May 2025 in “Biomedicine & Pharmacotherapy” This study found that HPD is a potent activator of hair follicle regeneration, surpassing the efficacy of conventional minoxidil treatment by modulating Wnt/β-catenin signaling and enhancing follicular proliferation, indicating its potential as a non-invasive hair restoration therapy.
4 citations
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November 2016 in “Journal of Cutaneous Pathology” This letter discusses three plasmacytoid dendritic cell-related parameters that may help differentiate lupus alopecia from lichen planopilaris, but it reports no new study results.
37 citations
,
February 2007 in “Experimental Dermatology” This study found that PDCD4 protein expression is reduced in various skin cancers compared to normal skin, suggesting its potential role in preventing or treating certain skin cancers.
20 citations
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June 2020 in “Journal of Cosmetic Dermatology” This study found that hypoxia increases the proliferation of dermal papilla cells and highlighted the important role of lactate dehydrogenase in this process.
March 2026 in “Journal of Investigative Dermatology” This quality improvement initiative at Children’s Hospital of Orange County seeks to increase awareness and use of nonprofit pediatric wig programs by at least 50% over three months through educational interventions.
This study found that new methods for isolating human dermal papilla cells were more efficient than traditional methods, maintaining higher levels of specific markers and improving the cells' research potential.
8 citations
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January 2018 in “Journal of the American Academy of Dermatology” This study found that maintenance treatment with diphenylcyclopropenone was associated with a lower relapse rate in alopecia areata patients, highlighting the importance of adjusting treatment intervals post-improvement.
13 citations
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January 2014 in “Zhongguo zhongyao zazhi” This study found that Dendrobium candidum polysaccharides might promote hair growth in mice, potentially by increasing VEGF mRNA expression.
8 citations
,
January 2021 in “Journal of Pharmaceutical Investigation”
September 2023 in “Journal of Rawalpindi Medical College/Journal Rawalpindi Medical College” This study found that oral contraceptive pills containing cyproterone acetate and drospirenone were more effective at reducing hirsutism in women with PCOS than those containing levonorgestrel over a 6-month period.
January 2012 in “RWTH Publications (RWTH Aachen)” This study found that patient-derived HGF significantly accelerates wound healing in diabetic mice, particularly improving skin structure and flexibility, and rHGF plays a key role in boosting hair growth.
8 citations
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January 2018 in “Journal of Analytical Methods in Chemistry” This study developed a reliable HPLC-UV/Vis method to determine aluminum phthalocyanine chloride in skin, supporting its use in skin permeation studies for photodynamic therapy of cutaneous tumors.
6 citations
,
January 2020 in “Open Journal of Psychiatry” This study concludes that the Greek version of the Dysmorphic Concern Questionnaire is a reliable and valid tool for assessing body dysmorphic disorder-related concerns in both research and clinical settings.
33 citations
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April 2020 in “Dermatitis” This study found that 9% of tested patients had positive patch test reactions linked to hair care products, with most reactions clinically relevant and commonly involving allergens like p-phenylenediamine.
4 citations
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January 2024 in “Allergy” This study indicates that individuals exposed to PPD mount varying immune responses, with either tolerance, subclinical inflammation, or allergy, suggesting no true non-responders to PPD.
6 citations
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June 2018 in “Journal of pediatric endocrinology & metabolism/Journal of pediatric endocrinology and metabolism” In this study, eight patients with hereditary vitamin D-resistant rickets who share a specific VDR mutation showed improved clinical symptoms except alopecia after up to 11 years of treatment.
72 citations
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February 1990 in “British Journal of Clinical Pharmacology” This study found that concentrations of haloperidol and its metabolite in human scalp hair significantly correlated with the daily dose and plasma trough levels in patients taking haloperidol.
1 citations
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June 2019 in “Journal of Biological and Scientific Opinion” This article highlights the health risks associated with adding paraphenylenediamine to mehndi, such as contact dermatitis and asthma, and emphasizes the need for regulatory checks as its use grows among cancer patients, women with alopecia, and pregnant individuals.
May 2024 in “Regenerative Therapy” This laboratory study found that dendrobium officinale polysaccharide (DOP) stimulated hair follicle and hair growth in mice by activating the WNT signaling pathway.
March 2026 in “Indian Dermatology Online Journal” This report details a case study where a 40-year-old woman experienced allergic contact dermatitis and angioedema-like symptoms after using PPD-containing hair dye. Patch testing confirmed a positive reaction to PPD, highlighting the substance's potential to cause both T-cell and IgE-mediated hypersensitivity reactions.
11 citations
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April 2020 in “Life sciences” In this study, pantothenic acid at 20 μg/ml was observed to promote dermal papilla cell proliferation and migration, likely through up-regulation of ID3 and inhibition of Notch signaling.
June 2023 in “Journal of cosmetic dermatology” This study concluded that both DPCP alone and combined with PRP are effective and safe for treating severe alopecia areata, with no significant difference between the two treatment methods.
1 citations
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August 2016 This study investigated the cytotoxic effects of DHA derivatives on cancer cell lines and found that didocosahexaenoin was the most potent, inducing apoptosis and producing reactive oxygen species in PC3 prostate carcinoma cells.
November 2024 in “Stem Cell Research & Therapy” A new method improves the isolation of hair follicle cells for better hair growth research.
149 citations
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July 2014 in “Cold Spring Harbor Perspectives in Medicine” This article provides contact information for Bruce A. Morgan and features no new research findings.
84 citations
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August 1991 in “British Journal of Dermatology” This study found that 67% of children treated with diphencyprone for alopecia areata or alopecia totalis regrew scalp hair, with 33% achieving complete regrowth.
July 2021 in “Journal of pharmaceutical research international” This study found that 73% of women with female pattern hair loss at a Karachi hospital were vitamin D3 deficient.
1 citations
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September 2019 in “Journal of Investigative Dermatology” This study found that combining human dermal papilla fibroblasts with hair matrix cells formed organoids capable of limited hair follicle development in ex vivo skin, but not fully formed hair follicles.
2 citations
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January 2012 in “Journal of Clinical & Experimental Dermatology Research” This study found that adding fexofenadine to DPCP treatment in non-atopic Alopecia areata patients did not significantly improve hair regrowth, but it did significantly reduce treatment-related discomfort.
1 citations
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December 2019 in “Journal of medicine and life science” This article discusses the role of dermal papilla and dermal sheath cells in the hair cycle and reviews finasteride and minoxidil's mechanisms in promoting hair growth, but presents no new clinical findings.