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This review discusses hair shaft disorders, noting the lack of specific treatments and recommending general care practices to prevent hair damage, with some improvement possible during puberty or with treatments like minoxidil.

This study found that the gene for the enzyme aromatase is expressed in scalp hair follicles of women and is negatively correlated with LH levels, potentially reflecting the hormonal environment of hair follicles in PCOS.

In this study conducted on mouse fetuses, valproic acid was found to reduce Sonic Hedgehog expression in the skin and hair follicles, but the inclusion of vitamin E helped mitigate this effect, supporting its potential role in managing valproic acid-induced changes.

This review discusses the clinical, epidemiological, and pathophysiological aspects of female pattern hair loss and reports no new experimental findings.

This review discusses the diagnostic classification and traditional Korean medicine treatments for abnormal hair growth and reports no new clinical results; it suggests that combining these with modern technology may enhance cosmetology advances.

This review discusses traditional Korean medical treatments for abnormal hair growth (pilosis) and hair removal, highlighting their long history and potential for cosmetic advancement when combined with modern technology; it reports no new clinical results.

This article reviews traditional and modern methods for treating pilosis with both Korean medicine and current technologies, but it does not provide new clinical results.

This article presents a case of an 8-year-old boy with Recklinghausen's disease showing features such as café-au-lait spots, alopecia, and developmental anomalies, but reports no new findings beyond observation.

This study aimed to evaluate the incidence of telogen effluvium in patients from Guanambi-BA who had a prior COVID-19 infection, noting a lack of extensive research on the connection between COVID-19 and the development of this hair loss condition.

This article compiles references on toxic epidermal necrolysis and cutaneous reactions to anticancer agents but reports no new findings.

This article outlines the benefits and applications of the trichophytic closure technique in hair transplant surgery, noting its role in improving cosmetic outcomes for donor area scars.

This paper presents a therapeutic approach with excellent results in a case of lichen planopilaris overlapping with dermatomyositis and scleroderma, although broader applicability is not discussed.

A man had a non-cancerous, fast-growing skin lump on his arm that was removed with surgery.

This case report describes a twenty-year-old woman misdiagnosed with a sebaceous cyst that was actually pilomatrixoma, a benign skin lesion from hair matrix cells, confirmed by histopathology after excision.

In this study, pilomatricoma, a benign skin tumor from hair follicle matrix cells, is highlighted as an important consideration when diagnosing painless, firm subcutaneous nodules, with accurate diagnosis relying on histopathological examination.

This case report describes a pilomatricoma in a 21-year-old woman, highlighting the diagnostic process and illustrating the potential for intraoral surgical access to minimize scarring.

This study of pilomatrixoma cases in children reveals that these benign tumors typically present as painless masses under the eyebrow and can be effectively treated with surgical excision, though rare rapid growth may occur.

In this case study, a 34-year-old woman with a rare presentation of pilomatrixoma involving alopecia and skin hypopigmentation showed no improvement in these symptoms despite a 3-month trial of topical steroid treatment, highlighting a potential association between pilomatrixoma and microinflammation.

Pili annulati is caused by a protein metabolism disorder affecting hair structure.

This report describes a case of trichostasis spinulosa, a condition with pruritic, black papules on the face caused by keratotic plugs with embedded vellus hairs.

This study suggests that pili annulati is likely more common than traditionally thought, highlighting the importance of recognizing its characteristic clinical and trichoscopic features for accurate diagnosis.

In this case report, an 18-year-old male's cheek lump initially diagnosed as a sebaceous cyst was found to be a pilomatrixoma after surgical excision and histopathological examination.

This case report describes the histopathological features of nevus psiloliparus in an 11-year-old girl, noting "shadow" follicular units with loosely arranged collagen and reduced elastic fibers.

The authors concluded that milia, steatocystoma multiplex, and eruptive vellus hair cysts may be subtypes of multiple pilosebaceous cysts with overlapping histologic features.

This report discusses a case of pilomatrixoma, an uncommon benign skin tumor, and emphasizes the importance of histopathological analysis for accurate diagnosis to avoid misdiagnosis as malignancy.

This study found evidence that polythelia pilosa, previously excluded from classification, should be reintroduced as it marks true aberrant mammary structures in men and hirsute women.

This case report describes a rare instance of pilomatricoma, a benign tumor of the hair follicle, accompanied by striae distensae on a young man's flank, emphasizing the uniqueness of this presentation for timely diagnosis and care due to its potential for malignant transformation.

This article discusses a historical case of a rare skin disorder involving alopecia and follicular plugs reported in 1907; it presents no new findings.

This review synthesizes existing research on eyelid pilomatrixomas, highlighting the challenges in diagnosis and the importance of understanding their presentation and management strategies.

This study found that long-pulsed ruby laser treatment effectively reduced hair density on the beard and chest of male-to-female transsexuals, achieving a 50–90% reduction maintained over six months.