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This study found that long-term dutasteride therapy in men with benign prostatic hyperplasia worsened erectile dysfunction, reduced testosterone levels, and increased blood glucose and lipid profile, indicating negative metabolic impacts.

This study found that the small molecule honokiol may protect against inflammation, collagen breakdown, and cell damage caused by cigarette smoke in skin cells cultured in vitro.

This study found that in mice, low-dose irradiation causes stem cells in hair follicles to undergo chromatin alterations, which may eventually lead to long-term functional loss in tissues or organs.

In this study, researchers found that differences between self-ratings and assessor ratings of facial appearance vary by age and ethnicity, and these discrepancies, along with assessor ratings of skin features, are predictive of menopausal status across ethnic groups.

This study concluded that alcohol and tobacco products harm the skin by disrupting microcirculation, impairing the epidermal barrier, slowing wound healing, and accelerating the aging process.

This study demonstrated that exosomes from human hair follicle mesenchymal stem cells can enhance collagen production, promote cell proliferation and migration in human dermal fibroblasts, and reverse signs of UV-induced skin aging in mice, potentially via a miR-125b-5p/TGF-β1/Smad signaling pathway.

Minoxidil rejuvenates hair follicles and reduces aging signs in male pattern baldness.

This review discusses hormonal changes in aging men and suggests the need for more research on androgen supplementation and partial androgen deficiency, without presenting new clinical findings.

This review discusses the effectiveness of various plant extracts, including Vitis vinifera and Aesculus hippocastanum, in treating dermatological conditions like venous insufficiency and actinic keratoses but reports no new clinical results.

p14ARF and p16Ink4a cause hair follicle stem cell aging and dysfunction.

This study found that using mineralocorticoid receptor antagonists with glucocorticoid therapy improved wound healing in diabetic animals by enhancing keratinocyte proliferation and epithelialization.

This review discusses the protective effects of vitamin D on skin aging and its role in hair growth, but reports no new clinical results.

This review considers oxidative stress effects on hair aging and emphasizes the need for dermatologists to recognize and treat factors affecting scalp and hair health, but it provides no new clinical findings.

In this laboratory study, researchers reported that Camellia sinensis seed flavonoids significantly reduced oxidative stress and inflammation in UV-irradiated skin cells by modulating key signaling pathways, highlighting its potential as a skincare ingredient for anti-inflammatory and anti-photoaging benefits.

This review discusses the roles of androgens and estrogens in skin functions and disorders, and highlights the use of estrogen-progestin treatments and anti-androgens in managing hirsutism and acne, without reporting new results.

This review discusses the cutaneous manifestations associated with various substances of abuse, highlighting their importance for clinicians in recognizing and treating substance abuse disorders, and reports no new findings.

This minireview discusses the mechanisms of facial aging, examines current literature, and proposes filler injection protocols, but it reports no new clinical results.

This study reported that plant-produced basic fibroblast growth factor effectively promoted cell proliferation and collagen production in vitro, suggesting potential applications in cosmetics for antiaging and hair growth.

This study found that physoxia improved hair follicle functions in co-cultures of dermal papilla cells and melanocytes by enhancing their biological activities and promoting hair growth and pigmentation.

This review discusses how macro-environmental factors such as intradermal adipose tissue and sex hormones influence hair and feather stem cell niches, suggesting environmental targets for regenerative medicine, but reports no new clinical results.

This review examines the potential and challenges of extracellular vesicles in cosmetics, noting their transformative impact despite regulatory and production hurdles; it reports no new experimental results.

This review discusses the dermatological potential of olive mill wastewater as a sustainable source of high-value cosmeceutical ingredients but reports no new clinical results.

This review discusses the anatomical and histological characteristics of facial fat compartments and reports no new clinical results, emphasizing a need for further research on their role in facial aging.

The document concludes that scalp health is influenced by complex factors affecting sebaceous glands, including hormones, aging, and various substances.

This review discusses the use of natural products in cosmetic preparations for skin and hair care, but reports no new research results.

This article discusses the role of androgens in metabolic and reproductive health and reports no new experimental results; the focus is on androgen receptor activation by testosterone and 5α-dihydrotestosterone.

This study found that overexpression of miR-214 in keratinocytes inhibits hair follicle development and cycling by targeting β-catenin in the Wnt signaling pathway.

This review examines the skin exposome, including solar exposure, air pollution, hormones, nutrition, and psychological factors, but reports no new clinical results.

This review discusses the potential benefits of activating NRF2 for treating hair follicle disorders linked to oxidative stress and reports no new clinical results.

This case report describes an elderly multiple myeloma patient whose hair repigmentation was associated with lenalidomide use, suggesting hair graying may be reversible.