139 citations
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August 2006 in “Molecular and Cellular Biology” Rac1 is vital for hair follicle health but not needed for skin maintenance.
Hair loss can make people feel less attractive and confident, leading them to try many treatments.
May 2007 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Hair can regrow in adult mice's skin after injury, and this process can be boosted by increasing Wnt7a, a protein. This could potentially help treat baldness and change our understanding of hair growth.
217 citations
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July 2009 in “Experimental and Clinical Endocrinology & Diabetes” Hair analysis can track past cortisol levels in Cushing's Syndrome patients.
169 citations
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January 2018 in “Cell Reports” Scientists grew hair follicles from mouse stem cells in a lab setting.
46 citations
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May 1986 in “Seminars in Reproductive Medicine” Testosterone and dihydrotestosterone affect hair growth, and new techniques like the folliculogram help study it, but fully understanding hair growth is still complex.
42 citations
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May 1997 in “The Journal of Biochemistry” PAD type III enzyme is specific to rat skin and hair follicles.
27 citations
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September 2017 in “Journal of Medicinal Food” Annurca apple supplement safely increases hair growth and keratin in humans.
21 citations
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June 2023 in “Proceedings of the National Academy of Sciences” Tightly curled scalp hair helps reduce heat from the sun, protecting against overheating.
14 citations
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January 1996 in “Journal of Forensic Sciences” Hair can absorb and transfer opiates when soaked in water, with damaged hair absorbing more.
8 citations
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March 2021 in “Drug testing and analysis” Researchers improved a method to more accurately estimate when and how long a drug was taken using hair analysis.
8 citations
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November 2020 in “Journal of Cosmetic Dermatology” The ingredients may help prevent hair loss and aging by boosting hair growth signals and reducing stress and hormone effects.
5 citations
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April 2024 in “Biology” Improving human hair follicle models is crucial for better hair loss treatments.
3 citations
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May 2017 in “British journal of dermatology/British journal of dermatology, Supplement” Certain cells around hair follicles help improve skin regeneration for potential use in skin grafts.
3 citations
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August 2014 in “Cellular reprogramming” Hair follicle stem cells need all reprogramming factors to become pluripotent.
2 citations
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November 2019 in “Phytotherapy Research” Pea sprout extract is safe and effectively reduces hair loss.
2 citations
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September 2010 in “Acta Ophthalmologica” Meibomian glands are like hair follicles without a hair shaft.
1 citations
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May 2025 in “International Immunopharmacology” L-borneol helps skin wound healing by promoting stem cell differentiation.
1 citations
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February 2023 in “Digestive diseases and sciences” Gastroparesis may cause hair loss due to micronutrient deficiencies, and multivitamins might help.
July 2025 in “The Journal of Physiology” C-tactile afferents are linked to emotional touch and social bonding through hair movement.
February 2025 in “Dermatologic Surgery” Hair follicle transplantation can help treat wounds, sweating, odor, and skin conditions beyond just restoring hair.
March 2024 in “Buletin de psihiatrie integrativă (Print)” Hair loss from telogen effluvium can cause mental health issues and lower life quality, needing both medical and emotional support.
April 2016 in “Journal of Investigative Dermatology” Wnt ligands, produced by dermal papilla cells, are essential for adult hair growth and regeneration.
March 2016 in “RepositóriUM (Universidade do Minho)” Molecular dynamics simulations help understand keratin's properties and predict hair's response to treatments.
January 2012 in “RepositóriUM (Universidade do Minho)” PLA nanoparticles can effectively deliver treatments to hair follicles, showing potential for hair therapy.
July 2007 in “Clinical Risk” A woman got severe scalp burns from a salon's improper hair bleaching treatment.
January 2003 in “Zhonghua shaoshang zazhi” Murine fetal epidermal stem cells can help regenerate hair follicles.
November 2025 in “Pediatric Dermatology” The boy's hair fully regrew after treatment for a rare hair loss condition.
January 2025 in “International Journal of Pharmaceutical Research and Development” Vitex negundo oil promotes hair growth and may treat alopecia safely.
2 citations
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February 2001 in “PubMed” In Switzerland, 43% of men experience hair loss, and many switch to Propecia for treatment.