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This study found that transthyretin and megalin expression in human scalp hair follicles varies significantly with the hair growth cycle, peaking during anagen and diminishing in catagen and telogen phases.

This article reviews Vitamin D-dependent rickets Type II with a focus on alopecia as a potential diagnostic clue for this rare disorder, reporting no new clinical findings.

This study revealed that chronic restraint stress in mice led to significant alterations in metabolic pathways and gene expression associated with hair growth inhibition, using metabolomics and transcriptomics analyses.

This study found that patients with androgenetic alopecia had deficiencies in certain trace elements and vitamins, which were linked to distinct patterns of hair loss connected to androgen levels.

This study observed wide clinical diversity among five patients with the same VDR gene mutation causing vitamin D-dependent rickets type II, suggesting involvement of a nuclear accessory factor and a nongenomic action of the vitamin.

This study found that a combination of vitamins in hair care products promoted hair shaft elongation in a mouse model by activating the PlGF/VEGFR-1 signaling pathway.

This study found a widespread vitamin D deficiency among medical laboratory visitors in Misurata City, with 80.42% of females and 19.57% of males affected, and higher deficiency rates during winter and spring, particularly in individuals aged 35–45.

This study found that women with polycystic ovary syndrome had significantly higher serum lactate dehydrogenase levels and lower levels of cortisol, dopamine, zinc, and vitamin D3 compared to healthy controls.

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.

This study demonstrated that a daily oral supplement of 1000 mg Kera-Diet® improved hair and nail conditions in women experiencing acute telogen effluvium and brittle nail syndrome over three months.

This study found that a polyherbal gel made from guava leaves, amla, and aloe is effective against candidiasis on the skin, with additional benefits of nourishing hair and preventing premature graying.

This study found that women with female pattern hair loss had significantly lower serum Vitamin D3 levels compared to healthy controls.

This review discusses medication-induced gray hair repigmentation, highlighting that certain anti-inflammatory drugs and melanogenesis stimulators can cause diffuse repigmentation, though evidence remains low-quality and these medications are not currently indicated for this purpose.

This study reports that nonscarring diffuse hair loss in women is most common in the 21-40 age group, with low serum ferritin, vitamin B12, and vitamin D3 levels contributing to its pathogenesis.

This narrative review analyzed the literature on premature hair graying, identifying potential contributors such as nutrient deficiencies, oxidative and emotional stress, smoking, genetic factors, autoimmune diseases, and medication side effects, but reported no effective treatment to reverse it, underscoring the necessity for further research.

This study provides evidence-based recommendations for the off-label use of topical vitamin D in treating certain skin conditions, but highlights the need for higher quality studies for further validation.

This study found that treatment with vitamin D increased the expression of LL-37 through the vitamin D receptor in cultured sebocytes.

This preliminary study observed that melanoblasts are preserved in the white hair follicles of segmental vitiligo lesions.

This study found that a combination of oral compounds improved metabolic activity, cell viability, and proliferation in hair follicular keratinocytes, with L-cystine playing a key role in protection against oxidative stress.

This study observed that low serum ferritin and vitamin D levels may contribute to diffuse hair loss in women.

This study identified 374 eQTLs in scalp hair follicles associated with genes involved in metabolic, mitotic, immune processes, and responses to steroid hormones, contributing insights into genetic variation and hair traits.

This in-silico study identified several compounds as potential Vitamin D Receptor agonists, with Dolichosterone showing the strongest binding energy.

This study found that using the novel eyelid shampoo ESL improved eyelid hygiene, reduced dry eye symptoms in meibomian gland dysfunction patients, and increased eyelash length over 8 weeks.

This study found that OM-X® supplementation effectively prevented adverse biological changes caused by vitamin C deficiency in SMP30/GNL KO mice, improving energy maintenance, antioxidant capacity, and protein synthesis.

Oral Vitamin D can improve hair density and reduce hair loss in Telogen Effluvium patients.

This article compares two rare genetic diseases, vitamin D-dependent rickets type 1 and type 2, focusing on their similar presentations of hypocalcemia and rickets in infancy, but reports no new clinical results.

This study observed that dandruff in Indian women is associated with a distinct scalp microbiome, including specific bacterial and unknown Malassezia species, with implications for nutrient homeostasis and cell-host adhesion pathways.

This study suggests that vitamin D and its receptor may protect against the development of epidermal tumors following UV radiation by regulating specific cellular signaling pathways.

This chapter discusses the molecular biology of the vitamin D receptor in gene transcription and reports no new results; it highlights recent findings on receptor activity independent of its usual ligand.

This study identified three new mutations in the VDR ligand-binding domain that may cause dysfunction, and noted that oral calcium and calcidol treatment was effective, but only one patient experienced hair growth.