March 2014 in “Medicina cutánea ibero-latino-americana” Melatonin applied to the scalp helps increase hair density in people with early hair loss.
June 2018 in “Advances in Cosmetic Surgery” Hair loss caused by genetics and hormones; more research needed for treatments.
29 citations
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March 2010 in “Journal of Dermatological Science” Wnt3a activates certain genes in hair follicle cells, including a newly discovered one, EP2, which may affect hair growth.
1 citations
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May 2016 in “Current Opinion in Pediatrics” Children's hair loss can be caused by various factors and should be treated with appropriate, age-specific methods and psychological support.
Low-level laser therapy combined with Neoptide improved hair regrowth better than either treatment alone in rats.
October 2025 in “International Journal of Advanced Research in Science Communication and Technology” Minoxidil effectively promotes hair growth, especially in a 5% solution, but requires continuous use.
41 citations
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September 2011 in “Journal of Ethnopharmacology” Panax ginseng extract helps mice grow hair.
24 citations
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July 1987 in “Dermatologic Clinics” Systemic diseases can cause hair loss, which is often reversible with treatment.
20 citations
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January 2015 in “Current problems in dermatology” Hair gets thinner, grayer, and changes texture with age due to genetics, environment, and cellular changes, affecting the growth cycle.
8 citations
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August 2014 in “Clinical and Experimental Dermatology” CTE and FPHL are different hair loss types with unique causes.
6 citations
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August 2007 in “Journal of Surgical Research” Mice genetically modified to produce more Del1 protein had faster hair regrowth.
July 2023 in “Frontiers in veterinary science” Certain long non-coding RNAs are important for controlling hair growth cycles in sheep.
40 citations
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May 2012 in “British Journal of Dermatology” Recognizing specific features of African-American hair can help diagnose hair loss conditions.
37 citations
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October 2013 in “PLoS ONE” MicroRNAs play a key role in wool growth in Tibetan sheep.
34 citations
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December 1991 in “Annals of the New York Academy of Sciences” The conclusion is that small hair follicles cause baldness in macaques, and treatments like antiandrogens and minoxidil can prevent hair loss and promote regrowth.
22 citations
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December 2014 in “Naunyn-Schmiedeberg's Archives of Pharmacology” Baicalin helps hair grow by boosting certain cell activities and speeding up hair cycle in mice.
9 citations
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January 2015 in “Fundamental & clinical pharmacology” Cyclosporine A helps hair grow by blocking a process that would otherwise cause hair cells to die.
6 citations
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April 1996 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” TGF-alpha is present in sheep and ferret skin and may affect hair growth without directly stimulating cell proliferation.
4 citations
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June 2020 in “British Journal of Pharmacology” Activating TRPV4 in skin cells helps regrow hair in mice, possibly offering a treatment for hair loss.
3 citations
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August 2020 in “International Journal of Molecular Sciences” Blocking Rab27a slows hair growth, while blocking Rab27b encourages it.
October 2021 in “Research Square (Research Square)” Hair follicle stem cells in hairpoor mice are disrupted, causing hair loss.
15 citations
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April 2001 in “Journal of Dermatological Science” KF19418 promotes hair growth similarly to minoxidil but is not better in live mice.
4 citations
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January 2021 in “Archives of dermatological research” The study created a new model to better understand human hair growth and health.
2 citations
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March 2015 in “Hepatitis Monthly” A woman's hair loss during Hepatitis C treatment with PEG-INF-a-2a and Ribavirin was reversible after stopping the medication.
March 2026 in “Scientific Reports” Ferulic acid may help hair grow by activating certain receptors in cells.
June 2022 in “International journal of drug delivery technology” Nebivolol cream may be a promising hair loss treatment by improving blood flow and nourishing hair follicles.
28 citations
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September 2019 in “International Journal of Nanomedicine” Minoxidil nanoparticles can potentially be a more effective treatment for hair growth than current treatments.
84 citations
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April 2002 in “Archives of Dermatology” Loose anagen hair syndrome may be caused by keratin gene mutations.
47 citations
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July 1967 in “Science” Not eating enough protein can cause hair roots to shrink and lose color, and hair to become thinner.
20 citations
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August 2015 in “International Journal of Molecular Medicine” Human placental extract may help hair growth by affecting certain cell signals and could be more effective with minoxidil.