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This study found that hemoglobin α is upregulated in epidermal keratinocytes after UV exposure and may function as an antioxidant, particularly for hair follicle stem cells.

In this study, red ginger extract gel showed stronger hair growth activity in male rats compared to a 2% minoxidil treatment, while white ginger extract was less effective.

This study observed a high incidence of hemangioma rubi on the scalp in older adults, which had not been previously reported in the literature.

This study observed that SY red pericarp rice extract promotes hair growth, inhibits 5α-reductase, and enhances hair regeneration in mice, with the extract being safe from cytotoxicity and irritation, indicating its potential as a natural hair growth promoter.

This article discusses strategies for changing hair color by regulating target genes in hair follicles using advanced delivery systems, but it reports no new experimental findings.

A 7-year-old girl was diagnosed with Netherton's Syndrome, shown by skin and hair symptoms.

This article discusses the diagnostic challenges of evaluating hair and scalp conditions in patients using hair dye, emphasizing how dyes can mimic different pathologies and lead to contact dermatitis.

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

This article discusses the role of neurohormones and neuropeptides in hair follicle pigmentation and outlines promising neuroendocrinological strategies to address greying and damage, but reports no new clinical results.

The study discusses using red light therapy for hair regrowth, noting red light alone may aid non-inflammatory hair loss, while infrared-red light combination is necessary for conditions like alopecia areata.

A new gene mutation may allow some piebaldism patients to regain skin color in white patches.

In this case study, a girl with hereditary vitamin D resistant rickets had a novel mutation in the VDR gene that affected hair cycling without causing total alopecia, suggesting ligand-independent VDR function in hair cycling.

In this study, researchers identified 18 genetic associations with scalp and facial hair traits in Latin Americans, including novel loci for hair greying and balding, with implications for understanding hair evolution.

This study suggests that topical T3 can induce hair follicles to enter the growth phase and may reverse graying in mice, with in vitro results supporting enhanced hair shaft growth.

This review discusses the dermatological and systemic adverse effects of hair dye use, particularly focusing on the common allergen para-phenylenediamine, and reports no new clinical data.

This study identified a novel E413K mutation in the hHb6 gene in a Chinese Han family with monilethrix, potentially linked to the characteristic moniliform hair structure.

This article reviews the need for multicenter clinical trials to establish reference data for ultrasound screening protocols for Down syndrome and reports no new findings.

This paper reviews recent research on hair graying, suggesting that an imbalance in oxidative stress handling may affect melanocyte stem cells and melanin production with age, and calls for exploring strategies to prolong melanin production.

The mutation causes hairless mice due to mislocalized and dysfunctional HR protein.

This case report describes a woman experiencing severe hair loss due to allergic contact dermatitis from a hair dye containing PPD.

In this study, researchers found that a PER3 gene SNP may be pathogenic for a new subtype of dyschromatosis universalis hereditaria, especially when combined with a SASH1 mutation.

This study found that patients with alopecia areata exhibited increased CRHR1 expression on circulating monocytes compared to controls, suggesting that stress-related factors like CRH and CRHR1 may contribute to the development and progression of the condition, particularly in chronic cases and those with larger lesions.

This study suggests that rosemary oil use may reduce the likelihood of premature hair greying among users in Saudi Arabia, though further research is needed to validate these findings.

Children's hair needs only a little iron for normal growth, regardless of their body's iron levels.

This study explores premature graying of hair, outlining potential causes such as genetic factors, nutritional deficiencies, and autoimmune disorders, and evaluates various management strategies including nutritional supplements, pharmacotherapy, and addressing underlying conditions.

The document suggests a bacteria plays a significant role in acne rosacea and that white hair can regain color after transplant, meriting more research on reversing grey hair.

This study reported a case of hereditary vitamin D–resistant rickets caused by a single heterozygous missense mutation in the VDR gene, showing dominant-negative effects and reduced response to 1,25-dihydroxyvitamin D3.

This review discusses the genetic and metabolic factors influencing hair pigmentation, as well as conditions leading to hypo- or depigmented hair, and reports no new experimental findings.

This article discusses factors influencing hair greying, such as thyroid hormone levels and postmenopausal changes, and suggests lifestyle adjustments for hair health; it reports no new clinical findings.