35 citations
,
September 2003 in “Archives of dermatology” Tiger tail bands in hair are caused by wavy hair fibers with melanin, unlike straight fibers in normal hair.
December 2025 in “ILDS-DEV”
10 citations
,
January 2013 in “International Journal of Trichology” More vellus hairs in frontal scalp indicate early female pattern hair loss.
October 1999 in “Inpharma weekly”
143 citations
,
October 2008 in “Journal of The American Academy of Dermatology” Comma hairs are a specific sign of tinea capitis when viewed with videodermatoscopy.
July 2025 in “Frontiers in Medicine” Mutations in the LIPH gene cause woolly hair in a child.
7 citations
,
January 2012 in “International Journal of Trichology” A man with Woolly Hair Syndrome had very curly, fragile hair, and doctors used a special scalp examination to diagnose him without invasive tests.
January 2022 in “SSRN Electronic Journal” Mouse hair follicles age, causing more white hairs due to fewer pigment stem cells.
141 citations
,
June 2002 in “Philosophical Transactions of the Royal Society B Biological Sciences” The study revealed how specific genes and proteins control root hair growth in plants.
4 citations
,
October 2018 in “Cell Stem Cell” Hox genes control hair growth patterns in mammals by regulating stem cell activity in the skin.
6 citations
,
March 1982 in “Clinical and Experimental Dermatology” The document says that hair loss in women is often due to androgenic alopecia, similar to male baldness, and that hirsutism is treated with hormonal and cosmetic methods.
A genetic variant in the KRT71 gene may cause loose anagen hair and wooly hair, and symptoms might improve with age.
15 citations
,
January 1988 in “Drugs” The document concludes that treatments for female hair loss and excessive hair growth are temporary and not well-studied.
August 2010 in “Journal of The American Academy of Dermatology” The document explains the diagnosis and characteristics of woolly hair nevus and alopecia neoplastica.
2 citations
,
January 2022 in “Clinical, Cosmetic and Investigational Dermatology” The refined wash test is a reliable way to measure daily hair loss and can tell the difference between different types of hair loss.
31 citations
,
December 2010 in “Journal of the American Academy of Dermatology” Loose anagen hair syndrome is caused by structural abnormalities in the hair follicle's inner root sheath.
1 citations
,
February 2025 in “Journal of the American Academy of Dermatology” Most men prefer keeping their eyebrows over scalp hair.
1 citations
,
January 2025 in “International Journal of Cosmetic Science” Age-related hair curvature increases due to internal structural changes from grooming.
3 citations
,
April 2015 in “American journal of biomedical sciences” Androgens play a key role in hair growth and disorders like baldness and excessive hairiness.
20 citations
,
October 2005 in “Archives of Dermatological Research” 9 citations
,
July 1982 in “International Journal of Dermatology” A 31-year-old man's hair turned white suddenly, likely due to alopecia areata.
1 citations
,
April 2016 in “Journal of The American Academy of Dermatology” The study concludes that Loose Anagen Hair Syndrome is a benign condition that usually improves with age but can be hard to diagnose and stressful for the family.
27 citations
,
August 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Researchers found new genes involved in hair growth, which could help develop new hair treatments.
8 citations
,
October 2011 in “Anthropologischer Anzeiger” Pubic hair is thicker than axillary and scalp hair, useful for forensic identification.
25 citations
,
October 1962 in “Journal of Ultrastructure Research” The hair follicle structure is more complex than thought, with new findings on protein formation.
March 2022 in “Journal of cosmetic dermatology” Botanical extracts can help treat hair loss in people with certain genetic conditions.
July 2025 in “InnovAiT Education and inspiration for general practice”
February 2003 in “Journal of Cutaneous Medicine and Surgery” Fine hairs improve male pattern baldness treatment, alopecia areata causes remain unknown, and hair can recover from dye damage over time.
September 2014 in “Journal of the American Academy of Dermatology” The girl likely has Loose anagen hair syndrome, which may improve on its own or with minoxidil.