Hair test results can be misleading due to external contamination, so they shouldn't be used alone to assess long-term drug use.
December 2025 in “International Journal For Multidisciplinary Research” Microscopic hair analysis is important in forensics but has limitations; new technologies are improving its accuracy.
December 2020 in “Journal of Aesthetic Nursing” Injecting platelet-rich plasma into the scalp stimulates hair growth, increases hair density, and treats hair loss effectively with minimal side effects.
October 2020 in “Journal of Aesthetic Nursing” Platelet-rich plasma (PRP) injections effectively treat hair loss and thinning in both men and women, with high satisfaction and no major side effects.
86 citations
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October 2013 in “Dermatologic Clinics” Trichoscopy is a useful non-invasive method for diagnosing different hair loss conditions.
46 citations
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January 1996 in “Journal of The American Academy of Dermatology” People with late-stage HIV-1 often experience a specific type of hair loss linked to multiple factors, including nutritional issues and immune responses.
4 citations
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January 2005 in “Elsevier eBooks” Follicular Unit Transplantation is a precise hair restoration technique that requires careful planning and a skilled team, and Follicular Unit Extraction offers a less invasive option.
4 citations
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April 1999 in “Dermatologic Clinics” Long-pulsed ruby lasers effectively reduce hair for up to 2 years with minimal pain.
1 citations
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December 2010 in “InnovAiT” The document concludes that accurate diagnosis and appropriate management are crucial for treating various hair disorders, which have significant psychological impacts.
1 citations
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January 1993 in “Facial Plastic Surgery” Surgical hair restoration has improved since 1959, with new techniques like minigrafts, micrografts, and scalp reductions creating more natural hairlines and reducing bald skin, despite some risks and potential for scarring.
November 2019 in “Harper's Textbook of Pediatric Dermatology” Understanding normal hair growth and loss in children is key to diagnosing and treating hair disorders.
126 citations
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January 1987 in “Journal of The American Academy of Dermatology” The document concludes that understanding hair structure is key to diagnosing hair abnormalities and recommends gentle hair care for management.
97 citations
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September 2011 in “British Journal of Dermatology” The human hair follicle can store topical compounds and be targeted for drug delivery with minimal side effects.
57 citations
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August 2003 in “British Journal of Dermatology” Minoxidil and pyrithione zinc combo most effectively increases hair density.
210 citations
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color production in mice is closely linked to the hair growth phase and may also influence hair growth itself.
209 citations
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September 2008 in “Dermatologic Therapy” Androgens can both increase and decrease hair growth in different parts of the body.
111 citations
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March 1951 in “Annals of the New York Academy of Sciences” Understanding the mouse hair cycle is crucial for cancer research.
109 citations
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color production is closely linked to the active growth phase of hair in mice and may also influence hair growth itself.
87 citations
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January 2016 in “Development” Blocking β-catenin in skin cells improves hair growth during wound healing.
53 citations
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May 2010 in “Journal of Cellular Physiology” Mice without Vitamin D receptors have hair growth problems because of issues in the hedgehog signaling pathway.
42 citations
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February 2017 in “Scientific Reports” Researchers found a way to create cells from stem cells that act like human cells important for hair growth and could be used for hair regeneration treatments.
40 citations
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October 2012 in “British Journal of Dermatology” Minoxidil helps regrow hair in female pattern hair loss, but more research needed for other treatments.
30 citations
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July 2017 in “Stem cells and cloning” SVF-enhanced adipose transplantation shows potential as a hair loss treatment.
29 citations
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May 2010 in “Annals of Pharmacotherapy” Finasteride may help some women with hair loss, but better options exist.
26 citations
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October 2023 in “Neuroscience Bulletin” Stem cell therapy could help regenerate inner ear hair cells to treat hearing loss.
26 citations
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December 1981 in “British journal of dermatology/British journal of dermatology, Supplement” Cyproterone acetate reduced hair growth in most hirsute females and made hair softer, thinner, and lighter.
24 citations
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February 2006 in “Chinese Medical Journal” Cultured dermal papilla cells can regenerate hair follicles and sustain hair growth.
11 citations
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August 2010 in “Developmental neurobiology” Ptprq has multiple forms that change during inner ear development.
9 citations
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November 2000 in “Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE” Dyeing hair can help target and destroy hair follicles selectively.
7 citations
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February 2018 in “International Journal of Pharmaceutics” Researchers developed a method to measure drugs in hair follicles and found that both water-loving and fat-loving drugs can be detected after being applied to the skin.