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This review discusses the complex interaction between androgens and hair follicle biology, highlighting the need for a better understanding to improve hirsutism treatments, but reports no new results.

This study reported successful and cosmetically acceptable repigmentation of leukoderma in three patients using minigrafts of normally pigmented, autologous skin.

This study suggests that immunostaining for Keratin 15 may be a useful tool for differentiating between basal cell carcinoma and trichoepithelioma.

In this study, β-catenin overexpression in human hair outer root sheath cells increased the expression of Pitx2, which activated the follicular differentiation pathway, suggesting Pitx2's potential role as a modulator in hair growth control.

This study found that a phosphorus starvation-insensitive mutant of Arabidopsis thaliana shows altered root growth and auxin responses under low phosphate conditions compared to wild-type plants, suggesting a role for LPR1 in regulating these traits.

This study found that micro-needling with cosmeceuticals or platelet-rich plasma significantly improved wrinkles, skin laxity, scar softening, and hair growth over 12 months, with minimal side effects, and that the best results occur with pigment and platelet massaging between 5 to 30 minutes post-treatment.

This study found that careful light microscopy using fluid-mounted hair improves detection of the pili annulati phenotype, which varies widely in expression and affects hair fragility.

This study found that mutations in phosphorylation sites on the PIN3 protein disrupt its phosphorylation and subcellular trafficking, affecting auxin transport and root growth in a cell-type-specific manner.

This review highlights the potential of in vivo reprogramming using OSKM transcription factors for developing rejuvenating and regenerative strategies, while noting the associated risk of tumorigenicity and discussing how improved understanding could lead to safer applications.

Method detects finasteride in plasma and semen with high sensitivity and accuracy.

This study found that D'orenone blocks root hair growth by increasing PIN2 protein abundance, leading to reduced auxin concentration, but external auxin can reverse these effects.

This study found that Piper nigrum leaf extract showed in vivo anti-androgenic activity and potent 5α-reductase inhibitory effects, with piperine and (−)-cubebin identified as active components.

This article reviews hair growth patterns in humans and laboratory animals, noting the random distribution of active and inactive hair follicles and differences in regional coordination among animal species, and reports no new results.

This review discusses how the CRH/POMC systems may regulate human hair follicle pigmentation and highlights the concept of "self-similarity" in melanocortin systems at both local and systemic levels, without presenting new experimental results.

This study found that 1% ketoconazole and 1% piroctone olamine shampoos increased hair shaft thickness and reduced hair shedding in men with telogen effluvium and androgenic alopecia associated with dandruff.

This review explores recent findings on the roles of melanocyte and melanocyte stem cells in the hair follicle, highlighting their importance for skin health and potential applications in regenerative medicine, but reports no new clinical results.

This study found that using an antimicrobial lotion for 18 months may reduce inflammation and potentially partially reverse hair loss in men with androgenetic alopecia.

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

This review explores the mechanisms of skin repigmentation and therapeutic strategies for pigmentation disorders following burn injuries, but it presents no new clinical results.

This study found that specific histologic features in skin biopsies can help support a diagnosis of traumatic alopecia (trichotillomania), but not all markers are distinct to the condition.

This article reviews the connection between PI3K-AKT-mTOR pathway mutations and heritable skin diseases characterized by tissue overgrowth, but it reports no new clinical results.

This case report describes a domestic shorthaired cat with pituitary-dependent hyperadrenocorticism treated with trilostane, which improved clinical signs, but the cat later succumbed to renal failure due to a fungal urinary tract infection.

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

This study found that neutral liposomes were most effective at delivering minoxidil into pilosebaceous units compared to other tested formulations.

In this study, pioglitazone treatment in patients with lichen planopilaris showed limited success, with significant improvement seen in only a minority of cases.

This study documents dominant transmission and complete penetrance of uncombable hair syndrome in a family, despite the father lacking visible abnormalities.

This study suggests that chemical methods can reveal subtle differences in scalp hair color variability across populations and emphasizes the need for enhanced understanding of hair fiber curvature.

This review summarizes the anatomy and physiology of the arrector pili muscle and discusses its potential role in hair loss disorders, reporting no new clinical results.

In this study, researchers found that cepharanthine significantly inhibited HSV-1 replication in vitro by interfering with specific signaling pathways, arresting the cell cycle, and inducing apoptosis in infected cells, highlighting its potential as an antiviral agent.

This study found that the PI3K-Akt signaling pathway is essential for regenerating new hair follicles when epidermal stem cells and skin-derived precursors are combined, suggesting potential therapeutic applications for hair regeneration.