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This report describes a case of sclero-atrophy localized to the frontal scalp following an injection of botulinum toxin type A, which has not been previously documented in the literature.

This review discusses advances in understanding hair and hair follicle structure, gene expression, and molecular signals in hair formation, without reporting new clinical findings.

This study found that papain/bisulfite disintegrates human hair cuticles by dissolving the endocuticle, potentially accelerated by ethanol's removal of cell membrane material.

This review of 47 studies indicates that platelet preparations may significantly enhance cellular activity, wound healing, and facial aesthetic outcomes in facial plastic surgery, though potential publication bias should be considered.

This study proposes a new method to selectively isolate keratin-associated proteins and keratin from human hair, suggesting that KAPs may support keratin fibers in hair structure.

This review discusses the diagnostic criteria and guidelines for managing loose anagen syndrome and differentiating it from non-scarring alopecias, but it reports no new clinical results.

This review discusses the unique characteristics and disorders of Asian hair, emphasizing the need for more comprehensive studies in this area.

In this study, researchers reported that CD34 expression in the isthmic region of canine hair follicles suggests a potential stem cell compartment in this area.

Reflectance confocal microscopy can tell apart white dots on the scalp as either sweat gland ducts or hair follicle openings.

This article discusses a potential link between adipocyte-myofibroblast transition and androgenetic alopecia, suggesting AMT may play a role in fibrosis associated with the condition but presents no new results.

This review explores theories on the evolution of hair from synapsid scales and glands, proposing mechanisms supported by comparative studies, but reports no new experimental findings.

This paper proposes a theory explaining how the normal anabolic effects of androgens lead to structural changes and hair follicle miniaturization, contributing to androgenic alopecia.

In this study, a bioengineered construct using a biodegradable polycaprolactone mat cocultured with human keratinocyte and rabbit dermal fibroblast cells demonstrated potential as a tissue-engineered skin substitute, showing good cell adhesion and growth.

This study demonstrated that intraoperative bioprinting using a bioink with human adipose-derived extracellular matrix and stem cells achieved successful reconstruction of full-thickness craniomaxillofacial skin defects in rats, promoting wound closure, adipogenesis, and hair follicle-like structure formation within two weeks.

This chapter reviews the use of electrospun matrices in creating tissue-engineered skin substitutes and reports no new clinical results; it emphasizes the need for a cell-friendly microenvironment.

This paper reviews the benefits of using silk proteins as natural ingredients in cosmetics, highlighting their potential for improving skin and hair health due to properties like antimicrobial activity, UV resistance, and enhanced moisture absorption.

This study reviews the potential of electrospun nanofiber mats as innovative drug delivery systems for wound healing, emphasizing their ability to enhance drug release, improve cell adhesion, and promote tissue regeneration by incorporating antibiotics, growth hormones, or stem cells.

This article critically examines the relationship between new media and digital games, emphasizing their cultural and historical contexts, but provides no new empirical findings.

This study found that knock-down of keratin 15 in various cell lines affected cell spreading, morphology, migration, differentiation, and proliferation, suggesting its role in maintaining the stem cell nature of keratinocytes.

This study indicated that a novel calcium-phosphate nanoflower coating on titanium surfaces had high surface area, low cytotoxicity, and promising cell affinity, suggesting it could be a potential alternative modification method for titanium implants.

This chapter reviews various mucocutaneous manifestations of endocrine disorders and provides illustrative images of these clinical features, but reports no new research findings.

In this study, researchers localized arginine and citrulline in rat hair follicles and found that arginine is abundant in trichohyalin droplets, while citrulline predominantly accumulates in the hardened inner sheath and medulla.

This study developed a bilayer material combining poly(vinyl alcohol) and bacterial cellulose with a gelatin-poly(vinyl alcohol) hydrogel, showing strong potential as a wound dressing due to its good antibacterial properties, cell viability, and sustained drug release.

The skin is essential for protection, temperature control, and immune defense.

This study developed a bilayer bionic skin scaffold that mimics the skin's structure to resist microbial invasion and enhance wound healing, with in vivo animal studies showing improved collagen deposition, neovascularization, and hair follicle formation.

In this study, researchers found that the morphology, composition, and elemental enrichment of domestic cat hairs vary significantly along their length, contributing to a functional gradient that affects mechanical properties and challenging assumptions of uniformity in hair structure.

This study found that human adipose-derived stem cells co-cultured on a collagen sponge scaffold showed increased differentiation into keratinocytes, suggesting potential for improved skin wound healing.

This study examined the complex morphology of the cornified claw sheath in domesticated cats, uncovering structures and growth patterns that help maintain sharp claw tips essential for climbing and prey capture.

The researchers developed semi-dissolving microneedle patches using TEMPO-oxidized bacterial cellulose nanofibers, which allow effective transdermal drug delivery by forming micro-channels for large drug quantities, overcoming traditional microneedles' low drug loading.

Animal experiments in this study demonstrated that a new sandwich-like fiber/sponge dressing design, which enhances wound healing through improved moisture management and faster exudate evaporation, resulted in more significant wound size reduction compared to commercial and control dressings.