September 2016 in “Journal of Dermatological Science” A gene mutation worsens skin irritation in mice due to a lack of certain fats.
28 citations
,
January 1985 in “Journal of the American Academy of Dermatology” A girl with citrullinemia developed pili torti, suggesting a link between the hair condition and the metabolic disorder.
11 citations
,
July 2004 in “International Journal of Cosmetic Science” The conclusion is that a new method to measure hair shine was confirmed to match people's visual assessments.
118 citations
,
May 2015 in “European journal of pharmaceutics and biopharmaceutics” The hydrogel with a 1:3 ratio of hydroxyethyl cellulose to hyaluronic acid is effective for delivering drugs through the skin to treat acne.
178 citations
,
October 2001 in “Genes & Development” The mutated hairless gene causes hair loss by acting as a new type of corepressor affecting thyroid hormone receptors.
April 2025 in “Biomacromolecules” Hyaluronic acid microneedles with herbal extracts may help regrow hair.
1 citations
,
July 2023 in “Cureus” A rare hair disorder with multiple hairs from one follicle was found on a patient's abdomen.
July 1998 in “Annals of saudi medicine/Annals of Saudi medicine” A misdiagnosed case of HAIR-AN syndrome led to unnecessary surgeries and highlighted the importance of correct diagnosis and treatment.
2 citations
,
June 2010 in “Medicina de Familia SEMERGEN” The girl's "dandruff" was actually harmless hair casts, not a hygiene issue.
29 citations
,
August 1999 in “Journal of Investigative Dermatology” New mutations in hair keratin genes cause the rare hair disorder monilethrix.
December 2025 in “Frontiers in Medicine” ARWH is a rare hair disorder with no cure, but potential treatments include minoxidil and other therapies.
10 citations
,
November 2008 in “Veterinary Dermatology” The mouse hairy ears mutation causes longer ear hair due to changes in gene expression.
15 citations
,
December 2014 in “PLoS ONE” A mutation in the iRhom2 gene causes hairless mice due to abnormal hair follicle development.
April 2026 in “International Journal of Biological Macromolecules” May 2025 in “International Journal of Trichology” Hair Heat Disease is caused by wet, oily hair and friction in hot, humid conditions.
January 2022 in “The Pan African medical journal” Hypertrichosis causes excessive hair growth and needs psychological support due to its impact on self-esteem.
3 citations
,
March 2016 in “Experimental Dermatology” A mutation in the hairless gene speeds up severe itchy skin in mice on a special diet.
16 citations
,
January 2010 in “Springer eBooks” Hair dysplasias involve various hair disorders causing fragility, breakage, and poor hair adhesion.
17 citations
,
March 2012 in “Journal of biological chemistry/The Journal of biological chemistry” Hairless protein affects hair follicle structure by regulating the Dlx3 gene.
114 citations
,
May 2001 in “Development” Overexpression of Hoxc13 in hair cells causes hair loss and skin issues.
202 citations
,
August 2017 in “Nature cell biology” Lactate production is important for activating hair growth stem cells.
April 2026 in “Journal of the Korean Society of Cosmetology” Limosilactobacillus reuteri from honeybees may promote hair growth by activating a specific cell pathway.
April 2016 in “Journal of Investigative Dermatology” Lithocholic acid helps hair growth and regeneration in alopecia by activating vitamin D receptors.
February 2026 in “International Journal of Homoeopathic Sciences” Plica Polonica is a rare hair disorder causing severe matting, managed by detangling or cutting, and prevented with regular hair care.
88 citations
,
March 2004 in “Journal of Investigative Dermatology”
2 citations
,
April 2018 in “Pediatric dermatology” Elaborate princess hairstyles at a theme park caused hair loss and scalp damage in young girls.
June 2026 in “Scientific Reports” Hypericin and berberine may help hair growth by activating oxytocin signals.
30 citations
,
October 2021 in “Scientific Reports” Inhibiting glycogen metabolism can promote hair growth.
January 2019 in “Analytical Science and Technology” About 21% of tested hair loss supplements contained illegal synthetic drugs.