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.
122 citations
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October 2013 in “PEDIATRICS” Maternal stress during pregnancy affects a child's stress levels.
92 citations
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June 2010 in “Journal of The American Academy of Dermatology” Dutasteride 0.5 mg daily improves hair growth safely in men with hair loss.
89 citations
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March 1990 in “PubMed” Shaving is the most effective temporary hair removal method for facial hirsutism.
69 citations
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January 2002 in “Journal of biomedical optics” Dyes can penetrate human skin and hair follicles up to 1.2 mm deep and the sebaceous gland can store dye; Indocyanine Green lotion was made for safe dyeing and monitoring.
46 citations
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June 1992 in “Arthritis & Rheumatism” Hair products don't affect lupus development or severity.
46 citations
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May 1991 in “British Journal of Dermatology” Heparin can inhibit hair growth in mice when injected.
42 citations
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September 1985 in “British Journal of Dermatology” Trichothiodystrophy causes abnormal protein deposits and distortion in hair follicles.
40 citations
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May 2018 in “PubMed” Nutrafol® Women's Capsules safely and effectively promote hair growth in women with thinning hair.
36 citations
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September 2018 in “American Journal of Clinical Dermatology” Combination of 0.25% finasteride and 3% minoxidil works better than just 3% minoxidil for increasing hair thickness in women.
34 citations
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January 2014 in “International Journal of Trichology” Polarized dermoscopy is slightly better than nonpolarized for diagnosing hair disorders, with each method having its own strengths.
33 citations
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January 2017 in “Psychoneuroendocrinology” Hair dyeing and washing frequency do not affect hair cortisol levels.
31 citations
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April 2010 in “British journal of dermatology/British journal of dermatology, Supplement” Frontal fibrosing alopecia can cause sudden hair loss on limbs, similar to scalp hair loss.
30 citations
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January 2013 in “International Journal of Trichology” The most common causes of hair loss in Jordanian children are fungal infections, autoimmune hair loss, and hair shedding after fever, with zinc deficiency also being a notable cause.
28 citations
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July 2000 in “PubMed” Hair structure forms the same way inside and outside the body.
25 citations
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June 2018 in “Clinical and Experimental Dermatology” Combined microneedling and minoxidil improves hair growth more than minoxidil alone.
24 citations
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December 1990 in “Pediatric Dermatology” Tight hairstyles like ponytails may cause hair casts by affecting scalp circulation and causing inflammation.
24 citations
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January 1969 in “Archives of Dermatological Research” Hair malformations may occur due to timing issues in hair development.
22 citations
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March 2020 in “Journal of The American Academy of Dermatology” DSC cell injections significantly improved hair density and diameter, showing potential as a hair loss treatment.
22 citations
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February 2002 in “European Neuropsychopharmacology” Hair analysis for drugs in psychosis patients is unreliable due to varying hair growth rates.
21 citations
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March 2020 in “Journal of lasers in medical sciences” Diode laser hair removal is effective and safe, but side effects vary by ethnicity and treatment number.
21 citations
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January 2018 in “Lasers in Medical Science” The 1927-nm fractionated thulium laser treatment significantly improves hair thickness and count in pattern hair loss patients.
19 citations
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April 2020 in “Journal of ethnopharmacology” Prunus mira nut oil helps hair grow by affecting the Wnt/β-catenin signaling pathway.
19 citations
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November 2001 in “Journal of Investigative Dermatology Symposium Proceedings” Human hair follicles can regenerate and recover after severe injury by going through a brief abnormal resting phase before growing again.
19 citations
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July 1964 in “PubMed” Hair follicle cells become four types: medulla, cortex, cuticle, and inner root sheath.
18 citations
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January 1994 in “Skin Pharmacology and Physiology” Human dermal fibroblasts and hair papilla cells help outer root sheath cells grow and develop properly.
17 citations
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September 2014 in “PLoS ONE” SK2 channels help control sensory signals in rat muscle spindles and hair follicles.
16 citations
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January 2018 in “International journal of trichology” Genetics and nutritional deficiencies are key factors in premature graying of hair.
16 citations
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March 2013 in “Clinica Chimica Acta” Cortisol and cortisone release from hair increases in steps over time during incubation.
16 citations
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November 2009 in “Experimental dermatology” Ionizing radiation damages human hair follicles by stopping cell growth, causing cell death, disrupting color, and increasing stress and damage markers.