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Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.

In this randomized controlled trial, occipital donor sites for split-thickness skin grafts showed superior re-epithelialization, reduced pain, fewer complications, and better cosmetic outcomes compared to femoral donor sites.

This study found that hirsutism is more prevalent in Chinese women with PCOS compared to the general population, and the Ferriman-Gallwey score is a good predictor for diagnosing PCOS in this group.

This study found that evaluating terminal hair growth on the chin, thighs, and either the upper lip or lower abdomen could streamline the modified Ferriman-Gallwey scoring, aiding hirsutism diagnosis under pandemic conditions.

This study found that matriptase, a membrane serine protease, is crucial for maintaining multiple types of epithelial tissues in mice, with its absence leading to severe organ dysfunction and increased permeability.

This review covers the history, incidence, and treatment options for pseudofolliculitis barbae and presents new data, but reports no new clinical results.

This review discusses the causes and diagnosis of traction alopecia, emphasizing education for high-risk populations as there is currently no cure, and presents no new clinical findings.

This study found that testosterone and 5α-dihydrotestosterone induced apoptosis in dermal papilla cells from nonbalding scalp regions, suggesting a high androgen stimulus can trigger cell death related to androgenetic alopecia.

This study found that fractional bipolar RF energy significantly reduced acne scar severity and improved skin texture, with high subject satisfaction and limited side effects.

This study suggests that the interaction between folliculin and plakophilin-4 (p0071) may play a role in folliculin's tumor suppressor function by regulating RhoA signaling, impacting cell migration and junction formation.

This review discusses traction alopecia in individuals with Afro-textured hair and emphasizes the importance of education to prevent this condition, but it reports no new clinical results.

In this study, loss of epidermal Par3 in mice disrupted the skin barrier and affected cell differentiation and stem cell maintenance, highlighting its role in epidermal homeostasis.

This study describes the epidemiologic, clinical, and etiologic characteristics of alopecia among patients at a dermatology service, identifying tinea and alopecia areata as the most common causes.

This article describes the structure and components of hair cuticle cells and their intercellular junctions but reports no new clinical results.

This study found that exposure to 12-O-tetradecanoyl-phorbol-13-acetate in mouse skin caused changes in claudin expression and localization, indicating disruption and eventual recovery of the epidermal barrier.

This review discusses the characteristics and interactions of the scalp barrier, dandruff, and scalp sensitivity but reports no new clinical results.

In laboratory settings, this study suggests that Serenoa repens and N-acetyl glucosamine with milk proteins may promote hair follicle vascularization through specific cellular interactions and actions.

This article reviews factors influencing hidradenitis suppurativa, its clinical diagnosis, and the diverse management approaches but presents no new clinical findings.

This review discusses the formation and structure of the cornified cell envelope in the epidermis, highlighting biochemical pathways and genetic factors, but presents no new experimental results.

This study observed that most patients with traction alopecia showed improved or stabilized hair loss with therapeutic counseling and adjunctive treatments, but follow-up was often inconsistent, highlighting the need for better awareness and management.

This study identified genes potentially involved in the development and differentiation of skin appendages in Atelerix albiventris, noting significant enrichment of immune-related genes in hair-type tissues.

This paper highlights that traction alopecia is common among certain ethnic groups and occupations due to tight hairstyling practices, but early-stage hair loss can often be reversed with treatment and by avoiding these styling habits, as observed in Hispanic and Black women.

Tight hairstyles can cause hair loss, which can be permanent if not treated early.

This study found that paracellular transport significantly contributes to the intestinal permeability of minoxidil, suggesting its limited suitability as a Biopharmaceutics Classification System reference drug due to potential variability.

This case series reported that telogen effluvium may reveal underlying traction alopecia, emphasizing the importance of recognizing this to ensure accurate diagnosis and treatment.

This study identified CCCA in 10 children of African descent, highlighting the occurrence of this scarring alopecia in patients under 18 and the importance of early diagnosis for better outcomes.

This review highlights increased cases of alopecia frontal fibrosante among Black women, emphasizing the need for ethnically diverse research and culturally sensitive management practices, but reports no new clinical findings.

This study suggests that while alopecia areata presents similarly across different skin tones, hair loss may be underestimated in individuals with more tightly coiled hair without a comprehensive examination, highlighting the need for culturally sensitive evaluation approaches, particularly for Black women.

This study explored the potential of the lysate and lipoteichoic acid from Lactiplantibacillus plantarum APsulloc 331261 to improve scalp seborrheic dermatitis by modulating inflammatory and lipogenesis pathways in vitro, suggesting potential as a natural treatment option.

This review suggests that tight hairstyles and prolonged periods of wearing hijabs can lead to traction alopecia, with specific management strategies needed for hijab-wearing individuals.