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In this study, researchers observed that Keratin 15 expression in hair follicles was significantly higher in normal adult men compared to those with androgenetic alopecia.

Linalool in fragrances may harm hair follicles and contribute to hair loss.

This study suggests that allergens like linalool found in personal care products may contribute to the pathobiology of frontal fibrosing alopecia by affecting immune responses and stem cell function in hair follicles.

Linalool in personal care products may worsen frontal fibrosing alopecia by damaging hair follicle stem cells and triggering harmful immune responses.

This study found that women with androgenetic alopecia demonstrated higher androgen receptor gene expression compared to controls, with a correlation found between higher AR expression and fewer CAG repeats in the AR gene.

This article discusses the potential of using vitrified hair follicles from younger men with a family history of male pattern baldness to increase donor availability for future hair transplantation, and reports no clinical results.

This commentary reviews the evidence for microinflammation's role in pattern hair loss and suggests that further studies with age- and sex-matched controls are needed to substantiate the findings.

In this study, researchers found that the gene LRRC15 was overexpressed in dermal papilla cells from balding areas compared to non-balding areas in patients with androgenetic alopecia.

This report describes two patients with frontal fibrosing alopecia who developed acute hair loss on their limbs, revealing that the limb alopecia had similar histological features to scalp alopecia.

This study detected higher expression of p63 in occipital scalp areas compared to frontal areas, with minimal changes in beta-catenin expression and a novel finding of CD34 positive cells in hair follicles' outer root sheath.

This study reported that while eyebrow hair transplantation in patients with frontal fibrosing alopecia achieves satisfactory short-term results, most patients experience significant hair graft loss within 3-4 years.

This study provides a framework for understanding different types of alopecias based on immune privilege collapse at specific follicular sites, revealing distinct patterns in immune effector programs and stromal influences depending on the alopecia type.

This review suggests that the mTOR signaling pathway may play a significant role in hair follicle health by influencing the effects of Vitamin D receptor deficiency, potentially contributing to hair follicle damage and related hair loss conditions.

Lack of small, fine hair on the front hairline is a key sign of frontal fibrosing alopecia.

This article reviews the challenges of treating frontal fibrosing alopecia and the potential role of hair transplantation, noting the lack of effective medical treatments and uncertainty surrounding transplant outcomes.

This review addresses the challenges in treating frontal fibrosing alopecia, highlighting the limited effectiveness of medical treatments and the demand for hair transplantation despite its risks, but it reports no new clinical results.

Hair diameter diversity is a key sign for diagnosing and managing male pattern baldness.

This study observed that testosterone inhibits hair follicle epithelial cell proliferation in adult stumptailed macaques only when dermal papilla cells from bald scalps are present, with antiandrogen RU 58841 reversing this effect.

This study suggests that male androgenetic alopecia and female pattern hair loss follow distinct progression pathways, characterized by different trichoscopic patterns related to hair diameter and follicular unit changes.

This report describes a 57-year-old woman with fibrosing alopecia in a pattern distribution, who experienced hair regrowth with combined treatment including hydroxychloroquine and other topical and oral therapies.

In this study, researchers identified a unique variant of alopecia areata characterized by an increase in telogen hair follicles and minimal inflammation present in the microenvironment.

This review covers female pattern hair loss, outlining its progression, existing treatments like topical minoxidil and laser therapy, and notes that anti-androgen therapies need further investigation.

This study observed that frontal fibrosing alopecia in postmenopausal women involves selective follicular inflammation, and finasteride treatment may slow disease progression, suggesting a potential androgen-related component.

This study identified that trichoscopy can effectively diagnose frontal fibrosing alopecia by highlighting specific scalp abnormalities in postmenopausal women.

This study suggests that trichoscopic features, such as perifollicular erythema and cicatricial white patches, are independently associated with pruritus and the severity of frontal fibrosing alopecia.

The conclusion is that small hair follicles cause baldness in macaques, and treatments like antiandrogens and minoxidil can prevent hair loss and promote regrowth.

This review highlights that frontal fibrosing alopecia’s increasing incidence may involve immune, genetic, hormonal, and environmental factors, yet its pathogenesis remains complex and not fully understood.

This study describes a 4-year-old boy who exhibits a rare, synchronized pattern of hair growth and shedding, unlike the typical asynchronous pattern seen in humans.

This study discovered that adipose tissue infiltration at the isthmus level appears significantly more often in frontal fibrosing alopecia cases compared to controls, suggesting a potential role in the condition's pathology.

This review explores the potential role of caveolin-1 in cicatricial alopecia, particularly frontal fibrosing alopecia, and discusses possibilities for targeted therapies without providing new research results.