41 citations
,
January 2014 in “Annals of Dermatology” Dermoscopic examination helps diagnose different types of hair loss conditions by showing specific patterns.
5 citations
,
March 2009 in “Pediatric Dermatology” The study found that pili bifurcati causes hair to intermittently split into two branches, each with its own outer layer.
36 citations
,
August 2018 in “Dermatologic Clinics” Trichoscopy is a useful tool for diagnosing hair disorders without pulling out hair.
December 2025 in “IP Indian Journal of Clinical and Experimental Dermatology” Hair shaft disorders often indicate genetic or systemic issues and are managed by minimizing damage.
8 citations
,
April 1997 in “Experimental Dermatology” hHbl gene is active in hair shaft cells and some pilomatricomas.
37 citations
,
January 2009 in “The Journal of Dermatology” Hair follicle stem cells can turn into various cell types and help repair nerves.
1 citations
,
September 2016 in “Dermatologic Surgery” New hair loss subtype found, mimics common baldness.
36 citations
,
July 1988 in “Archives of Dermatological Research” Pili annulati is caused by a protein metabolism disorder affecting hair structure.
January 2023 in “Skin appendage disorders” Two Hispanic women developed Plica neuropathica, a condition causing tangled hair, possibly due to hair damage and various risk factors.
16 citations
,
January 1998 in “Dermatology” Androgens may worsen a natural hair resting phase, possibly leading to hair loss.
March 2021 in “CRC Press eBooks” New hair treatment methods are evolving, with microneedling as a promising technique for hair growth.
1 citations
,
February 2013 in “Clinical pediatrics” The baby’s hair loss was due to a rare genetic condition, not treatable by usual methods.
September 2025 in “Wound Repair and Regeneration” Understanding how new hair follicles form after skin injury could help prevent scars.
July 2002 in “Journal of Cosmetic Dermatology” Laser and Eflornithine are more effective for hair removal than traditional methods.
13 citations
,
January 2012 in “International journal of trichology” The study found that hair fragility in Pili annulati may be caused by cavities and damage within the hair shafts.
25 citations
,
March 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” Vitamin D Receptor is needed for hair growth in mice but not for skin stem cell maintenance.
117 citations
,
August 2005 in “Ultramicroscopy” Human hair's strength and flexibility vary by ethnicity, damage, and treatment.
5 citations
,
October 2013 in “Veterinary Clinics of North America: Equine Practice” Some horses lose hair without inflammation or itching due to various conditions, and while mainly a cosmetic issue, diagnosis requires examination and biopsies, and breeding is not advised if it's hereditary.
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.
9 citations
,
September 2014 in “British journal of dermatology/British journal of dermatology, Supplement” Pseudofolliculitis cutis causes painful skin bumps and needs proper shaving and treatments to manage.
4 citations
,
August 2013 in “Pediatric dermatology” Hair casts can be treated with physical removal and special shampoos.
5 citations
,
July 2009 in “Clinical and experimental dermatology”
September 2017 in “Journal of Investigative Dermatology” Aging causes sweat glands to shrink, leading to skin issues, and blue light can help hair grow.
17 citations
,
December 2010 in “Journal of Investigative Dermatology” Flightless I protein affects hair growth, with low levels delaying it and high levels increasing hair length in rodents.
2 citations
,
January 2020 in “International Journal of Cosmetic Science” Niacinamide does not promote hair growth.
July 2025 in “Pigment International” Follicular vitiligo causes hair to gray without skin color loss.
9 citations
,
January 1989 in “Journal of Small Animal Practice” Abyssinian cats can have a hair abnormality that makes their coat look rough and dull.
106 citations
,
April 1986 in “British Journal of Dermatology” Dermal papilla cells from human hair follicles form unique structures and don't live as long as other skin cells in lab conditions.
38 citations
,
July 1993 in “Journal of Investigative Dermatology”
45 citations
,
May 2003 in “Journal of Cell Science” α3β1-integrin is crucial for maintaining normal hair follicle shape and function but not needed for the development of the surrounding skin.