December 1977 in “Archives of Dermatology” Hair regrowth in alopecia areata is common, but recurrences happen frequently.
January 1961 in “The Journal of Anthropological Society of Nippon” Hair form in mixed-blood families varies due to hereditary twist-knots and pigment formation.
November 2022 in “Journal of Investigative Dermatology” Occipital hair follicles in male pattern baldness respond uniquely to testosterone, not androgen-insensitive.
January 2022 in “Advanced Pharmaceutical Bulletin” Clove oil and grape seed extract increase finasteride skin absorption, while urea decreases it.
June 2021 in “Cosmoderma” Hair transplantation techniques have improved, making the process safer and more effective with less visible scarring.
The modified Sinclair scale effectively measures hair loss severity in men.
November 2019 in “Actas Dermo-Sifiliográficas” Oral minoxidil helps treat hair loss and has reversible side effects.
May 2012 in “CRC Press eBooks” Androgenetic alopecia is the main reason people lose hair, and while some think it's normal, others find it abnormal and want treatment.
150 citations
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April 1999 in “Dermatologic Clinics” Laser hair removal effectiveness depends on targeting hair structures without harming the skin, and improvements require more research and expert collaboration.
84 citations
,
April 2015 in “Cosmetics” Hair dyes vary in how long they last and how deeply they penetrate hair.
73 citations
,
April 1999 in “Dermatologic Clinics” Lasers and light sources can effectively remove hair, work best on fair skin with dark hair, and usually need multiple treatments.
68 citations
,
August 2012 in “Journal of the American Academy of Dermatology” Dermatoscopy is a useful tool for diagnosing hair disorders and can help choose samples for more detailed analysis.
66 citations
,
September 2005 in “Photochemical & photobiological sciences” We don't fully understand how sunlight damages different types of hair.
65 citations
,
May 2001 in “Journal of Analytical Toxicology” Basic drugs like amphetamine are absorbed more in darker hair than lighter hair.
31 citations
,
April 1999 in “Dermatologic Clinics” Nd:YAG laser can reduce hair with multiple treatments, but permanent removal isn't guaranteed.
30 citations
,
April 2013 in “Journal of Investigative Dermatology” Radiation mainly affects keratinocyte stem cells, not melanocyte stem cells, causing hair to gray.
22 citations
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May 2019 in “Animals” High hair cortisol levels indicate stress in cows due to poor shelter conditions and health issues.
21 citations
,
January 2010 in “International Journal of Trichology” TrichoScan often makes mistakes and needs improvement for correct hair growth analysis.
19 citations
,
December 2016 in “PLOS ONE” Early-stage skin cells help regenerate hair follicles, with proteins SDF1, MMP3, biglycan, and LTBP1 playing key roles.
17 citations
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May 2007 in “Forensic Science Medicine and Pathology” Clozapine levels in hair reflect dosage and bind more to pigmented hair.
15 citations
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January 2017 in “Pigment International” Early hair graying is often inherited and influenced by genetics, environment, and lifestyle, but treatment options are limited.
14 citations
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May 2013 in “Experimental Dermatology” The modified wash test is better than TrichoScan® for diagnosing hair loss.
14 citations
,
May 2011 in “Facial Plastic Surgery Clinics of North America” Laser hair removal is effective for dark hair but needs improvement for nonpigmented or fine hairs.
13 citations
,
February 2016 in “Clinical Medicine” The document concludes that diagnosing and treating hair loss is complex and requires understanding its psychological effects and underlying causes, while also calling for more research and new treatments.
12 citations
,
May 2018 in “JAAD Case Reports” A man's gray hair got darker and thicker after using a psoriasis drug.
12 citations
,
November 2004 in “Photochemistry and Photobiology” Superoxide dismutase (SOD) can prevent hair graying in mice.
10 citations
,
September 2019 in “Frontiers in Veterinary Science” Older steers have higher hair cortisol levels than younger steers.
8 citations
,
November 2022 in “International Journal of Cosmetic Science” Human hair varies widely and should be classified by curl type rather than race.
7 citations
,
December 2018 in “Journal of Cosmetic Dermatology” Eating vegetarian, having allergies, and family history might be linked to getting gray hair early.
7 citations
,
July 2014 in “Facial Plastic Surgery Clinics of North America” Different ethnic hair traits must be considered for successful hair restoration surgery to achieve natural-looking results.