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Understanding skin, hair, and nails is crucial due to their complexity and impact on health.

This study suggests that age-related changes in skin elasticity reduce its stability against wrinkling, and anti-aging strategies should focus on addressing elastic mismatches between skin layers.

In this study, researchers reported that oral isotretinoin effectively treated facial papules in frontal fibrosing alopecia, with histopathologic findings suggesting the involvement of elastic fibers and sebaceous glands in papule formation beyond perifollicular inflammation.

This study found that applying a topical inhibitor of TGF-β1 may enhance scar maturation and improve the appearance of hypertrophic scars in a nude mouse model after two weeks.

This article discusses the importance of understanding the skin's structure and function for comprehending both healthy skin biology and skin disease pathophysiology, but reports no new findings.

The skin is essential for protection, temperature control, and immune defense.

This study found that both intralesional PRP and topical tretinoin were effective and safe for treating striae distensae, with PRP being more effective and yielding higher patient satisfaction.

This ex vivo study reported that melatonin significantly improved certain aging biomarkers in aged human skin, including reduced mTORC1 activity, increased fibrillin-1, and enhanced collagen and elastic fiber organization, though other key biomarkers remained unchanged.

This study found that combining Aliaxin® Global Performance with Viscoderm® Skinkò E improved hydration and appearance of nasolabial folds more effectively than using Aliaxin® Global Performance alone.

This article describes a case of late-onset focal dermal elastosis in a 73-year-old woman, characterized by flat pale yellow lesions and increased normal elastic fibers, distinct from pseudoxanthoma elasticum.

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 suggests that antihistamines show promise as adjunct treatments for alopecia areata, but the role of dupilumab needs further investigation due to mixed results regarding hair regrowth and adverse effects.

This review discusses in vitro methods for evaluating the effects of hair care products on hair fibers, reporting no new results; the authors emphasize the importance of selecting appropriate and accurate equipment for testing.

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 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.

This study investigated the effects of wool-derived hydrolysed keratin peptides on relaxed textured hair and found that mid- and high-molecular weight peptides improved mechanical strength and reduced breakage in different humidity conditions.

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 characterized hair from a patient with a ribosomopathy and identified distinct differences, including reduced hair thickness and lipid content, compared to family members.

Estrogen deficiency, like after menopause or certain surgeries, leads to faster skin aging and health issues.

In this study, children's hair showed statistically higher elasticity than elderly hair, but no significant differences were observed in tensile strength between dietary or oil application groups, or between pigmented and nonpigmented hair.

This study suggests that using antihistamines alongside a regimen of topical corticosteroid and superficial cryotherapy may enhance hair regrowth in patients with mild to moderate alopecia areata.

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 study observed significant differences in hair and cashmere properties among three goat breeds in Southwest China, noting better quality cashmere in Inner Mongolia cashmere goats and their crossbreed compared to Dazu black goats.

This study proposed a network model for the cross-linked structure of keratin-associated proteins in hair and wool fibers, suggesting notable differences between the two, potentially affecting hair fiber elasticity.