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This review discusses the use of caffeine in cosmetics for its fat-reducing, antioxidant, and hair growth properties, but reports no new research findings.

This study found that finasteride significantly suppresses serum dihydrotestosterone levels at all tested doses in normal male volunteers without significant adverse effects.

This review explores finasteride's effects on neuroactive steroid levels and their potential influence on disorders like depression and alcohol withdrawal but reports no new clinical findings.

This abstract discusses the unclear role of dihydrotestosterone (DHT) in postembryonic life in marsupials and possibly humans, reporting no new findings.

In this study, older men using 5α-reductase inhibitors for prostatic enlargement did not show increased risk of suicide, but had elevated risks of self-harm and depression.

This study found that ectopic expression of Whn in transgenic mice caused impaired differentiation in epidermis and hair follicles, with hair growth defects and severe urinary tract issues leading to hydronephrosis.

This review discusses the dermatologic manifestations of hyperandrogenism in women and outlines the diagnostic approach and treatment options, reporting no new clinical results.

This study suggests that finasteride may reduce the aggressiveness and invasion of prostate tumors, with effects potentially differing based on the androgen responsiveness of the patient's prostate cells.

This study concluded that 5α-reductase inhibitors were linked to increased sexual dysfunction in men with benign prostatic hyperplasia, but not in men with androgenetic alopecia.

This review discusses the steroidogenic properties of human skin and suggests that impaired steroidogenesis may be linked to conditions like acne, rosacea, atopic dermatitis, and androgenic alopecia, but reports no new clinical results.

This review discusses idiopathic hirsutism, potential underlying mechanisms, and various therapeutic approaches without providing new clinical results, and emphasizes the need for further research on well-defined patient groups.

This review summarizes causes and treatments of androgenetic alopecia with a focus on herbs as potential alternatives, but reports no new results and suggests more research is needed to validate these options.

This review examines various androgen deprivation therapy methods for advanced prostate cancer, highlighting benefits and potential cardiovascular and sexual adverse effects, but reports no new clinical results.

This review examines the pharmacological properties and potential clinical benefits of 5α‐reductase inhibition in prostate cancer but reports no new research findings.

This study found that the CD44(+) ALDH(+) population of neonatal human keratinocytes exhibited enhanced stem cell properties, including significantly increased long-term epidermal regeneration and multipotency, compared to unfractionated cells.

This article reviews the potential neuroprotective effects of 17α‐estradiol in neurodegenerative diseases and highlights its possibly lower toxicity compared to more feminizing hormones, but it reports no new clinical findings.

This review analyzes the potential mechanisms by which SARS-CoV-2 may exacerbate symptoms of benign prostatic hyperplasia and suggests a connection via ACE2 and androgen receptor pathways; it reports no new clinical results.

This review discusses the physiology and potential hormonal mechanisms involved in female pattern hair loss, as well as the current hormonal and hormone-modifying treatments available, but reports no new research findings.

This study found that Sargassum muticum extract and apo-9′-fucoxanthinone promoted hair growth in rat and mouse models by increasing dermal papilla cell proliferation and activating certain signaling pathways.

This review suggests that while finasteride for male pattern hair loss was previously considered safe, there is now evidence associating 5-α reductase inhibitors with significant sexual and reproductive side effects.

This study found that in men with sexual dysfunction, use of 5ARI may reduce sexual drive and spontaneous erections without worsening pre-existing erectile or ejaculatory issues.

This study found that testosterone enhances insulin secretion in human pancreatic islets by being converted into DHT and E2, processes that are necessary for this effect.

Researchers observed that dutasteride and finasteride caused structural changes in the penises of both control and hypertensive rats, with dutasteride having a more pronounced effect on the corpus cavernosum.

This paper proposes a theory explaining how the normal anabolic effects of androgens lead to structural changes and hair follicle miniaturization, contributing to androgenic alopecia.

This article reviews idiopathic hirsutism, focusing on its definition, diagnosis, causes, and treatment options, without presenting new clinical findings.

This article reviews the potential of combining antiandrogenic and antiestrogenic treatments for BPH, highlighting aromatase inhibitors, but presents no new clinical results; further research is needed.

This study found that megestrol acetate increases the proliferation, migration, and adipogenic differentiation of adipose-derived stem cells through glucocorticoid receptor phosphorylation.

This review discusses the potential of plant-derived phytochemicals as alternatives to 5-alpha-Reductase inhibitors in treating prostate cancer, highlighting possible benefits like reduced side effects, but it reports no new findings.

This study suggests that the use of 5α-reductase inhibitors in men may be associated with macular abnormalities, characterized by cystoid changes and foveal cavitation, potentially progressing to more severe defects.

This study found that honokiol inhibits enzymes related to testosterone degradation in vitro, suggesting its potential as a lead compound for developing antiaging bioactive ingredients for men.