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In this study, mice exposed to prolonged space conditions demonstrated skin atrophy, altered hair follicle cycles, and significant changes in the gene expression associated with skin muscle health.

This article discusses advancements in hair restoration techniques over 25 years, emphasizing a shift towards natural, undetectable results with the use of small grafts and reevaluated design philosophies, but reports no new clinical results.

This study identified CD201+ fibroblast progenitors in mouse skin that regulate wound healing through differentiation into specialized cell types, with retinoic acid and hypoxia influencing this process.

This summary discusses the role of endocrinology and nutrition in skin health, highlighting the importance of a balanced approach to UV exposure, nutrition, and potential benefits of probiotics without reporting new research findings.

This study observed that keratose, derived from human hair, integrated well in mouse tissue and remodeled with collagen, suggesting potential as a non-toxic biomaterial for regenerative applications.

This study found that intradermal administration of adipose-derived stem cell–conditioned medium significantly increased hair density and dermal thickness, suggesting potential regenerative effects on both hair follicles and the interfollicular scalp in patients with alopecia.

This study found that adiponectin significantly enhanced lipid production in human sebaceous glands and may be a potential target for treating conditions with reduced sebum production.

Pollution exposure speeds up hair damage.

This article reviews sebaceous immunobiology and highlights the complex role of sebaceous glands and sebocytes in skin barrier function and inflammation, particularly in acne pathogenesis, but reports no new results.

This study found that CD26+ fibroblasts are crucial for effective extracellular matrix production and achieving rapid epidermal and dermal homeostasis in human tissue-engineered skin substitutes transplanted onto rodents.

This article reviews the complex structure and molecular composition of hair keratins, highlighting their self-assembly process and implications for keratin extraction techniques, but reports no new experimental results.

This review discusses the evidence for a cause-and-effect relationship between scalp condition and hair condition, and reports no new clinical results from trials.

This study found that sebaceous glands in the skin are primarily renewed by their own stem cells during normal conditions, but after injury, they regenerate through stem cells from hair follicles, highlighting stem cell plasticity and regeneration capabilities.

This study highlights that improving medical professionals' knowledge of hair cosmetics can enhance patient adherence to alopecia treatments and reduce health risks from incorrect use of hair products.

This chapter provides an overview of the complex chemical and physical structure of the hair surface, detailing how factors like ethnicity, environmental stress, and cosmetic treatments can alter its properties and influence the adhesion of hair care products.

This review summarizes the characteristics of the peri-malignant melanoma stroma, indicating its potential role in early dermal metastatic migration and increased metastasis risk.

This review covers recent findings on stem cell plasticity under normal and cancerous conditions but presents no new experimental results, highlighting implications for regenerative medicine and cancer treatments.

This review highlights the potential of extracellular vesicle-based therapies for treating various diseases, but it also notes challenges like the lack of regulatory guidelines that hinder their clinical development.

This review examines the diverse roles of SRD5α enzymes across species, focusing on their involvement in steroid synthesis, sexual development, and various physiological processes, but reports no new clinical results.

This study established a normative free androgen index range of 0.7-6.4 and identified a cut-off value of 6.1 for reproductive-age women in southern China, highlighting hyperandrogenic women's increased metabolic disorder risks.

This review discusses current and emerging therapeutic strategies for androgenetic alopecia, noting limited evidence but suggesting areas such as prostaglandin analogs, PRP, and progenitor cell therapies as promising future directions.

This review discusses the role of oestrogens in stimulating linear bone growth and pubertal changes in both boys and girls, highlighting their influence on the growth hormone-insulin-like growth factor axis; it reports no new clinical results.

In this study, children with classical congenital adrenal hyperplasia were found to have increased epicardial fat thickness, which was associated with subclinical atherosclerosis markers and left ventricular dysfunction, especially in poorly controlled cases.

This review discusses the applications and advantages of LED-based photobiomodulation therapy for dermatological and cosmetic purposes but highlights existing challenges and health concerns while exploring future perspectives.

This review discusses the role of androgens in women's sexual health and highlights the need for further research on androgen replacement therapy to optimize quality of life, but reports no new clinical results.

DNA can predict physical traits like eye and hair color accurately, especially in Europeans, but predicting other traits and in diverse populations needs more research.

In this study, Arab hair was found to have a higher thickness and lower density compared to other ethnicities, suggesting these factors should be considered in diagnosing and treating hair issues in Arabs.

This review discusses the potential of using human hair proteomics for non-invasive diagnostic and forensic applications but reports no new results; the authors highlight areas needing further research.

In this cross-sectional study of healthy urban women in Shanghai, poor sleep quality and elevated perceived stress were linked to various self-reported dermatological issues and clinical signs, reinforcing the potential relevance of psychological factors in skin health.

This review explores the potential of herbal therapies and modern delivery methods for managing premature hair greying, highlighting promising plant-based treatments and emphasizing the need for clinical trials to validate their effectiveness.