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This review explores how androgens and growth hormone influence the development of terminal hairs and sebaceous glands, attributing variability in hirsutism and acne to differing genetic sensitivities to androgens, but reports no new experimental data.

This study observed that among individuals with scalp seborrhoea, the scalp showed higher sebum levels, lower hydration, and compromised barrier function compared to other areas, and that a single shampoo application containing piroctone olamine significantly reduced sebum and oxidative stress markers.

This study observed that in Japanese females, hair lipid composition showed significant correlations, suggesting CH and CERs may act as a barrier against sebum-derived lipids.

This study found that seborrheic keratosis lesions contain high levels of hair sheath keratin, suggesting they may originate from the upper hair follicle.

This study found significant differences in the spread of sebum on hair among Chinese men with greasy and non-greasy scalps, despite similar sebum amounts at the root region post-shampoo.

This research article discusses unsaturated compounds causing temporary hair loss in lab animals and reports no new results; previous studies indicated similar effects in humans.

This review explores the role of hormones in pilosebaceous units and associated skin disorders, focusing on androgen action, without presenting new clinical findings.

This study found that different types of seborrheic keratosis demonstrate diverse differentiation patterns, highlighting its undifferentiated and hyperproliferative state with varying keratinization directions.

In this study, researchers identified the antimicrobial peptide dermcidin in sebocyte lipid droplets, challenging the previous understanding of dermcidin as exclusively sweat-specific.

This review summarizes recent multidisciplinary advances in sebaceous gland research and highlights potential novel therapeutic strategies for skin diseases, but it reports no new clinical results.

This study found that the distribution of carbohydrates and proteins in porcine hair follicles and sebaceous glands showed minor differences compared to humans.

This study found that diffusion coefficients of chemicals in artificial sebum are significantly higher than those in stratum corneum lipids, suggesting the hair follicle may significantly contribute to transdermal permeation.

This chapter offers detailed histopathologic insights into various pilosebaceous unit diseases, discussing diagnosis without reporting new results.

The authors concluded that steatocystoma multiplex is a rare dermatological condition with poor treatment outcomes, emphasizing the importance of early recognition and psychological support for affected individuals.

This study found that sebocytes in human skin express and secrete certain adipokines, suggesting they might play active roles in skin inflammation rather than just being targets.

This study found that in Japanese, German, and American females, changes in hair lipid patterns with age may reflect alterations in sebum excretion and affect hair texture.

This study found that asebic mice exhibit abnormal sebaceous gland differentiation and insufficient sebum production due to defective regulation of cell processes, despite possessing normally developing sebaceous glands initially.

This review discusses various pathologies involving sebaceous glands, primarily and secondarily, but reports no new clinical findings.

This study revealed that deficiency in the enzyme FA2H in mice affected sebaceous gland function, altered sebum composition, and caused cycling alopecia, highlighting FA2H's role in hair follicle homeostasis.

This case report describes a rare instance of sebaceous trichofolliculoma identified in an 18-year-old boy, characterized by a dermal nodule on the nasal bridge with distinct histological features.

This study found that the cytokeratin patterns in skin epithelia can distinguish between different types, with basal-cell epitheliomas showing a striking similarity to the pilosebaceous tract.

This article describes pilar cysts, common dermal cysts often seen in young women, which typically require surgical removal.

In this study, the researchers found that constitutive activation of the EGFR in mice led to increased sebum production, enlarged sebaceous glands, and altered gene expression related to sebocyte proliferation and lipogenesis.

This case study reports a peculiar variant of an epidermal cyst in a patient, featuring unique characteristics like brownish, lumpy contents resembling bone marrow.

Merkel cells are abundant in facial vellus hair follicles, especially during the anagen phase.

This guide reviews the biology of sebaceous glands and their evaluation methods, emphasizing their roles beyond lipid production in skin health and disease, and reports no new research results.

This study reviews the structural and functional aspects of cell-cell and cell-matrix junctions in sebocytes, emphasizing their roles in sebocyte differentiation and sebum secretion, and how these processes may change in pathological conditions, potentially providing insights for new skin disease therapies.

This article describes the structure of ovine interdigital sinuses using scanning electron microscopy, highlighting features such as dense secretory material, hair presence, and classical apocrine secretion characteristics.

This case report establishes the diagnosis of seborrheic keratosis in an elderly Indian woman based on histopathological examination, highlighting its potential to mimic malignant tumors and emphasizing the importance of differential diagnosis.