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This study found that the moisture content of human hair significantly influences the type of fracture under tensile loading, with low or high humidity levels leading to smooth fractures and intermediate humidity resulting in step fractures.

This article reviews the causes and clinical presentation of pseudofolliculitis barbae, highlighting how genetic susceptibility and hair removal practices contribute to its development, but reports no new research findings.

This study found that finasteride impaired stress reactivity and reduced exploratory and impulsive behaviors in rats, potentially by altering the hypothalamus-pituitary-adrenal axis function.

This article discusses the use of hair transplantation as a reconstructive method to restore hair in various areas affected by defects, highlighting its advantages in providing natural-looking restoration.

This review proposes a new approach for categorizing and diagnosing unruly hair forms, building on previous literature and clinical experience, without presenting new clinical results.

This chapter reviews cultural practices and morphological differences in ethnic hair, relating them to specific disorders seen in these populations, without presenting new clinical results.

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 study reported that combined oral finasteride and topical 5% minoxidil treatment in men with male-pattern hair loss improved hair growth by initiating anagen in pre-existing but deficient follicles, yet the growth rates remained unchanged and did not normalize hair productivity.

This article outlines a practical method for diagnosing and managing feline symmetrical alopecia but presents no new empirical findings.

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 study found that coconut oil significantly increased the tensile strength of twisted hair fibers due to its ability to penetrate the hair core, in contrast to mineral oil.

The document concludes that various disorders can cause hair loss in dogs, each requiring different treatments, and some may heal on their own.

This report from Tangle Teezer and TRI Princeton indicates that their Extra Gentle brush reduces hair breakage by up to 39%, offering a therapeutic experience for users with fragile scalps.

This study found that women with alopecia have significantly lower tensile strength in both dry and wet hair samples compared to controls, indicating increased hair breakability.

This study observed that a polyherbal hair oil made from virgin coconut oil and extracts of nine different herbs demonstrated effectiveness in promoting hair growth with a cooling effect and no reported side effects, based on various evaluated properties.

In this study, researchers found that female rats exhibited more pronounced panic-related escape behavior during hypoxia, particularly in the diestrus phase, and that low-dose fluoxetine reduced this behavior, suggesting its potential for managing panic disorder symptoms related to hormonal cycles in women.

This review examines the benefits and preparation methods of herbal versus chemical depilatories, highlighting the potential safety and efficacy advantages of herbal ingredients but provides no new experimental findings.

This study found that traction alopecia risk was higher in adults than children and increased further when traction was combined with chemically relaxed hair.

This article reviews common causes of hair loss, noting that a well-directed history and examination are often sufficient for diagnosis, and reports no new clinical findings.

This review highlights the light microscopic features of various infectious and non-infectious hair conditions and reports no new clinical results.

This article reviews loose anagen hair syndrome, an inheritable hair disorder affecting children and sometimes adults, but does not report any new clinical results.

This retrospective review of hair samples from pediatric patients indicated that microscopic hair examination might be a useful first-line investigation for diagnosing various genetic conditions.

This article reviews how normal pregnancy changes can mimic rheumatologic disorders, emphasizing the importance of distinguishing these from true autoimmune inflammation, but reports no new evidence.

This case report describes a hair structure abnormality associated with iron deficiency anemia, which improved after iron supplementation ceased hair loss and corrected the hair shaft abnormality.

This review discusses central centrifugal cicatricial alopecia and emphasizes the need for more research to understand and manage the disease, while also suggesting initiatives like educating hairstylists for early detection.

In this study, hair samples from Mexican women were found to be intermediate in diameter and shape between Asian and Caucasian hair, exhibiting high intra- and inter-individual variability and unexpected levels of tensile damage.

This review discusses the unique dermatologic needs and conditions affecting women of color, noting specific skin and hair conditions but reports no clinical results.

This review examines hair cosmetics, including shampoos and conditioners, for their formulations and effects, but reports no new clinical findings; it emphasizes the importance of dermatologist knowledge in treating diverse hair conditions.

Humans lost body hair relatively recently in evolution.

This review summarizes proposed pathophysiological mechanisms of postpartum depression, highlighting neuroendocrine and neurobiological changes, but reports no new findings and calls for integrated understanding of the disorder.