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This review discusses the use of derma rollers for cosmetic purposes and their potential in transdermal drug delivery by summarizing evidence on their design, efficacy, safety, and concerns from preclinical and clinical reports.

This study observed that mast cells and increased collagen and elastic fibers in the scalp may contribute to male pattern hair loss, but additional research is needed for further understanding.

This review highlights that transferosomes, or ultradeformable lipids, show promise for improving dermal delivery, exhibiting efficient drug transport across the skin's barrier and offering potential benefits for treating chronic skin disorders with better bioavailability.

This study found that levels of the protein MAGP-1, important for skin elasticity, decrease with aging and photoexposure, potentially contributing to skin fragility, sagging, and enlarged pores.

EF and PXE not closely related.

This study found that skin thickness in Bakerwali goats increased with age, with notable histological differences in these layers across diverse regions of the body.

This study found that elastic liposomes enhanced skin delivery of genistein in haired skin compared to conventional liposomes, but showed decreased effectiveness in hairless skin.

This study found that treatment with mercuric acetate modifies the elastic properties of Lincoln wool fibers more rapidly than human hair, explaining the enhanced unshrinkable quality of wool under certain conditions.

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 review discusses the current knowledge on using special and immunohistochemical stains for diagnosing hair disorders, concluding that no stains are recommended for routine use in hair pathology.

This study found no qualitative skin differences during development between mutant hairless USP mice and BALB/c mice, except for enlarged cysts in the hairless strain.

This study observed that human growth hormone treatment in osteoporosis patients appeared to improve skin thickness and restore dermal structures towards normal without stimulating hair, sebum, or melanin.

In this study, intradermal injection of GCSF-mobilized peripheral blood stem cells from young pigs rejuvenated skin in aged pigs by increasing collagen, elastin, and cell renewal rates.

This study found that melatonin treatment increased epidermal thickness, subcutaneous fat, and dermal-related factors in postmenopausal rats, suggesting benefits for skin structure after menopause.

This study found that tianeptine may suppress the transition to catagen, promoting hair growth in a stress-induced alopecia areata mouse model.

This case report describes the histopathological features of nevus psiloliparus in an 11-year-old girl, noting "shadow" follicular units with loosely arranged collagen and reduced elastic fibers.

This study found that treating hair with 1 M sodium hydroxide increases its self-friction coefficient, suggesting potential applications in forming fine frictional fibers for medical uses.

The researchers concluded that hairless dogs can serve as an effective model for studying hypertrophic scarring due to their development of scars with morphological similarities to human hypertrophic scars.

This review focuses on the roles of amino acids, peptides, and proteins in cosmetics, highlighting their importance in skin health and their potential for development in personal care products due to their unique properties and biocompatibility.

In this study, researchers found that negative pressure fractional microneedle radiofrequency significantly improved periorbital wrinkles, hydration, and dermal thickness in patients with periorbital aging, while also increasing orderly collagen and elastic fibers, with minimal adverse effects reported.

The skin protects the body, regulates temperature, senses touch, and makes vitamin D.

This case report describes a rare pedunculated follicular hamartoma on the nasal septum of a 77-year-old Japanese male, emphasizing its unique clinical and pathological features.

In this study, combining microneedle and sublative fractional radiofrequency treatments significantly improved skin tightening, texture, collagen organization, and satisfaction in individuals with moderate photoaging, while reducing abnormal elastin after three months.

This systematic review found that sole nanofat grafting in plastic and reconstructive surgery shows potential benefits for scar improvement and anti-aging, with increases in skin thickness, collagen, and elastic fibers, but the evidence level remains low and further research is needed.

This study found that females with frontal fibrosing alopecia had more preauricular lines than age-matched controls, indicating a potential new clinical marker for the condition.

This study found that women with AIDS had significantly reduced epithelial thickness and more telogen hair follicles on the scalp compared to women without AIDS.

This study found that variations in mouse skin thickness, influenced by gender and hair growth cycles, significantly affect optical scattering measurements, which are important for developing biomedical optics techniques.

This paper discusses various histologic features to distinguish types of alopecia and reports no new clinical findings.

This review discusses the fundamental hallmarks of aging as they relate to skin aging and highlights the prominent roles of oxidative damage and the extracellular matrix in photoaging, reporting no new results.

This source underscores the importance of understanding skin structure and function to comprehend both healthy skin biology and skin disease pathophysiology, highlighting skin's extensive involvement in healthcare due to infections, drug reactions, and diseases like psoriasis.