13 citations
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October 1960 in “Experimental Biology and Medicine” This study found that small amounts of subcutaneously injected Se75 were deposited and retained in the hair of dogs for up to 316 days.
10 citations
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May 2020 in “Journal of proteome research” This study found that hair proteome profiling and genetically variant peptide identification in hairs remained effective after an explosive blast, indicating potential for forensic human identification despite damage.
January 2020 in “한국공업화학회 연구논문 초록집” This study found that microencapsulated dermal papilla cells in hyaluronic acid/collagen hydrogel retained their ability to initiate hair follicle regeneration, suggesting potential for alopecia treatment.
4 citations
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May 2019 in “PubMed” This study reported that the expression of sulfotransferase enzymes in hair follicles remained stable during treatment with topical minoxidil, indicating consistent metabolic activity throughout the treatment period.
3 citations
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November 2022 in “Clinical Cosmetic and Investigational Dermatology” This study found that while the number of dermatology outpatient visits in eastern China remained stable post-pandemic, the distribution of diagnoses, such as acne and allergic dermatitis, significantly changed.
1 citations
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September 2022 in “Journal of Medical Case Reports” This case report describes a Japanese man with severe COVID-19 who regained independence and returned to work after undergoing rehabilitation therapy, highlighting its potential benefits for recovery.
June 2022 in “Journal of Holistic and Health Sciences (Jurnal Ilmu Holistik dan Kesehatan)” This study found that a powder made from papaya seeds and celery leaves remained stable for 3 weeks when stored at room or cold temperatures, suggesting potential for hair health applications.
34 citations
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December 2000 in “The journal of investigative dermatology/Journal of investigative dermatology” This study observed that rat vibrissa hair follicles cultured in vitro showed morphological changes suggesting cyclical activity but remained blocked in the pro-anagen stage.
25 citations
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August 2010 in “Acta Biomaterialia” This study achieved a first by successfully forming large quantities of dermal papilla spheroidal microtissues, which retained their hair induction potential, using a micropatterned culture system.
13 citations
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December 1940 in “The journal of nutrition/The Journal of nutrition” In this study, silver foxes given a yeast "filtrate factor" supplement retained their fur and normal pelts, while those without it experienced fur loss and thymus abnormalities.
December 2025 in “FEBS Open Bio” In this study, fibroblasts from long-term skin biopsy cultures retained their ability to reprogram into induced pluripotent stem cells after 16 months, despite undergoing transcriptional changes and decreased proliferation rates over successive generations.
April 2022 in “Research Square (Research Square)” This study established the R-7 dermal papilla cell line, which retained essential characteristics of primary cells without undergoing malignant transformation, suggesting its potential for future hair research.
May 2018 in “The journal of immunology/The Journal of immunology” This study identified that patients with compound heterozygous mutations in FOXN1 exhibited severe T-cell lymphopenia but retained normal hair and nail development, indicating a distinct clinical phenotype from classic FOXN1 cases.
24 citations
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February 2007 in “Laser Physics Letters” This study found that a caffeine-containing shampoo penetrated deeply into hair follicles in just two minutes and remained there for up to 48 hours, even after washing.
2 citations
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July 2007 in “Cancer biology & therapy” This study found that 86% of patients with follicular non-Hodgkin's lymphoma were alive and nearly two-thirds remained in complete remission eight years after initial treatment with the radioimmunotherapy drug Bexxar.
1 citations
,
June 2021 in “International journal of pharmaceutical compounding” This study found that compounded minoxidil solutions in a propylene glycol-free and alcohol-reduced foam remained stable for 180 days, meeting United States Pharmacopeia standards for strength, pH, and antimicrobial effectiveness.
1 citations
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June 2020 in “Annals of the rheumatic diseases” In this study, 93% of patients with inflammatory arthritis remained on the adalimumab biosimilar ABP 501 for 24 weeks after switching from the originator, with some switching back due to adverse reactions or reduced effectiveness.
June 2025 in “Clinical and Experimental Dermatology” This report describes a rare case where a 76-year-old man's grey scalp hair unexpectedly regained its original orange to brown color after he underwent radiotherapy for squamous cell carcinoma, suggesting possible implications involving hair follicle melanocytes and radiation effects.
May 2024 in “Food bioscience” In this animal study, mice on a high-fat diet experienced weakened hair follicles but regained hair growth after treatment with wood sterol, which improved hair follicle health and altered hormone levels, suggesting its potential as a preventive measure for diet-induced alopecia.
September 2021 in “Crop research/Crop Research” This study reported that a biotin-rich nutrition bar stored in aluminum foil packaging showed reduced bacterial growth and remained edible for 30 days compared to other packaging materials.
January 2009 in “China Animal Husbandry & Veterinary Medicine” This study found that the sheep high-sulfur keratin promoter B2C initiated GFP expression in sheep fibroblasts but remained inactive in mouse embryos.
130 citations
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December 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” In this study, different types of catagen in the C57BL/6 mouse model exhibited varying effects on hair follicle melanocytes and melanin distribution, with spontaneous and dexamethasone-induced catagen showing pigment incontinence, while cyclophosphamide-induced catagen retained dendritic melanocytes but increased ectopic melanin.
6 citations
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June 2019 in “Skin Research and Technology” In this study, finasteride treatment for two years did not significantly reverse miniaturized hair follicles in men with male pattern hair loss, challenging the "reversal hypothesis" as 79 out of 113 miniaturized hairs remained unchanged.
5 citations
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January 2020 in “Skin Research and Technology” This study reported that combined oral finasteride and topical 5% minoxidil treatment in men with male-pattern hair loss improved hair growth by initiating anagen in pre-existing but deficient follicles, yet the growth rates remained unchanged and did not normalize hair productivity.
5 citations
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June 2012 in “Journal of Investigative Dermatology” Harris et al. describe a new mouse model for vitiligo, where interfollicular melanocytes are retained and melanocyte-targeting immune responses are simulated, aiding the development of immunomodulatory therapies.
1 citations
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March 2025 in “Journal of Society of Cosmetic Chemists of Japan” In this study, BECD-treated wavy hair showed reduced undulation and improved straightening after drying, as BECD enhanced the contraction and rearrangement of molecular chains in non-keratin proteins, unlike untreated hair, which retained its wavy structure.
1 citations
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March 1985 in “Head & neck surgery” This study reports disastrous outcomes from artificial hair fiber implants, with some patients still needing repair to remove retained fiber fragments; hair-bearing punch grafts may help some patients.
July 2026 in “International journal of research in pharmacy and life sciences.” This study formulated and evaluated a polyherbal anti-dandruff shampoo, demonstrating it had good cleansing properties, antimicrobial activity against dandruff-causing microbes, and remained physically stable, potentially offering a safe and effective herbal alternative for dandruff management.
May 2025 in “Wound Repair and Regeneration” This study found that the peptide TSN6 increased epidermal thickness and promoted hair follicle formation in dermal–epidermal composites grafted onto nude mice, with TSN6-treated composites showing more hair follicles and retained grafts compared to control groups.
January 2024 in “Jurnal Ilmiah Ibnu Sina (JIIS) Ilmu Farmasi dan Kesehatan” In this study, researchers developed a hair tonic using shallots (Allium cepa L.) and found that its F2 formulation was as effective as the positive control in promoting hair growth on the 21st day and remained stable over 28 weeks of testing.