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This review updates the protective effects and molecular mechanisms of melatonin against ultraviolet-induced damage in human skin, reporting no new clinical findings.

The project aims to validate a nutritional intervention targeting the Redox–NO–Androgen Axis to restore mitochondrial, endothelial, and hormonal balance in male health disorders related to oxidative stress.

This study found that hair products used by Black women and children in the U.S. contain multiple chemicals associated with endocrine disruption and asthma, highlighting potential exposure disparities and a need for improved labeling.

This review discusses the molecular role of the vitamin D receptor in regulating various biological actions such as bone mineralization and reports no new clinical results, highlighting the complexity of vitamin D's function in multiple tissues.

This study found that in female androgenetic alopecia, androgen receptors are highly positive in affected areas, supporting their role as regulators of genetically predisposed hair follicles despite normal serum hormone levels.

This study concluded that mixtures of weak endocrine disruptors, such as parabens and azole fungicides, can produce combination effects that should be considered in regulatory risk assessments to avoid underestimating potential risks.

This study highlights that chemicals used in brow lamination, like ammonium thioglycolate and thioglycolic acid, may cause skin irritation and other systemic issues, suggesting a need for further investigation and regulatory measures.

This narrative review highlights the distinct needs of pediatric hair care, emphasizing gentler formulations due to differences in children's hair physiology, structure, and barrier function, and calls for targeted regulations and research due to limited safety evidence.

This review discusses prolactin production and regulation in human skin and hair follicles, highlighting its potential broader implications but reports no new empirical results.

This review discusses the hormonal impact on hair growth and the relationship between endocrine disorders and hair changes, reporting no new clinical results.

This review highlights that the epidermis acts as an endocrine organ, synthesizing and responding to hormones such as corticosteroids and Vitamin D, impacting processes like hair growth and immune response, and participating in regulating endocrine balance.

In this study, researchers observed that treatment with Agaricus subrufescens ethanolic extract improved blood glucose, testosterone levels, and menstrual irregularity in rat models of letrozole-induced Polycystic Ovarian Syndrome, also noting a decrease in elevated liver and ovary weights, suggesting protective effects on renal function.

This review discusses the role of activin signaling in hair follicle formation, hair growth cycling, and skin healing, but presents no new clinical findings.

This review highlights current evidence showing that hormonal changes significantly influence skin aging, with estrogen decline during menopause having a major impact on women's skin health, while testosterone decreases contribute to aging in men.

This study examines the genetic underpinnings of chronic dermatological conditions like acne, androgenetic alopecia, and alopecia areata, concluding that a deep understanding of these mechanisms can advance patient-specific treatments and inform cosmetic practices related to skin and hair health.

This study reviewed recent advances in regenerative technologies for aesthetic and reconstructive medicine and found that adipose-derived stem cells and platelet-rich plasma are well-established for tissue repair due to their safety and effectiveness, while emerging technologies like exosome-based therapies hold future potential.

This review discusses how urban air pollutants may influence the regulation of JAK3 signaling in alopecia areata and reports no new experimental results; the authors integrate existing data to map potential pathways and biomarkers.

In this study, COC treatment led to greater improvements in sex hormone, endocrine factor, and metabolic levels among PCOS patients compared to those who did not receive the treatment.

This review discusses the role of various hormones in diffuse hair loss and emphasizes the need for further research to clarify their complex interactions and potential therapeutic implications, but reports no new clinical results.

This review discusses the multifaceted role of vitamin D in the body, noting its influence on calcium balance, hair cycle maintenance, cell proliferation, cardiovascular function, and immune modulation, with no new clinical results reported.

This research highlights that engineered mice lacking the vitamin D receptor show multiple health issues similar to human vitamin D deficiency, underscoring the widespread impacts of the vitamin D endocrine system.

This review explores the evaluation and treatment of hirsutism, emphasizing a systematic approach to uncovering its causes and recommending combination therapies for effective management, but presents no new results.

In a controlled study, researchers observed that lambs exposed to colder temperatures had increased wool growth, thicker skin, altered physiological traits, and activated specific molecular pathways, highlighting potential targets for enhancing cold tolerance, welfare, and productivity in sheep breeds.

This study found that knocking down P-cadherin expression in cultured human hair follicles recreates the hair abnormalities seen in patients with hypotrichosis with juvenile macular dystrophy.

This review found that synthetic cosmetics pose risks to human health, potentially causing various diseases, and negatively impact ecosystems, air quality, and oceans from production to waste disposal, highlighting the broad environmental and health consequences of cosmetic use.

In this retrospective review, the author discusses key discoveries in understanding androgen excess disorders like PCOS, focusing on genetic and molecular insights gained from 1965 to 2015.

This chapter discusses common endocrine disorders affecting the pituitary, thyroid, and adrenal glands, and their impact on human fertility, emphasizing practical evaluation and treatment algorithms.

This review discusses post-finasteride syndrome, emphasizing its serious psychological and cognitive symptoms and the need for more research and awareness in the medical community, but provides no new clinical findings.

This review discusses the impaired functionality of regulatory T cells in the pancreas during the development of Type 1 diabetes, highlighting their role in disease pathogenesis, potential of Treg-based therapies, and challenges in clinical applications.

This study found that lncRNA-000133 may play a role in secondary hair follicle reconstruction and cashmere fiber growth in goats, potentially through its interaction with the methylation of its regulatory region and dermal papilla cells.