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This study found that inherited color dilution in Rex rabbit hair follicles is associated with DNA methylation changes, contributing to understanding the epigenetic regulation of rabbit pigmentation.

This case study reports a man with rapid hair thinning, whitening, and sparse beard, linked to an increased proportion of hair follicles in catagen or telogen phase and peribulbar lymphocytic infiltrate.

This review discusses the factors influencing human hair color, including genetic components like the MC1R gene and enzyme activity, without presenting new experimental results.

This study found no strong genetic link between hair color and alopecia areata risk, although a weak inverse association with blond hair was suggested, noting the results are exploratory and require further investigation with larger cohorts.

This study examined how different hair dye processes affect hair structure at a molecular level, finding that oxidative dyes increase keratin porosity more than non-oxidative dyes, and highlighted emerging technology aimed at reducing hair damage while preserving color quality.

This study reviews how different hair dyeing methods affect hair structure, showing oxidative dyes cause more structural damage than semi-permanent dyes, while new technologies aim to minimize harm while preserving color.

In this study, researchers found that none of the participants were color blind and reported varying lengths of index and ring fingers among them, exploring a possible link between these finger length ratios and sex-influenced gene expression.

This review discusses forensic DNA phenotyping and its potential applications, particularly for human identification in Latin American populations, but notes challenges due to genetic diversity and reports no new results.

This study found that in domestic cats, black hair contained significantly higher cortisol concentrations than white hair, whereas ginger hair showed no significant difference compared to white hair. Additionally, a positive correlation was reported between hair cortisol levels and behavioral issues mentioned by cat owners.

In this case-control study, researchers observed that smoking and lighter hair color significantly increased the risk of developing androgenetic alopecia, with older individuals and women showing higher prevalence rates, while hair thickness and shape were not linked to increased alopecia risk.

This study documented that after hair transplantation, 34 patients with white or gray hair in the donor area experienced color repigmentation, with most regaining their original blackish color in the recipient area over a 1-year follow-up.

This study observed that vimentin and transthyretin proteins were more highly expressed in black sheep skins compared to white, suggesting their involvement in coat color formation.

This study introduces a novel method for capturing and digitally rendering the color appearance of physical hair samples using deep neural networks.

The abstract does not provide any research findings or conclusions to summarize, focusing instead on color and logo specifications.

This paper reviews the hair color changes associated with valproic acid treatment, noting only a few reported instances of bleaching or darkening, and reports no new findings.

This study found that transgenic expression of Endothelin 3 in mice can maintain a dark pigmentation phenotype independently of Mc1r signaling by regulating melanogenic genes.

Certain ingredients can help protect hair color.

This review discusses the factors influencing human hair color, including genetic components and enzymatic activity, and highlights the forensic significance of hair color analysis, but reports no new findings.

This chapter reviews the formation of natural hair color, strategies for artificial coloring, and future trends, without presenting new research findings.

The book "Color Atlas of Hair Restoration Surgery" provides useful information on hair restoration techniques, though some methods discussed may cause scarring.

This review examines the adaptive value and mechanisms of seasonal coat colour moulting in birds and mammals, highlighting the challenge of camouflage mismatch and the necessity for evolutionary adaptation under climate change.

This study observed that injecting mice with α-MSH resulted in black hair regrowth in shaved and plucked areas, suggesting a potential link to the agent darkening hair in animals with a specific pituitary tumor.

This study suggests that ultrasound and color Doppler analyses may enhance the differential diagnosis of GnRH-dependent precocious puberty in girls with premature breast development or pubic hair growth.

This article reviews the clinical presentations, pathophysiology, and treatment options for various skin conditions in children with skin of color and reports no new findings.

This review discusses the characteristics, impact, and management challenges of central centrifugal cicatricial alopecia and reports no new clinical findings, highlighting the need for further research and early detection strategies.

This review covers the diverse cutaneous and systemic presentations of sarcoidosis in patients with skin of color, emphasizing the importance of early recognition to improve outcomes despite a generally poorer prognosis compared to Caucasians.

This study found that while many drugs are reported to cause hair color changes, substantial evidence supporting a true relationship exists mainly for chloroquine and certain cancer chemotherapeutic agents.

This study observed that in wild snowshoe hares, gene expression patterns during seasonal coat color change show a consistent lag between gene expression and visible coat color changes.

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.