80 citations
,
April 2011 in “Plant physiology” This study suggests that the GPX-PDE1 and GPX-PDE2 genes in white lupin enhance root hair development and contribute to Pi limitation acclimation by facilitating glycerophosphodiester degradation.
27 citations
,
February 2017 in “Biomedicine & Pharmacotherapy” This study found that white wax and its extract may promote hair growth in a mouse model of androgenetic alopecia by inhibiting 5α-reductase activity and increasing cell proliferation, with efficacy surpassing finasteride.
27 citations
,
October 2003 in “Journal of the American Academy of Dermatology” This case report describes white piedra infection of the scalp hair with a synergistic bacterial infection in two US native sisters, highlighting its relevance in diagnosing scalp hair concretions despite its rarity in North America.
20 citations
,
April 2011 in “British Journal of Dermatology” Reflectance confocal microscopy can tell apart white dots on the scalp as either sweat gland ducts or hair follicle openings.
19 citations
,
July 2004 in “Journal of Medical Primatology” In this study, zinc toxicosis in infant baboons was attributed to excessive environmental exposure, highlighting the importance of cage design in captivity and potential use of baboons as a developmental model.
16 citations
,
February 2008 in “PubMed” Vitamin B12 deficiency can cause skin darkening and white hair, but it's reversible.
15 citations
,
November 2016 in “Journal of The American Academy of Dermatology” This article discusses the potential of trichoscopy in diagnosing and treating dissecting cellulitis of the scalp and emphasizes the need for early diagnosis to prevent progression but reports no new clinical results.
13 citations
,
July 2011 in “Photomedicine and laser surgery” This study found that coloring white facial hair is an effective and feasible adjunct to intense pulsed light therapy for hair removal, with similar efficacy between using black eyeliner and black hair dye.
12 citations
,
February 2019 in “Skin research and technology” This study found that white hair fibers have lower lipid content and different water absorption dynamics compared to brown hair fibers, suggesting differences in their barrier functions.
12 citations
,
August 2016 in “Mycopathologia” This case study reports a 36-year-old man's fungal infection, identified as Trichosporon inkin, which was treated with shaving and antifungal therapy.
12 citations
,
January 2014 in “Dermatology online journal” In this case review, researchers hypothesize that hair regrowth following alopecia areata may be linked with poliosis, suggesting that this association might be more common than previously documented.
12 citations
,
June 2012 in “Revista da Sociedade Brasileira de Medicina Tropical” This case study reported a rare infection by Trichosporon inkin, causing white piedra in a family in Southern Brazil, emphasizing the importance of molecular tools for precise identification.
11 citations
,
January 2014 in “Indian journal of dermatology, venereology, and leprology” This report describes three cases of white piedra of scalp hair, identifying Trichosporon inkin and Trichosporon mucoides as the fungi responsible, which are uncommon causes of this condition.
10 citations
,
October 2023 in “Mycoses” This study reviewed 131 cases of White Piedra and found it predominantly affects young women, often asymptomatic, with the presence of hair nodules commonly linked to hair-related factors such as long hair and use of hair accessories.
9 citations
,
July 2018 in “International Journal of Dermatology” This study suggests that yellow and white dot signs may be new dermoscopic indicators of advanced androgenetic alopecia in dark-skinned females, with certain trichoscopic features associated with darker skin types.
8 citations
,
April 2015 in “British Journal of Dermatology” This report describes two cases of white piedra caused by Trichosporon inkin in a northern climate, detailing clinical findings and diagnosis without presenting new experimental results.
7 citations
,
October 2012 in “Anais Brasileiros de Dermatologia” This case report highlights the simultaneous presence of white piedra, identified as T. inkin, and pediculosis capitis in one patient to emphasize their clinical distinctions.
7 citations
,
May 2010 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” This preliminary study observed that melanoblasts are preserved in the white hair follicles of segmental vitiligo lesions.
4 citations
,
July 2019 in “Clinics in Dermatology” This article reviews various "white diseases" characterized by hypopigmentation or depigmentation and emphasizes the role of melanosomes in skin and eye color, but it does not present new clinical results.
2 citations
,
March 2024 in “Journal of Cosmetic Dermatology” This study highlighted the need for more extensive research, ideally randomized controlled trials with larger patient groups, to determine the effect of the indicated treatment on hair repigmentation following AA.
2 citations
,
August 2021 in “Skin appendage disorders” This case report describes a successful treatment of scalp hair white piedra caused by T. ovoides with oral itraconazole and topical ketoconazole, using a combination of clinical, trichoscopic, microbiologic, and molecular methods for diagnosis.
2 citations
,
January 2018 in “Proceedings of the International Conference of Science, Technology, Engineering, Environmental and Ramification Researches” 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.
2 citations
,
December 2017 in “PubMed” In this case report, a 58-year-old man's 30-year undiagnosed pruritic rash in the pubic area was successfully treated with topical ketoconazole after being identified as white piedra using a Wood lamp.
2 citations
,
January 2017 in “Indian dermatology online journal” This case study reports a 30-year-old woman with a mixed infection of white piedra and pediculosis capitis, indicating the difficulty in distinguishing between these conditions upon casual examination.
2 citations
,
March 1994 in “Journal of the European Academy of Dermatology and Venereology” This case report describes two female patients with white piedra of the scalp who showed remarkable improvement in hair condition after using 2% miconazole nitrate lotion for 8 weeks.
1 citations
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April 2025 in “Pigment Cell & Melanoma Research” This article reviews the underlying mechanisms of segmental vitiligo with white hair, focusing on skin and hair follicle melanocytes, and proposes potential targets for treatment, highlighting neuroendocrine factors as possible contributors to the condition.
1 citations
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November 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” This study found that in mice, knockout of Rac1 and Rac3 in keratinocytes led to reduced white adipose tissue and revealed Rac-dependent paracrine pathways affecting pre-adipocyte differentiation.
1 citations
,
March 2017 in “Archives of Plastic Surgery” This paper describes a new technique using gentian violet to improve visualization during follicular unit extraction in white-haired patients, suggesting it enhances the accuracy of the procedure.
May 2026 in “Clinical Cosmetic and Investigational Dermatology” This study observed that white hair can create an optical illusion of increased scalp visibility, potentially misleading clinical evaluations of hair loss and complicating hair transplantation planning, and identified five core dyeing strategies to address this phenomenon.
December 2024 in “Minia Journal of Medical Research” In this study, researchers found that alopecia areata patches with white hair follicles showed a significant decline in Sox10 marker expression compared to patches without white hairs, while other melanocytic markers were similarly expressed in both groups.