521 citations
,
January 1954 in “Physiological Reviews” Hair growth is cyclic and influenced mainly by local factors.
314 citations
,
April 2010 in “Developmental Cell” β-catenin in the dermal papilla is crucial for normal hair growth and repair.
163 citations
,
November 2003 in “Journal of Investigative Dermatology” Low iron levels may be linked to some types of hair loss in women.
146 citations
,
May 2002 in “The American journal of pathology” Cathepsin L is essential for normal hair growth and development.
124 citations
,
August 1990 in “British Journal of Dermatology” Diffuse alopecia in women may be related to androgens and iron deficiency, and basic hormone and nutrient screening is useful.
91 citations
,
May 2003 in “American Journal of Pathology” Prolactin affects hair growth cycles and can cause early hair follicle regression.
78 citations
,
September 2006 in “International Journal of Cosmetic Science” Dandruff is mainly caused by a scalp reaction to yeast, can worsen hair loss, and antifungal treatments may help.
73 citations
,
January 2013 in “Annals of Dermatology” People with hair loss, especially those with certain types, have lower zinc levels, and zinc supplements might help.
68 citations
,
March 1965 in “The BMJ” Hormones and genetics affect hair growth and patterns, with some changes reversible and others not.
63 citations
,
March 1995 in “International Journal of Dermatology” Some drugs can cause hair loss, and stopping these drugs often leads to hair regrowth.
50 citations
,
August 1999 in “Experimental dermatology” The control system for hair growth cycles is not well understood and needs more research.
48 citations
,
May 1999 in “International Journal of Dermatology” Alopecia areata is an unpredictable autoimmune hair loss condition, treated based on severity, with half of patients regrowing hair within a year without treatment.
40 citations
,
June 2011 in “Journal of biological chemistry/The Journal of biological chemistry” FA2H is essential for normal fur and sebum production in mice.
40 citations
,
August 2006 in “Current Drug Safety” Some drugs can cause hair loss, excessive growth, or color changes, often reversible but sometimes permanent.
39 citations
,
August 2021 in “JAAD International” COVID-19 patients often experience hair loss and scalp pain, which may be related to the severity of their infection and treatment drugs.
33 citations
,
September 1961 in “Archives of Dermatology” Colchicine causes rapid hair loss by damaging hair follicles.
32 citations
,
June 1976 in “JAMA” Crash dieting can cause hair loss due to severe calorie restriction.
30 citations
,
August 1983 in “Pediatric Clinics of North America” Most hair loss in children is caused by a few common conditions, and it's important to diagnose these properly and support the child's mental health.
27 citations
,
September 2012 in “Dermatologic Clinics” The document concludes that using specific tools and tests is essential for identifying the cause of hair loss and deciding on the right treatment.
23 citations
,
January 2021 in “Journal of Dermatological Science” The document concludes that we need more research to understand Telogen Effluvium and find effective treatments.
22 citations
,
October 2021 in “Dermatologic Therapy” COVID-19 may cause temporary hair loss in some people.
20 citations
,
May 2020 in “Experimental Dermatology” Aging scalp skin contributes to hair aging and loss, and more research is needed to develop better hair loss treatments.
20 citations
,
July 2009 in “Journal of Pediatric and Adolescent Gynecology” Quick treatment of hair disorders in teenage girls is important because of the emotional effects.
20 citations
,
February 2004 in “Veterinary dermatology” Dog hair grows back in about 14 weeks after being clipped for surgery, and the season doesn't really affect this growth rate.
19 citations
,
January 2019 in “International Journal of Trichology” Indian dermatologists recommend treating common hair loss with a balanced diet, stress reduction, mild shampoos, and sometimes minoxidil and supplements.
19 citations
,
January 2011 in “Clinics” A young woman with a rare hair loss condition improved with steroid and biotin treatment.
18 citations
,
March 2015 in “Journal of Dermatological Case Reports” Rectangular black granules, solitary yellow dots, and mostly single-hair follicles suggest Loose Anagen Hair Syndrome.
18 citations
,
June 2008 in “Archives of Dermatology” Men typically shed about 10 hairs in 60 seconds, and this amount doesn't increase with age.
17 citations
,
August 2019 in “JAMA Facial Plastic Surgery” Some men lost hair after deoxycholic acid treatment for neck fat, but most saw improvement or resolution.
14 citations
,
May 2013 in “Experimental Dermatology” The modified wash test is better than TrichoScan® for diagnosing hair loss.