January 2025 in “Indian Journal of Dermatopathology and Diagnostic Dermatology” Nevus sebaceous is identified by unique skin changes, including thickened skin, fewer hair follicles, and many sebaceous glands.
2 citations
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June 1980 in “International Journal of Dermatology” Scalp biopsies are important for diagnosing hair loss conditions.
2 citations
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January 2019 in “Dermatology Review” Pigmented vellus and upright regrowing hairs predict hair regrowth in severe alopecia.
58 citations
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November 1969 in “British Journal of Dermatology” Netherton's disease causes multiple hair defects.
26 citations
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May 1988 in “Pediatric dermatology” Eruptive vellus hair cysts can run in families.
21 citations
,
January 2009 in “Indian journal of dermatology, venereology, and leprology” A new method can better diagnose eruptive vellus hair cysts.
December 2025 in “ILDS-DEV” 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.
73 citations
,
July 1956 in “Journal of Investigative Dermatology” Adult human skin can grow new fine hair follicles after a deep exfoliation treatment.
13 citations
,
November 2018 in “Annals of Plastic Surgery” Nonshaven follicular unit extraction is a good hair transplant option that doesn't require shaving and can transplant up to 3000 grafts daily.
13 citations
,
January 2001 in “Pediatric dermatology” A dark-haired Chinese girl had hair that looked banded under certain light but was normal under a microscope.
9 citations
,
January 1998 in “Studia Anglica Posnaniensia: international review of English Studies” Wound-induced hair growth may help study regeneration and aging, but it's unclear if this ability decreases with age.
2 citations
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March 2009 in “Hair transplant forum international” Men generally have a certain thickness of hair at their hairline.
1 citations
,
April 1998 in “PubMed” Nexin 1 helps control hair growth in young rats.
211 citations
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April 2013 in “Development” More dermal papilla cells in hair follicles lead to larger, healthier hair, while fewer cells cause hair thinning and loss.
January 2001 in “Nishi Nihon hifuka” The document concluded that there are differences in hair growth cycles and skin cell turnover rates, which can be measured with electronic equipment.
January 2026 in “Cosmoderma” A 9-year-old girl has a rare hair disorder causing beaded, sparse hair.
August 2010 in “Journal of The American Academy of Dermatology” The document explains the diagnosis and characteristics of woolly hair nevus and alopecia neoplastica.
37 citations
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June 2000 in “Experimental dermatology” The Lanceolate hair-J mutation in mice mimics human hair disorders like Netherton's syndrome.
March 2009 in “Medical & surgical dermatology” Women with androgenetic alopecia have fewer terminal hairs, phenol in nail surgery is safe, and a new hair transplant method is faster and less damaging.
September 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Non-invasive methods can effectively monitor hair growth cycles, aiding hair loss treatment development.
March 2023 in “Human Pathology” Hair follicle counts and ratios are helpful in diagnosing hair loss types, but should be used with other specific features for accurate diagnosis.
January 2000 in “The Mouseion at the JAXlibrary (Jackson Laboratory)” The lanceolate hair-J mutation in mice helps understand human hair disorders like Netherton's syndrome.
Malnourished people have weaker hair that is easier to pluck.
33 citations
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March 2006 in “Seminars in cutaneous medicine and surgery” The document explains how to identify different hair problems using a microscope.
24 citations
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January 2011 in “International Journal of Trichology” Light microscopy is useful for diagnosing different hair disorders.
January 2021 in “International journal of dermatology, venereology and leprosy sciences” Most adult women experiencing hair loss are aged 21-40, with the most common type being female pattern hair loss. Trichoscopy is a useful tool for diagnosing different types of hair loss.
January 2005 in “Chinese Journal of Veterinary” Hairless mice lose hair by 3-4 weeks, develop thicker, folded skin, and show pigmentation differences.
The naked mutation in mice causes hair loss and helps identify keratin genes.
8 citations
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July 2007 in “International Journal of Dermatology” Using 5% topical minoxidil improved and normalized the hair growth in a girl with short anagen hair naevus.