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This review discusses the role of intrinsic skin signals, rather than serum signals, in regulating melanin synthesis and hair pigmentation, but reports no new experimental data.

This study suggests that incorporating exogenous melatonin in the treatment of certain skin disorders, like psoriasis and eczema, can improve treatment efficiency, normalize immune parameters, and reduce disease relapses.

The girl's regrown brown hair had less of certain pigments than her original black hair.

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 found that melanocyte progenitor cells are present in human subcutaneous adipose tissue and may differentiate into mature melanocytes, suggesting potential applications in treating skin diseases and rejuvenation.

A rare skin condition causes red and dark patches on the face and limbs.

This review explores recent findings on the roles of melanocyte and melanocyte stem cells in the hair follicle, highlighting their importance for skin health and potential applications in regenerative medicine, but reports no new clinical results.

The study observed increased melanin and signs of skin aging in melasma-afflicted skin, with strong CK10 expression in the upper basal epidermis, potentially linked to excessive epidermal cell differentiation and aging.

This review examines various skin pigmentation disorders, their causes, and potential treatments, detailing 25 plants, 4 marine species, and 17 clinically tested topical and oral medications for managing these conditions.

This article reviews the process of repigmentation in vitiligo and emphasizes the role of UV light as the most potent stimulus, with no new clinical findings reported.

Imiquimod improved skin pigmentation in most patients with xeroderma pigmentosum and may prevent further skin cancer, but some treatments can have side effects.

In this study, researchers identified a new dominant mutation in Hairless mice, called Pied, resulting from a deletion in the Adam10 gene, which causes freckle-like skin pigmentation by inhibiting melanocyte expansion.

This review discusses the pathogenesis of melasma, including genetic, environmental, and hormonal factors, and highlights potential avenues for new treatments and preventive strategies, but reports no new experimental findings.

This review discusses the role of melanocyte stem cells in skin pigmentation and potential regenerative therapies, but reports no new clinical results.

This review examines the differential aging of melanocytes in hair follicles and skin, and reports no new findings; the authors suggest further research is needed to understand these processes.

This review examines skin conditions found in notable world leaders post-World War II and discusses their potential impacts on political life, reporting no new clinical findings.

In this study, the authors reported a case of alopecia X in a German Spitz dog and found that treatment with orchiectomy and melatonin resulted in partial hair regrowth and improved the dog's dermatological condition.

This study found that patients with myotonic dystrophy types 1 and 2 often exhibit skin abnormalities, which correlate with genotype severity and serum vitamin D levels, and suggest premature aging.

Understanding genes can help diagnose and treat skin color disorders.

This article in Experimental Dermatology does not include an abstract or any new research findings.

This report describes a 20-year-old Chinese man with a rare combination of congenital compound and blue melanocytic nevus associated with alopecia areata.

This review discusses how certain skin disorders, pigmentation issues, and hair problems are more common in black individuals than white individuals and does not report new clinical results.

This study concluded that ordinary vitiligo may initially present as follicular leukoderma, with small white macules coalescing into larger patches as the disease progresses.

This review discusses melatonin's potential in dermatology, highlighting its antioxidative, immunomodulatory, and DNA repair properties, but reports no new clinical results.

This review examines the evolution of human skin pigmentation and its genetic basis, suggesting that variations might be due to a few interacting gene pairs, and reports no new research findings.

This article describes a case of oral pigmentation that posed a diagnostic challenge in determining Addison’s disease and includes a brief review, reporting no new clinical results.

In this case study, the researchers reported a rare incidence of bilateral hyperpigmented macules on a patient's lower legs, possibly due to cyclophosphamide, suggesting that this chemotherapy drug may directly stimulate hair follicles to cause skin discoloration.