Certain chemicals and drugs can cause hair loss.
November 2010 in “Bradford Scholars (University of Bradford)” KATP channels are crucial for hair growth, and targeting them may lead to new hair loss treatments.
February 2009 in “Springer eBooks” Pregnancy can cause more body and scalp hair growth and make nails brittle, but these changes often revert after giving birth.
January 2008 in “Bradford Scholars (University of Bradford)” Alopecia areata may be caused by antibodies targeting specific hair follicle proteins, hindering hair growth.
September 2006 in “Plastic and Reconstructive Surgery” Hair transplant surgeries can be improved by preserving follicles in a special solution, and surgeries done at outpatient facilities are more profitable than those at hospitals.
January 2004 in “Chinese Journal of Dermatology” Injecting specific oligonucleotides can change hair growth and structure by altering a gene.
May 1995 in “Journal of Investigative Dermatology” Researchers developed a new way to measure gene activity in single hair follicles and found that a specific gene's activity changes with different amounts and times of treatment.
Testosterone and dihydrotestosterone can slow down the growth of certain hair follicle cells.
September 1984 in “Journal of Biological Education” Human hair growth involves active, resting, and intermediate phases, and examining plucked hairs can teach students about hair biology and diseases.
March 1983 in “Annals of Internal Medicine” 5-Aminosalicylic acid enemas may cause immediate hair root damage and hair loss.
September 1961 in “Archives of Dermatology” Colchicine causes hair loss by damaging hair follicles.
January 2022 in “Tissue & Cell” Using both platelet-rich plasma and minoxidil together gives the best results for hair growth in male rats with hair loss.
October 2021 in “QJM: An International Journal of Medicine” PRP injections may help treat hair loss.
January 2018 in “Surgical and Cosmetic Dermatology” Latanoprost and minoxidil effectively control hair loss and increase hair count.
Frontal hair in male pattern baldness shows reduced growth and thickness.
48 citations
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July 1993 in “Archives of Dermatological Research” Merkel cells are abundant in facial vellus hair follicles, especially during the anagen phase.
45 citations
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January 2010 in “Forensic science international” Neonatal hair can help determine drug exposure during pregnancy.
36 citations
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August 2023 in “Journal of Investigative Dermatology” Understanding the hair growth cycle in mice is crucial for accurate research, as it affects study results and requires careful timing and methods.
11 citations
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November 2021 in “Clinical, Cosmetic and Investigational Dermatology” Resveratrol may help hair grow, but more research is needed.
4 citations
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November 2016 in “Dermatologic Therapy” Topical tretinoin may increase beard hair density.
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January 2021 in “Applied sciences” Fermented red ginseng and a traditional herb mix improved hair growth in mice.
1 citations
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February 1988 in “The BMJ” The document explains different hair and scalp conditions, including common hair loss after pregnancy or illness, drug-induced hair loss, hereditary excessive hair growth, patterned baldness, autoimmune hair loss, and permanent loss due to skin disease, with generally limited treatment options.
August 2023 in “Journal of controlled release” STAR particles can improve the effectiveness of topical hair growth treatments without causing skin irritation.
January 2021 in “International journal of pharmaceutical research” Sansevieria trifasciata P. extracts, especially the ethyl acetate fraction, effectively promote hair growth in male rabbits with hair loss.
February 2010 in “Journal of The American Academy of Dermatology” Mimicking growth factors in a topical solution can prolong hair growth phase and reduce hair loss without side effects.
94 citations
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July 2003 in “Journal of biological chemistry/The Journal of biological chemistry” EGF controls hair growth by regulating hair follicles' growth phases.
57 citations
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November 1987 in “Pediatric Dermatology” Children's hair grows in different types from before birth through puberty, with growth rates and characteristics varying by age, sex, and race.
40 citations
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May 2010 in “Australasian Journal of Dermatology” Chronic hair shedding may be caused by less variation in hair growth times and might stop on its own after several years.
38 citations
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October 1988 in “Clinics in Dermatology” Hormones, nutrition, and seasonal changes regulate hair growth cycles, with androgens extending growth phases and factors like aging and malnutrition affecting hair loss and thinning.
28 citations
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March 2019 in “Journal of Dermatological Science” The document concludes that while lab results for hair growth promotion are promising, human trials are needed and better testing methods should be developed.