applications in skin rejuvenation and safety considerations such as potential skin irritation and infection.

In this study, the authors developed a medicated face mask using electrospun fibers to deliver the active compound Eflornithine hydrochloride for managing hirsutism. The mask showed promising drug release characteristics, a high safety profile, and reduced hair growth in mice.

This review discusses various tissue engineering approaches for hair follicle regeneration and biomaterials used, emphasizing its potential despite current clinical challenges.

In this study, researchers developed a polyphenol–amino acid nanozyme capable of controlled hydrogen peroxide delivery, which effectively activated hair follicles via oxidative stress in a mouse model, suggesting a potential non-pharmacological treatment for alopecia.

A pregnant woman's skin condition improved after giving birth, possibly due to high estrogen levels during pregnancy.

This study reports that a new boron/nitrogen-doped carbon nano-onion-based delivery system for doxorubicin enhanced its uptake and anticancer effects in specific cancer cell types, while reducing cardiotoxicity in human heart cells.

This review discusses the growing importance of hydrogel scaffolds in skin wound healing, highlighting their unique properties and recent advancements in their use for treating difficult tissue damage, particularly within tissue engineering.

This review focuses on the role of the transcription factor Foxn1 in skin biology and discusses its potential implications for regenerative medicine, but reports no new clinical results.

This study explores the transformative role of tissue engineering in cosmetics, highlighting innovations like lab-grown skin and personalized grafts that enhance product efficacy, offer ethical alternatives to animal testing, and address aesthetic issues such as scarring and aging.

In this study, the authors reported that while deoxycholic acid effectively reduces submental fat, it can cause adverse effects such as edema, numbness, and skin necrosis, making knowledge of possible complications essential for clinicians.

In this study, 65% TCA showed better improvement for acne scars compared to 50% GA, but GA may be a safer alternative with fewer adverse effects.

This review discusses the role of lysophosphatidic acid in skin physiology and pathology, highlighting its significance in processes like wound healing and hair follicle development, but reports no new clinical findings.

This study found that applying HHORSC exosomes may enhance the hair inductivity of dermal papilla cells, potentially improving treatments for hair loss.

In this study, researchers identified gremilin-2 as a highly specific gene to the dermal sheath cup, suggesting it plays a key role in maintaining its properties.

This study observed that aging leads to significant structural and biological changes in the scalp's hair follicle environment in women, which may affect hair growth.

This study applied a new RGB trichrome stain to human skin samples, revealing distinct structural staining in normal tissues and potential proteoglycan-rich zones in hair follicles.

This study reported that nanoemulsions significantly improved the skin permeability of thiocolchicoside compared to its aqueous solution, suggesting they are effective carriers for its transdermal delivery.

This study suggests that fish oil, specifically its components EPA and DHA, play a beneficial role in promoting skin health by supporting epidermal growth and reducing proinflammatory cytokines.