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This review discusses the limitations of current hair classification systems and highlights the need for standardized reporting of key hair characteristics to improve study comparisons; it reports no new results.

Certain treatments can speed up local hair growth in mice but don't change the overall hair growth pattern.

This study found that injecting keratin into the skin of mice promoted hair growth, potentially through keratin's interaction with hair-forming cells and changes in the microenvironment.

This study found that silk fibroin/sodium alginate scaffolds seeded with dermal papilla cells may accelerate skin repair and hair follicle regeneration in a rat model.

This study found that a 16-week dermal application of rice bran extract significantly increased hair density and diameter in male androgenic alopecia patients without causing adverse reactions.

This study found that transplanting hair follicles into human scars may remodel fibrotic tissue and reduce scarring by altering collagen structure and decreasing pro-fibrotic factors.

This study found that engineered skin substitutes made with skin-derived precursors and epidermal stem cells can regenerate hair follicles after grafting into nude mice.

This study found that hair transplantation to lower the frontal hairline resulted in high satisfaction scores from both patients (average 4.2 out of 5) and surgeons (average 4.3 out of 5), suggesting it as a viable option for addressing high forehead concerns.

This study presents a new method for evaluating cosmetic treatments by measuring the resistance of hair to mechanical wear, revealing differences related to hair ethnicity and treatment type.

This case report describes how trichoscopy helped diagnose tinea capitis disguised as female pattern hair loss in cases of endothrix infection, highlighting its usefulness in avoiding misdiagnosis.

This study evaluated donor area scars in hair restoration using a new assessment scale and found that most patients had good quality scars, with average scores of 15 or less out of 40.

In this study, using a 16G epidural needle for preparing the recipient area in hair implantation minimized grafts popping out and resulted in a natural-looking hairline with satisfactory graft survival.

This study examined the preservative and antimicrobial susceptibility of non-fermenting bacilli collected from beauty salon waste in Brazil.

This study observed that the biophysical properties of hair in Caucasian females with brown hair significantly change with age, and smoking or being overweight was linked to smaller hair cross-sectional areas.

In this study, researchers found that recombinant human HAPLN1 promoted hair growth in mice and human hair matrix cells by activating specific signaling pathways, suggesting it may offer a potential hair loss treatment with fewer side effects than existing medications.

This study found that laboratory and African spiny mice have distinct spatiotemporal patterns in wound-induced hair neogenesis, with the Twist1 pathway playing a central role in epidermal-dermal interactions for hair primordia formation.

This chapter provides an overview of the complex chemical and physical structure of the hair surface, detailing how factors like ethnicity, environmental stress, and cosmetic treatments can alter its properties and influence the adhesion of hair care products.

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.

Birth control pills and anti-androgen medications help manage hair growth, acne, and hair loss in women with PCOS.

In this study, oral administration of strawberry guava extract promoted hair growth in both mice and humans, with active components like adenosine, fructose, digalactosyldiacylglycerol, and pedunculagin contributing by enhancing skin blood flow and activating dermal papilla cells.

This review discusses current treatment strategies for alopecia and highlights the potential of lipid-based nanoparticles to improve drug delivery to the scalp and hair follicles, noting their ability to enhance skin penetration and drug stability while outlining associated challenges and the need for further research.

This review outlines the transition from simple hair follicle organoids to immune-competent microphysiological systems, addressing limitations in replicating native hair follicle immune features and discussing their applications in disease modeling and regenerative medicine.

In this study, researchers suggest that hair follicle miniaturization in conditions like androgenetic alopecia may result from impaired conversion of quiescent stem cells to progenitor cells, influenced by the follicular niche, its collagen network, and various mechanical constraints.

This review discusses hair follicle organoids as emerging models for studying hair biology and disorders, emphasizing their promise for bridging basic research and clinical applications, but reports no new results.

This review discusses recent advancements in hair follicle organoid technology for alopecia treatment but presents no new experimental results, emphasizing the potential for clinical applications and drug screening.

This literature review suggests that hair cell loss in hearing loss is often secondary to preceding morphological and functional defects in hair cells, indicating that interventions should focus on hearing preservation before significant hair cell loss occurs.

This study analyzes contemporary theories and practices to understand key factors influencing the development of the examined phenomenon, proposing trends and practical applications for researchers and practitioners, while acknowledging study limitations and suggesting future research directions.

This study highlights a chronic case of hair fall in a female patient managed with constitutional homeopathy, lifestyle changes, and nutritional supplements, suggesting that individualized and integrative approaches can effectively improve conditions like hair loss.

In this study, researchers used 3D bioprinting with skin stem cells and specific hydrogels to create artificial skin that successfully promoted complete wound healing and the regeneration of skin structures, including hair follicles and blood vessels, in mice.

This study examines the formulation and effectiveness of a natural hair gel made with Mussaenda frondosa leaf extract for its potential anti-dandruff benefits, highlighting its safety and additional advantages for promoting hair and scalp health.