9 citations
,
November 2009 in “Journal of the European Academy of Dermatology and Venereology” Cutting scalp biopsies in consecutive slices improves diagnosis of hair loss conditions.
4 citations
,
May 1989 in “Journal of the Royal Society of Medicine” Crohn's disease can cause hair loss before other symptoms appear.
July 2013 in “Indian Journal of Dentistry” A 46-year-old man showed symptoms of a rare condition usually seen in postmenopausal women, highlighting the need for dentist-dermatologist collaboration.
9 citations
,
May 2021 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Topical minoxidil may help treat a rare genetic hair condition with no fully effective treatments yet.
July 2024 in “Journal of Investigative Dermatology” Linalool in fragrances may harm hair follicles and contribute to hair loss.
2 citations
,
December 2019 in “Leprosy Review” A woman's hair loss and skin discoloration were found to be caused by a rare case of leprosy on the scalp, not alopecia-vitiligo overlap.
January 2016 in “Journal of The American Academy of Dermatology” The woman has a type of scarring hair loss with red bumps around hair follicles.
27 citations
,
June 2020 in “Genes” Lykoi cats' unique sparse hair is linked to specific genetic variants in the Hairless gene.
RNase L hinders hair follicle regeneration by altering immune signals.
10 citations
,
November 2016 in “International Journal of Cosmetic Science” A tough membrane between the outer and inner layers of human hair protects it from damage.
October 2025 in “Journal of Investigative Dermatology” Hair follicle dermal stem cells help control hair growth timing by regulating signals at the hair germ–dermal papilla interface.
3 citations
,
August 2019 in “International Journal of Dermatology” Dermoscopy is useful for diagnosing lichen planopilaris and certain features may relate to disease duration, age, and gender.
2 citations
,
January 2000 Lasers are effective for hair removal, especially for conditions like excessive hair growth.
A genetic variant in the KRT71 gene may cause loose anagen hair and wooly hair, and symptoms might improve with age.
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.
February 2024 in “Digital Library of Theses and Dissertations (Universidade de São Paulo)” Argan, avocado, and coconut oils are absorbed into hair, improving hydration and protection.
10 citations
,
August 2021 in “Cosmetics” The best shampoo formula used 1% high-weight hyaluronic acid, 10% acidic sophorolipid, and 1% salt for effective hair conditioning and cleansing without sulfates or silicones.
Treatment improved symptoms in a woman with HAIR-AN syndrome.
September 2020 in “Hair transplant forum international” The document's conclusion cannot be determined.
May 2020 in “Hair transplant forum international” The document's conclusion cannot be determined.
27 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology”
February 2022 in “CRC Press eBooks” Hair disorders include hair loss, excessive hair growth, and ingrown hairs, with various treatments available depending on the cause.
January 2024 in “Archives of pathology & laboratory medicine” New findings may help diagnose and understand scarring alopecia better.
37 citations
,
January 1997 in “Journal of Pharmaceutical Sciences” Hairless rats absorb substances through their skin more easily than hairy rats.
42 citations
,
January 2011 in “Journal of Biomedical Optics” Infrared and Raman imaging can non-destructively analyze hair structure and help diagnose hair conditions.
13 citations
,
March 2020 in “Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy” Alopecic hair has more irregular structures and chemical changes than normal hair, reducing its strength.
11 citations
,
February 2011 in “The Journal of Dermatology” Mutations in the hairless gene cause a rare form of permanent hair loss.
August 2016 in “Journal of the Portuguese Society of Dermatology and Venereology” Two women with darker skin had both frontal hair thinning and skin discoloration.
126 citations
,
October 1998 in “Experimental Dermatology” The hr gene is crucial for skin and hair health, with mutations causing hair disorders.