32 citations
,
March 2016 in “American Journal of Physical Anthropology” African hair is curled, Asian hair is thick, European hair is lighter, and chemical methods help identify hair color differences.
January 2016 in “Belarusian State Pedagogical University repository (Belarusian State Pedagogical University)” A 6-group geometric classification of human scalp hair is more reliable and objective for testing than an 8-group system.
86 citations
,
October 2013 in “Dermatologic Clinics” Trichoscopy is a useful non-invasive method for diagnosing different hair loss conditions.
Understanding hair follicle communication can help treat hair loss.
June 2004 in “Dermatologic Surgery” Dr. Walter P. Unger suggests that copying a person's natural hair direction and angle during transplants leads to a more natural and fuller appearance.
158 citations
,
December 2002 in “Development” Msx2-deficient mice experience irregular hair growth and loss due to disrupted hair cycle phases.
September 2010 in “Advances in Dermatology and Allergology/Postępy Dermatologii i Alergologii” TrichoScan is reliable for counting and measuring hair density but may not accurately assess hair types in women with hair loss.
33 citations
,
June 2016 in “Pediatric Dermatology” Some congenital hair disorders improve in childhood or with treatments like minoxidil and retinoids, while others like Netherton syndrome and trichothiodystrophy have a poor prognosis.
4 citations
,
January 2015 in “Sen'i Gakkaishi” Hair and wool strength is affected by the number and type of bonds in their protein structures, with hair having more protein aggregates than wool.
January 2022 in “Clinical Cases in Dermatology” Hypothyroidism can cause hair loss, which is often reversible with treatment.
May 2026 in “Applied Spectroscopy” Humidity affects hair structure changes during stretching.
1 citations
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March 2022 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Trichoscopy helps tell apart hair loss due to alopecia areata from trichotillomania in eyebrows.
67 citations
,
July 1985 in “British journal of dermatology/British journal of dermatology, Supplement” Men's thigh hair grows longer and has a longer growth cycle than women's, but arm hair growth is similar between genders.
1 citations
,
August 1988 in “Journal of The American Academy of Dermatology” Hair transplantation between identical twins can successfully treat severe, nonprogressive hair loss due to follicular aplasia.
41 citations
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July 2002 in “Clinical and Experimental Dermatology” Effective hair loss assessment requires a mix of precise measurement methods.
1 citations
,
November 2023 in “Biomedicines” Menopause can cause hair thinning and texture changes due to hormonal and metabolic shifts.
2 citations
,
May 2018 in “Journal of The American Academy of Dermatology” Hypothyroidism patients with hair loss typically have thinning hair, smaller hair follicles, and normal hair shedding.
36 citations
,
August 2018 in “Dermatologic Clinics” Trichoscopy is a useful tool for diagnosing hair disorders without pulling out hair.
1 citations
,
November 2022 in “DOAJ (DOAJ: Directory of Open Access Journals)” Male and female human hairs have different microscopic structures that can help in forensic analysis.
1 citations
,
May 2013 in “PubMed” The document concludes that female pattern baldness involves hair thinning, is classified differently than in men, and is assessed using the Ludwig classification. It also explains the hair growth cycle stages.
Hair and scalp camouflage techniques help people with hair loss feel more confident by making hair look denser.
Genetic factors might cause fibrosing alopecia linked to hair shaft abnormalities.
16 citations
,
October 2012 in “British Journal of Dermatology” Chemotherapy can cause significant hair thinning and changes in hair texture, while tamoxifen has a smaller effect.
8 citations
,
May 2005 in “The American journal of dermatopathology/American journal of dermatopathology” The hair defect is due to abnormal inner root sheath keratinization.
3 citations
,
January 1994 in “Journal of Society of Cosmetic Chemists of Japan” Hair grows slower and thinner with age, but a test tonic improved growth in alopecia subjects.
14 citations
,
June 2016 in “Pediatric Dermatology” Some congenital hair disorders improve with age and can be managed with treatments like minoxidil, retinoids, supplements, and gentle hair care, but there's no cure.
16 citations
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October 1992 in “Journal of cutaneous pathology” Bubble hair deformity may be caused by hair shaft trauma and can improve with gentle hair care.
September 2022 in “International Journal of Trichology” Trichoscopic measurements help determine the severity of female pattern hair loss.