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This review discusses the structure and regenerative potential of hair follicles, highlighting their role in wound healing, stem cell populations, and keratin-based biomaterials, but it reports no new clinical results.

This study found statistically significant patterns in hair morphology and ultrastructure linked to biogeographic ancestry among European, African, and East Asian populations.

This study identified numerous size polymorphisms in the human ultrahigh sulfur KAP4 genes due to intragenic sequence variations, suggesting these polymorphisms may have arisen through deletions and duplications during evolution.

This study observed that hair follicles in hair loss patients had increased levels of Propionibacterium acnes, potentially linked to elevated immune response gene expression in miniaturized hair follicles.

This study found that excessive heat caused the most significant structural changes in hair from Caucasian and Afro samples, especially when combined with other treatments like bleaching and straightening.

Chitosan/LiCl composite scaffolds help heal deep skin wounds better.

Darker hair may lead to higher cortisol readings, suggesting a need to adjust for hair color in studies.

In this study, researchers identified three molecules in hair that varied with age, suggesting potential markers for aging and targets for cosmetic products.

This study found that dihydrotestosterone (DHT) may shorten the hair growth cycle through mechanisms like cell-cycle arrest and β-catenin downregulation in rat hair follicle cells.

In this study, male-pattern baldness was strongly associated with a higher risk of keratinocyte cancers, particularly squamous cell carcinoma and melanoma, likely due to increased sun exposure on the scalp rather than androgen levels.

This study hypothesizes that a mummified 19th Century girl in San Francisco died of severe undernourishment potentially due to a bacterial-borne disease, highlighting historical health challenges mitigated by modern sanitation and medicine.

This small study reports that a 6-group geometric classification method is more reliable for classifying human hair curl, although a digital system could further reduce errors.

This article reviews risk factors and warning signs of elder abuse in different settings, emphasizing the importance of dermatologists in correctly identifying potential abuse injuries, but presents no new clinical findings.

This study concluded that standard decontamination procedures do not fully remove external contamination from post mortem hair specimens, which complicates using hair analysis to assess long-term drug exposure.

This review explores cannabigerol (CBG) as a potential therapeutic agent with various pharmacological activities but reports no new clinical results, emphasizing the need for further research on its efficacy and safety.

This case report concludes that the presence of distinctive histiocytic responses in a Cambodian woman's eyelid lipogranulomas suggests surreptitious silicone injections despite her denial of prior procedures.

This study found that thermal hair-straightening devices significantly damaged the cuticle and cortex of virgin Asian and Caucasian hair, with Asian hair experiencing more protein loss than Caucasian hair.

This review discusses the potential of evaluating hair follicle characteristics as early indicators of vascular impairment and organ damage in pre-diabetic individuals, but reports no new clinical results.

This study reported that pulverizing hair samples significantly improves the precision of testosterone measurement, with higher testosterone concentrations observed in men than in women.

This study reports that scalp biopsies in white adults usually have 16.5 hair follicles, primarily in the anagen phase, with male samples showing fewer follicular units but more fibrous tracts in certain areas.

In this study, researchers found that the naked (N) gene in mice indirectly affects the synthesis of structural proteins in mouse hair, resulting in reduced high tyrosine protein content and unusual amino acid compositions.

This review discusses the wound healing process and the factors contributing to abnormal scarring after thermal injuries, but it reports no new clinical results.

This study validated a highly selective and fast LC–MS/MS method for accurately measuring levels of tadalafil and finasteride in human plasma, adhering to international bioanalytical guidelines.

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.

This study found that newborn hair caffeine content reflects maternal caffeine intake during the third trimester, providing a potential method for assessing fetal caffeine exposure.

This study found that a single application of 'Lye' or 'No-Lye' chemical straighteners significantly reduced drug concentrations in hair samples from both drug-fortified standards and authentic drug users.

This study demonstrated that an LC/MS-MS method could effectively detect and quantify the vitamin B3 vitamer nicotinamide in human hair, suggesting its potential use for long-term deficiency examination.

This study investigated various proteins as eco-friendly hair perming agents for Asian hair and found that bovine serum albumin and keratin achieved perming results comparable to commercial products, while also increasing hair moisture, indicating a protective effect during heat styling.

This article provides a comprehensive overview of tattoo-related issues for clinicians, covering various aspects such as tattoo types, medical relevance, removal methods, complications, and South African legislation, but reports no new research findings.

This study found that 6-Gingerol significantly suppressed hair growth in mice by reducing hair follicle number and length, potentially through increased expression of MMP2 and MMP9.