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This excerpt discusses website navigation and access details for JAMA Dermatology and reports no new research findings.

This review discusses the adverse effects on hair associated with targeted cancer therapies and reports no new clinical results; it emphasizes the need for comprehensive documentation of these effects.

In this study, researchers identified significant differences in lipid composition between grey and black hair follicles in women with type 2 diabetes and healthy controls, suggesting these lipids may contribute to the production of grey hair and may offer targets for anti-grey-hair treatments.

This article reviews how environmental factors and aging contribute to skin and hair changes, including wrinkling, dryness, pigmentation changes, and hair thinning, but reports no new research findings.

This review discusses the complex relationship between psychotropic medications and the skin, focusing on cutaneous side effects, dermatologic uses, and psychiatric disorders with skin manifestations, but reports no new findings.

This review discusses the effectiveness of non-thermal, non-ablative devices like light-emitting diodes in treating various skin and hair conditions but reports no new clinical findings.

In this study, severe diffuse hair loss in patients with systemic lupus erythematosus was associated with distinct clinical, dermoscopic, and histopathological features, which improved alongside treatment of the underlying condition.

Norfolk Terriers have a genetic skin defect causing scaling and blisters due to a keratin issue.

This report documents two cases of eruptive nevi occurring in the skin folds of children with Langerhans cell histiocytosis.

This article reports on a patient case of Cronkhite-Canada syndrome, detailing symptoms and diagnostic findings, and reviews the syndrome's characteristics without presenting new clinical data.

This study found that a laboratory model using nude mice can produce human hair follicles with amino acid compositions resembling both normal and trichothiodystrophy-affected human scalp hair over extended periods.

This review explores the complex biological process of hair graying, highlighting oxidative stress, genetic factors, and interventions like antioxidants and genetic therapy as key aspects affecting the preservation of hair pigmentation.

This case report highlights a rare side effect of prostaglandin analogues, detailing prostaglandin-associated periorbitopathy in three glaucoma patients treated with bimatoprost and travoprost.

This article discusses the presence of iron in segmented heterochromia of scalp hair and concludes that it occurs without iron-deficiency anemia, reporting no new clinical results.

This study observed that white dots, focal atrichia, and honeycomb pigmentation on the scalp were significantly associated with the severity of androgenetic alopecia in men under forty.

This letter discusses the various risk factors associated with premature greying of hair, highlighting genetic predispositions, nutritional deficiencies, stress, and lifestyle factors, while noting a lack of conclusive data on effective interventions, as detailed in the reviewed studies.

This review reports the first known case of hair repigmentation associated with lamivudine use and examines mechanisms related to drug-induced hair repigmentation, suggesting potential therapeutic strategies for reversing hair graying.

This study observed a significant decrease in visits for acne, hair loss, and other non-severe skin conditions during COVID-19 lockdown, while conditions like urticaria and herpes zoster increased significantly.

This case report describes a 56-year-old male with chronic watery diarrhea, hyperpigmentation, and alopecia, in whom colonoscopy revealed multiple polypoidal lesions from the distal transverse colon to the rectum.

This report describes a case in which intramuscular cyanocobalamin treatment reversed skin and nail pigmentation changes and premature gray hair caused by vitamin B12 deficiency due to pernicious anemia.

This review discusses the range and management of adverse cutaneous reactions to psychotropic medications and emphasizes the need for awareness among clinicians, concluding with a call for careful monitoring and patient education.

This study found that certain trichoscopic features like white peripilar sign, yellow dots, and scalp pigmentation are positively correlated with the severity of androgenetic alopecia in Chinese patients.

This study found that 76.19% of patients with acquired hypoparathyroidism had mucocutaneous manifestations, with common features including loss of hair and xerotic skin.

This study observed that 5α‐dihydrotestosterone increased pigmentation in certain skin areas of male Syrian hamsters, while estradiol decreased melanocyte numbers and counteracted the androgen-induced pigmentation effects.

This study found that ATM protein plays a crucial role in protecting human hair follicle melanocytes from oxidative stress, which is linked to the greying of hair.

This study found that trichoscopy revealed significant differences in certain variables, such as the brown peripilar sign and white peripilar sign, which may aid in diagnosing early and late stages of androgenetic alopecia.

This study found that despite a high incidence of side effects, patients generally tolerated spironolactone while benefiting from its treatment effects for acne and hirsutism.

In this study, the authors found that a botanical extract with anti-inflammatory and anti-oxidative properties stabilized hair loss and preserved natural hair pigmentation and strength over six months.

Some cells may slow melanoma growth, a protein could affect skin pigmentation, a gene-silencing method might treat hair defects, skin bacteria changes likely result from eczema, and a defensin protein could help treat multiple sclerosis.

This study reviewed various dermatological conditions associated with oral contraceptive use, highlighting increased pigmentation, decreased sebum production, and changes in hair growth, among other effects.