1 citations
,
May 2016 in “Journal of the American Academy of Dermatology” The man likely has tufted folliculitis causing painful, scarring hair loss.
March 2015 in “Zagazig University Medical Journal” Damage to hair follicle stem cells may cause permanent hair loss and scarring in PCA.
January 2026 in “Acta Dermatovenerologica Alpina Pannonica et Adriatica” Primary cicatricial alopecia causes permanent hair loss by destroying hair follicles, and its exact cause is unknown.
16 citations
,
June 2015 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzyme DHHC13 is essential for healthy hair and skin, and its deficiency leads to hair loss and skin problems.
26 citations
,
June 2005 in “British Journal of Dermatology” Calretinin identifies the companion cell layer in human hair follicles.
19 citations
,
January 2015 in “Skin appendage disorders” The report found a new type of hair loss in African-American women that affects more areas of the scalp than previously thought.
20 citations
,
August 2003 in “Clinical and Experimental Dermatology” A new genetic mutation in the hairless gene causes a rare hair loss disorder.
May 2020 in “JOJ Dermatology & Cosmetics” A rare skin condition usually on the face was found on a man's heel.
April 2017 in “Journal of Investigative Dermatology” Early and late matrix progenitors in hair follicles create different cell layers, with early ones forming the companion layer and later ones forming the inner root sheath and hair shaft.
1 citations
,
January 2018 in “International Journal of Trichology” Circle hairs are harmless, spiral-shaped body hairs that don't need medical treatment.
106 citations
,
February 2014 in “eLife” Lanceolate complexes in mouse hair follicles are essential for touch and depend on specific cells for maintenance and regeneration.
September 2023 in “British Journal of Dermatology” Some cases of short anagen hair syndrome are linked to specific genetic variations that are also connected to male pattern baldness.
January 1997 in “Han-guk hyeonmigyeong hakoeji/Applied microscopy” The hair follicle's connection to connective tissue is weaker than the skin's.
19 citations
,
July 2022 in “PNAS Nexus” Similar treatments might work for different types of scarring hair loss.
38 citations
,
July 1998 in “Journal of surgical oncology” A woman with breast cancer developed a rare condition causing excessive fine hair growth on her face and body.
1 citations
,
June 2012 in “Revista Brasileira de Cirurgia Plástica” The procedure is effective for reducing the forehead despite potential for visible scars.
November 2022 in “Journal of Investigative Dermatology” The extract of Silybum marianum, Manganese PCA, and Lespedeza capitata can boost hair growth and extend the growth phase when combined in a serum.
2 citations
,
July 2020 in “Giornale italiano di dermatologia e venereologia” A woman with frontal fibrosing alopecia experienced unusual hair growth after using a specific topical lotion.
18 citations
,
October 2012 in “Dermatologic Clinics” Early diagnosis and aggressive treatment are key for managing rare scalp disorders that cause permanent hair loss.
37 citations
,
June 2000 in “Experimental dermatology” The Lanceolate hair-J mutation in mice mimics human hair disorders like Netherton's syndrome.
June 2001 in “European Journal of Dermatology” A 54-year-old woman experienced progressive hair loss starting in adolescence, leading to sparse scalp hair and almost no eyebrows or eyelashes.
31 citations
,
September 1996 in “Differentiation” The upper dermal sheath can regenerate hair in rats.
January 2026 in “Dermatology Online Journal” CCCA can appear as patchy hair loss in younger men, not just the usual pattern.
55 citations
,
February 2014 in “Journal of Structural Biology” Human hair has a complex, variable structure with a consistent matrix and double-twist pattern.
Hair dysplasias involve various hair disorders causing fragility, breakage, and poor hair adhesion.
December 2025 in “SAS Journal of Medicine” Trichofolliculoma is a rare, benign scalp tumor that can be cured by surgical removal.
1 citations
,
January 2019 in “Dermatology Online Journal” A rare skin condition appeared on a 19-year-old woman's scalp.
40 citations
,
February 1994 in “Journal of Investigative Dermatology” 7 citations
,
January 1992 in “Acta Histochemica” Porcine and human pilosebaceous units are very similar.
January 2016 in “Indian dermatology online journal” Frontal fibrosing alopecia causes hair loss at the front hairline, and no effective treatment exists.