49 citations
,
March 2004 in “Journal of Investigative Dermatology” The hHa7 gene is regulated by androgens in certain body hair, not scalp hair.
October 2017 in “Journal of Investigative Dermatology” Pemphigus vulgaris involves specific immune cells and B cells that produce antibodies causing skin blisters.
13 citations
,
November 1985 in “International Journal of Dermatology” The study found clear differences in lesion distribution and microscopic features among trichostasis spinulosa, keratosis pilaris, and eruptive vellus hair cysts.
199 citations
,
April 2010 in “Nature” A gene called APCDD1, which controls hair growth, is found to be faulty in a type of hair loss called hereditary hypotrichosis simplex.
4 citations
,
January 2011 in “Journal of UOEH” Autoimmune hair loss may be linked to increased Th1 and Th17 cells and decreased Th2 cells.
14 citations
,
June 1989 in “Journal of dermatology” Three siblings had both Vohwinkel's disease and congenital alopecia, with no effective treatment.
45 citations
,
December 2007 in “The FASEB journal” There are two types of stem cells in rodent hair follicles, each with different keratin proteins.
The study concluded that hirsutism is most common in women aged 14 to 48, often caused by PCOS, and can be effectively treated with Nd YAG laser and IPL.
November 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Skin organoids with NCSTN mutation show changes in hair follicle development and higher inflammation, key features of Hidradenitis Suppurativa.
28 citations
,
March 2000 in “Obstetrics and gynecology clinics of North America” Hirsutism in teen girls is common, usually harmless, but can sometimes signal serious issues and is treatable.
11 citations
,
February 2008 in “British journal of nursing” Idiopathic hirsutism causes excessive hair growth in women, can be treated with medication and hair removal, but cannot be fully reversed.
30 citations
,
January 1999 in “Journal of Cutaneous Pathology” Spiny keratoderma may be ectopic hair formation on palms and soles.
2 citations
,
March 2025 in “Archives of Dermatological Research” HEV light can harm or help skin and scalp, so safe exposure guidelines are needed.
88 citations
,
March 2004 in “Journal of Investigative Dermatology”
9 citations
,
August 2013 in “PLOS ONE” Genetic variants at 20p11 increase baldness risk in Chinese Han people.
April 2021 in “Journal of Investigative Dermatology” IL-15 helps protect hair follicles from immune attacks and encourages hair growth.
September 2020 in “Oral surgery, oral medicine, oral pathology and oral radiology” The report shows that a rare benign tumor was successfully removed from inside the mouth to avoid scarring on the face.
1 citations
,
March 2013 in “Journal of Dermatological Case Reports” A rare skin condition affected only the facial hair of a 46-year-old man.
9 citations
,
May 2013 in “JAMA Dermatology” Sunlight exposure improved a patient's skin condition, and there may be a link between a certain disease and skin growths; a leukemia treatment caused changes in hair color and growth.
4 citations
,
August 2017 in “Journal of cutaneous pathology” An 8-year-old girl had a rare, benign skin tumor on her forehead.
78 citations
,
November 2005 in “Endocrinology” Hairless protein can block vitamin D activation in skin cells.
Melatonin may protect hair follicle stem cells from damage caused by chemotherapy.
January 2009 in “China Practical Medicine” Certain genes help dermal papillae cells in hair follicles grow and group together.
October 2023 in “Research Review” Some skin tumors from hair follicles and glands can be linked to genetic syndromes and may be benign or malignant.
July 2022 in “Journal of Investigative Dermatology” January 2014 in “eScholarship (California Digital Library)” Lrig1 and Lgr6 stem cells help maintain hair follicles and influence skin cancer development.
January 2026 in “Contemporary Clinical Dentistry” VKHD can include rare oral symptoms like discolored teeth.
April 2018 in “Journal of Investigative Dermatology” Higher levels of nidogen1 and type IV collagen are found in basal cell carcinoma compared to normal skin.
32 citations
,
April 1994 in “Journal of the American Academy of Dermatology” High androgen levels and genetic factors likely cause Becker's nevus and related symptoms.