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This review explores the hormonal regulation of hair growth and changes with season, age, and sexual development, and calls for improved treatments for hair disorders.

Finasteride effectively blocks rat enzymes, but with varying methods and strength.

This review discusses the pharmacological properties and clinical applications of cyproterone acetate and similar antiandrogens, noting previous failures in local applications due to concentration limitations; it reports no new empirical results.

Diazoxide, minoxidil sulphate, and cromakalim relax rat blood vessels by opening K+ channels, with some differences in their actions.

This study found that using a low-level laser comb led to hair regrowth in a mouse model of alopecia areata, while sham-treated mice showed no hair regrowth.

This review discusses the impact of menopause-related oestrogen deficiency on skin ageing and suggests that oestrogen use may improve collagen and skin elasticity, but it reports no clinical trial results.

This article discusses the complexities of diagnosing and managing polycystic ovary syndrome in adolescents and highlights the lack of established diagnostic criteria and unclear clinical implications, without presenting new clinical findings.

In this study, Ganoderma lucidum extract was found to significantly inhibit 5alpha-reductase activity and testosterone-induced prostate growth in rats, suggesting potential use for treating benign prostatic hyperplasia.

This review discusses genetic and nutritional causes of hair loss, highlighting that around 90% of treated men show noticeable hair regrowth with a dual inhibitor, while women's hair loss may improve by correcting iron and l-lysine deficiencies.

In castrated rats, this study found that triterpenoids from Ganoderma lucidum inhibited both types of 5α-reductase and reduced prostate growth linked to testosterone but not dihydrotestosterone.

This study reported new crystallographic structures and polymorphs of finasteride, including several solvates with distinct X-ray diffraction patterns and thermally characterized properties.

This study found that a gain-of-function mutation in the TRPV3 channel leads to altered hair development in DS-Nh mice by affecting the anagen and telogen phases, highlighting TRPV3's role in hair growth regulation.

This study found that a 70% methanol extract from red ginseng stimulated hair growth in mouse vibrissal follicles, suggesting its bioactive components, particularly certain ginsenosides, may promote hair growth.

This study found that 12 months of minoxidil treatment increased hair density and thickness in women with androgenetic alopecia, while alfatradiol primarily stabilized hair loss.

This study found low- to very low-quality evidence suggesting that several pharmacological treatments, including alpha blockers and antibiotics, may reduce prostatitis symptoms without significantly increasing adverse events in the short term, although more rigorous trials are needed.

This study found that IGF-1 injections increased hair follicle number and growth phase duration in wild-type mice, suggesting potential for baldness treatment.

This review discusses various techniques for evaluating hair shedding and alopecia but reports no new clinical results. The authors emphasize the value of specific clinical and instrumental methods in assessing hair growth.

This study found that the aqueous ethanol extract of Myricae Cortex demonstrated in vitro testosterone 5alpha-reductase inhibitory activity and in vivo anti-androgenic effects in mouse and hamster models.

This study found that C. obtusa oils promoted hair growth in shaved mice and increased the expression of a hair growth regulator, VEGF, in a cell line.

This study found that the topically applied non-steroidal antiandrogen RU 58841 may reduce androgen-dependent skin conditions in a hamster model with minimal systemic effects.

This review explores genetic and lifestyle factors influencing hair diversity and reports no new findings, calling attention to the potential for future discoveries in genetic and epigenetic research.

In this study, higher expression levels of aromatase and steroidogenic acute regulatory protein were correlated with increased estrogen synthesis and fewer hair follicles in human skin, suggesting a link to elastic fiber formation and hair growth.

This study found that α3β1-integrin is crucial for maintaining normal hair follicle morphology in mice, as its deficiency leads to severe abnormalities despite not affecting interfollicular epidermal differentiation.

This study found that using 3D dermal papilla spheroid models enhances extracellular matrix production and hair follicle marker expression, providing insights into hair follicle biology and potential for drug screening.

In a rat model of chemotherapy-induced alopecia, this study found that low-level laser treatment significantly accelerated hair regrowth without affecting the efficacy of chemotherapy.

This study suggests that minoxidil may enhance hair growth by stimulating adipose-derived stem cell motility and growth factor secretion, promoting dermal papilla cell proliferation and accelerating anagen induction.

This article reviews the psychological, social, and biological impacts of polycystic ovary syndrome on women of reproductive age and reports no new experimental results.

This study found that PNU 157706 is a highly potent inhibitor of human 5α-reductase enzymes, showing a stronger and longer-lasting antiprostatic effect in rats compared to finasteride.

This study found that low-level laser therapy may significantly improve androgenic alopecia in both men and women, either alone or alongside treatments like minoxidil and finasteride.

This review examines around 68 plant sources from six major plant families, assessing their scientific rationale and use by the cosmeceutical industry for applications like anti-ageing and sun protection.